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TrojanSpy.Win32.EMOTET.YXCCQZ

March 21, 2022
 ALIASES:

Trojan:Win32/Emotet.CE!MTB(MICROSOFT), Emotet-FSQ!3A569FA0901E(NAI)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

753,664 bytes

File Type:

DLL

Memory Resident:

No

Arrival Details

This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan Spy drops the following copies of itself into the affected system and executes them:

  • If executed without administrative rights:
    • %AppDataLocal%\{random characters}\{random characters}.{3 random characters}
  • If executed with administrative rights:
    • %System%\{random characters}\{random characters}.{3 random characters}

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

It adds the following processes:

  • If executed without administrative rights:
    • %System%\regsvr32.exe /s "%System%\{Random characters}\{Random characters}.{3 random characters}
  • If executed with administrative rights:
    • %System%\regsvr32.exe /s "%AppDataLocal%\{Random characters}\{Random characters}.{3 random characters}

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It creates the following folders:

  • If executed without administrative rights:
    • %AppDataLocal%\{random characters}
  • If executed with administrative rights:
    • %System%\{random characters}

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Other System Modifications

This Trojan Spy adds the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\{random characters}.{3 random characters}
ImagePath = %System%\regsvr32.exe " %System%\{random characters}.{3 random characters}",{random characters}

Other Details

This Trojan Spy adds the following registry keys:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services
{random characters}.{3 random characters} =

It connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.25.250:8080
  • http://{BLOCKED}.{BLOCKED}.124.41:7080
  • http://{BLOCKED}.{BLOCKED}.251.50:443
  • http://{BLOCKED}.{BLOCKED}.226.45:443
  • http://{BLOCKED}.{BLOCKED}.193.249:8080
  • http://{BLOCKED}.{BLOCKED}.84.195:8080
  • http://{BLOCKED}.{BLOCKED}.135.203:7080
  • http://{BLOCKED}.{BLOCKED}.158.56:8080
  • http://{BLOCKED}.{BLOCKED}.98.206:8080
  • http://{BLOCKED}.{BLOCKED}.17.99:8080
  • http://{BLOCKED}.{BLOCKED}.226.206:443
  • http://{BLOCKED}.{BLOCKED}.40.196:8080
  • http://{BLOCKED}.{BLOCKED}.152.127:8080
  • http://{BLOCKED}.{BLOCKED}.59.82:8080
  • http://{BLOCKED}.{BLOCKED}.225.142:8080
  • http://{BLOCKED}.{BLOCKED}.117.186:8080
  • http://{BLOCKED}.{BLOCKED}.201.15:8080
  • http://{BLOCKED}.{BLOCKED}.116.246:8080
  • http://{BLOCKED}.{BLOCKED}.212.216:8080
  • http://{BLOCKED}.{BLOCKED}.98.99:8080
  • http://{BLOCKED}.{BLOCKED}.20.25:443
  • http://{BLOCKED}.{BLOCKED}.0.91:8080
  • http://{BLOCKED}.{BLOCKED}.109.124:443
  • http://{BLOCKED}.{BLOCKED}.112.196:8080
  • http://{BLOCKED}.{BLOCKED}.30.83:443
  • http://{BLOCKED}.{BLOCKED}.128.118:443
  • http://{BLOCKED}.{BLOCKED}.88.10:8080
  • http://{BLOCKED}.{BLOCKED}.133.20:443
  • http://{BLOCKED}.{BLOCKED}.106.96:8080
  • http://{BLOCKED}.{BLOCKED}.115.99:8080
  • http://{BLOCKED}.{BLOCKED}.188.93:443
  • http://{BLOCKED}.{BLOCKED}.232.124:443
  • http://{BLOCKED}.{BLOCKED}.222.101:443
  • http://{BLOCKED}.{BLOCKED}.114.231:8080
  • http://{BLOCKED}.{BLOCKED}.221.247:8080
  • http://{BLOCKED}.{BLOCKED}.46.182:443
  • http://{BLOCKED}.{BLOCKED}.82.211:8080
  • http://{BLOCKED}.{BLOCKED}.7.5:8080
  • http://{BLOCKED}.{BLOCKED}.201.2:443
  • http://{BLOCKED}.{BLOCKED}.115.35:8080
  • http://{BLOCKED}.{BLOCKED}.212.130:7080
  • http://{BLOCKED}.{BLOCKED}.222.11:443
  • http://{BLOCKED}.{BLOCKED}.150.244:8080
  • http://{BLOCKED}.{BLOCKED}.42.236:80
  • http://{BLOCKED}.{BLOCKED}.151.129:8080
  • http://{BLOCKED}.{BLOCKED}.140.238:7080
  • http://{BLOCKED}.{BLOCKED}.54.215:443
  • http://{BLOCKED}.{BLOCKED}.72.26:8080
  • http://{BLOCKED}.{BLOCKED}.147.66:8080
  • http://{BLOCKED}.{BLOCKED}.111.200:7080
  • http://{BLOCKED}.{BLOCKED}.146.25:7080
  • http://{BLOCKED}.{BLOCKED}.201.4:443
  • http://{BLOCKED}.{BLOCKED}.99.3:8080
  • http://{BLOCKED}.{BLOCKED}.24.231:80
  • http://{BLOCKED}.{BLOCKED}.2.232:8080
  • http://{BLOCKED}.{BLOCKED}.1.145:443

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

17.447.00

FIRST VSAPI PATTERN DATE:

17 Mar 2022

VSAPI OPR PATTERN File:

17.448.00

VSAPI OPR PATTERN Date:

18 Mar 2022

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     
    • Ransom.Win32.TRX.XXPE50FFF054

Step 2

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 3

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

 
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\{random characters}.{3 random characters}
    • ImagePath = %System%\regsvr32.exe %System%\{random characters}.{3 random characters},{random characters}

Step 5

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services
    • {random characters}.{3 random characters}

Step 6

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result. DATA_GENERIC
  • Once located, select the file then press SHIFT+DELETE to delete it.
  • Repeat the said steps for all files listed.
    *Note: Read the following Microsoft page if these steps do not work on Windows 7 and Server 2008 (R2).

    • Step 7

    Search and delete these folders

    [ Learn More ]
    Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result. DATA_GENERIC
  • Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
  • Repeat steps 2-3 for the remaining folders:
      DATA_GENERIC
    *Note: Read the following Microsoft page if these steps do not work on Windows 7 and Server 2008 (R2).

    • Step 8

    Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.EMOTET.YXCCQZ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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