TrojanSpy.Win32.ICEDID.B

March 16, 2020
 Analysis by: Kennard Yap
 ALIASES:

Trojan:Win32/IcedId!rfn (MICROSOFT); Trojan-Banker.IcedID (IKARUS)

 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

Infection Channel:

Downloaded from the Internet, Dropped by other malware

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.

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size:

124,416 bytes

File Type:

EXE

Memory Resident:

Yes

Payload:

Drops files, Connects to URLs/IPs

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:

  • %All Users Profile%\{GUID}\{random characters}.exe

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

It creates the following folders:

  • %All Users Profile%\{GUID}

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

It injects itself into the following processes as part of its memory residency routine:

  • %System%\svchost.exe

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Other Details

This Trojan Spy connects to the following website to send and receive information:

  • {BLOCKED}ne.com/f={username}&h={computername}&b={workgroup}&m={admin or domain controller}&j={CPU ID}&s={OS version}
  • {BLOCKED}ne.com/data100.php?g={command ID}c={customer ID(Bot ID + Unique ID)}p=r=i=0n=0o=0k=4027a=1&l=
  • {BLOCKED}over.com/f={username}&h={computername}&b={workgroup}&m={admin or domain controller}&j={CPU ID}&s={OS version}
  • {BLOCKED}over.com/data100.php?g={command ID}c={customer ID(Bot ID + Unique ID)}p=r=i=0n=0o=0k=4027a=1&l=
  • {BLOCKED}a.com/f={username}&h={computername}&b={workgroup}&m={admin or domain controller}&j={CPU ID}&s={OS version}
  • {BLOCKED}a.com/data100.php?g={command ID}c={customer ID(Bot ID + Unique ID)}p=r=i=0n=0o=0k=4027a=1&l=
  • {BLOCKED}y.com/f={username}&h={computername}&b={workgroup}&m={admin or domain controller}&j={CPU ID}&s={OS version}
  • {BLOCKED}y.com/data100.php?g={command ID}c={customer ID(Bot ID + Unique ID)}p=r=i=0n=0o=0k=4027a=1&l=
  • {BLOCKED}ure.space/f={username}&h={computername}&b={workgroup}&m={admin or domain controller}&j={CPU ID}&s={OS version}
  • l{BLOCKED}e.space/{BLOCKED}0.php?g={command ID}c={customer ID(Bot ID + Unique ID)}p=r=i=0n=0o=0k=4027a=1&l=
  • {BLOCKED}l.site/f={username}&h={computername}&b={workgroup}&m={admin or domain controller}&j={CPU ID}&s={OS version}
  • {BLOCKED}l.site/data100.php?g={command ID}c={customer ID(Bot ID + Unique ID)}p=r=i=0n=0o=0k=4027a=1&l=
  • Where {CPU ID} can be any of the following:
    • < 0x04 ? not VM
    • 0x04 - 0x07 ? VMWare
    • 0x07 - 0x0B ? XenVM
    • 0x10 - 0x13 ? MicroVM
    • 0x20 - 0x23 ? KVMK
    • 0x80 - 0x83 ? Vbox

It adds the following scheduled tasks:

  • Task Name = {GUID}
    • Trigger = At log on
    • Action = Start a program
    • Details = %All Users Profile%\{GUID}\{random characters}.exe

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.670.01

FIRST VSAPI PATTERN DATE:

05 Dec 2018

VSAPI OPR PATTERN File:

14.671.00

VSAPI OPR PATTERN Date:

06 Dec 2018

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:

     
    • Troj.Win32.TRX.XXPE50FFF030

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

Restart in Safe Mode

[ Learn More ]

Step 5

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.
  • %All Users Profile%\{GUID}\{random characters}.exe

Step 6

Search and delete this folder

[ 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.
  • %All Users Profile%\{GUID}

Step 7

Delete the Scheduled Tasks added by this malware/grayware

[ Learn More ]

To delete the added Scheduled Task file:

For Windows 7, Windows Server 2008 (R2), Windows 8, Windows 8.1, Windows 10, and Windows Server 2012 (R2):

  1. Open the Windows Task Scheduler. To do this:
    • On Windows 7, and Windows Server 2008 (R2), click Start, type taskschd.msc in the Search input field, then press Enter.
    • On Windows 8, Windows 8.1, 10 and Windows Server 2012, right-click on the lower left corner of the screen, click Run, type taskschd.msc, then press Enter.
  2. In the left panel of the Task Scheduler Window, click Task Scheduler Library.
  3. In the upper-middle panel, click a Task.
  4. In the lower middle panel, click the Actions tab
  5. Check if the malware path and file name exists in the task. To do this, check the value in the Details column under the Actions tab.
  6. If found, select the task and press DELETE and click Yes to delete the task.
  7. Repeat the steps above for the remaining tasks.

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.ICEDID.B. 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 this Knowledge Base page for more information.


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