PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 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: 4,002,816 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 26 Mar 2020

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.

Other System Modifications

This Trojan Spy adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
Name = "SilentDust"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
Firewall = ""

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
Defender = ""

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
Servers = "\x00\x00\x00"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
UUID = ""

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
Command = "\x00\x00\x00\x00\x00\x00\x00\x00"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
FirstInstallDate = "y\x06\xd8]\x00\x00\x00\x00"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
ServiceVersion = ""

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
SC = "\x00\x00\x00\x00\x00\x00\x00\x00"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
PGDSE = "\x00\x00\x00\x00\x00\x00\x00\x00"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
VC = "0"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
ServersVersion = "\x94\x00\x00\x00\x00\x00\x00\x00"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
CDN = "https://{BLOCKED}ues.tech"

HKEY_CURRENT_USER\Software\Microsoft\
TestApp
PP = "0"

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.850

Step 1

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 2

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_CURRENT_USER\Software\Microsoft\TestApp
    • Name = "SilentDust"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • Firewall = ""
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • Defender = ""
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • Servers = "\x00\x00\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • UUID = ""
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • Command = "\x00\x00\x00\x00\x00\x00\x00\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • FirstInstallDate = "y\x06\xd8]\x00\x00\x00\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • ServiceVersion = ""
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • SC = "\x00\x00\x00\x00\x00\x00\x00\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • PGDSE = "\x00\x00\x00\x00\x00\x00\x00\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • VC = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • ServersVersion = "\x94\x00\x00\x00\x00\x00\x00\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • CDN = "https://{BLOCKED}ues.tech"
  • In HKEY_CURRENT_USER\Software\Microsoft\TestApp
    • PP = "0"

Step 3

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.GLUPTEBA.G. 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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