Analysis

  • max time kernel
    146s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 10:46

General

  • Target

    LabyMod4Crt.exe

  • Size

    62KB

  • MD5

    e1135bf291dffcc3b904d29aabedf004

  • SHA1

    2fc070053234cf8fc69361e8b8c8aa52c30c612f

  • SHA256

    ca6becc3a5e5b7fa151258c05c4b3a36bbfd470d347f8da494472988b4f7bb71

  • SHA512

    feb7819ffd99e068dad0ff9ac8cf8779e6a876c0f5e4926ccadc827c24543d74ab5a941e1a6f0078e5aa0011bef7901bc44508f0519afacc9b4e8cb42fbc2440

  • SSDEEP

    1536:8L8ZxognvAhQtNGp1uBQt6buhGyWT6Q9FO2Ef5h:kgnfgp1uBQAbuEfO2s5h

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:23386

cameras-happen.gl.at.ply.gg:23386

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LabyMod4Crt.exe
    "C:\Users\Admin\AppData\Local\Temp\LabyMod4Crt.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\LabyMod4Crt.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'LabyMod4Crt.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2320

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
    Filesize

    7KB

    MD5

    910995c4e4033beabb928ac6887461f8

    SHA1

    ce5b46f06bb6401a06140566de91c33c1f79e8c8

    SHA256

    6009f738ab61876737e253e598c54b492c429fe166df941584a9b69f06b41c7b

    SHA512

    b5ec3eae442f992c3d575f523868fb300bab2078ef491db6046641ff0db05bd5d7364f810123bc239efed958711c697660dcba5013649a37b36519de60a66db7

  • \??\PIPE\srvsvc
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/1752-0-0x000007FEF5253000-0x000007FEF5254000-memory.dmp
    Filesize

    4KB

  • memory/1752-1-0x0000000000250000-0x0000000000266000-memory.dmp
    Filesize

    88KB

  • memory/1752-2-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp
    Filesize

    9.9MB

  • memory/1752-31-0x000007FEF5253000-0x000007FEF5254000-memory.dmp
    Filesize

    4KB

  • memory/1752-32-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp
    Filesize

    9.9MB

  • memory/2664-14-0x000000001B6E0000-0x000000001B9C2000-memory.dmp
    Filesize

    2.9MB

  • memory/2664-15-0x0000000001D20000-0x0000000001D28000-memory.dmp
    Filesize

    32KB

  • memory/2824-7-0x000000001B4F0000-0x000000001B7D2000-memory.dmp
    Filesize

    2.9MB

  • memory/2824-8-0x0000000002910000-0x0000000002918000-memory.dmp
    Filesize

    32KB