Analysis

  • max time kernel
    120s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 07:07

General

  • Target

    Wallet_Cracker/Setup/Setup.exe

  • Size

    164KB

  • MD5

    49bce6a66a0120329a165a14f0a98c28

  • SHA1

    a0271522e0e368e32dac2883a7b8dd7cfdd719fe

  • SHA256

    b77fa081d473eb46039e3edadc4ff86f2b80cb29266d4de240a8d56fcccec696

  • SHA512

    cc4b5f946474064fe0ddd0ff13899ff77a0c631c2d044ab255576dba624a5c1e101ac6f42aef64da376bf829c4979f3cdf91e7e5a3ed40fa74b5dae718fff966

  • SSDEEP

    3072:qNIAXlLCiiu6EabEvJuOu3/gBz65/M6If+3Js+3JFkKeTno:qFCiiuhabgJ+YxBt25

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7777

45.200.148.238:7777

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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
  • Adds Run key to start application 2 TTPs 1 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Wallet_Cracker\Setup\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Wallet_Cracker\Setup\Setup.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2452
    • 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\Wallet_Cracker\Setup\Setup.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Setup.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800
    • 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:1808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    7KB

    MD5

    a5682e83dba4f9a997449dbf08e1a6b6

    SHA1

    3d89eb17d2630f9286e109243483c6416d27c0b6

    SHA256

    d6f32bf349d12883098c4ee8586118aba2ac7777414260495fbc1eae517be303

    SHA512

    797b4590c490a4855f9cb1dae5c0d201fa7a09b89ab1a18e88ee62da69c1e24ab712717c53be40011c180a3a51a97c73d07c4d641dab3883febf3f11e96d6500

  • memory/2452-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

    Filesize

    4KB

  • memory/2452-1-0x0000000000E00000-0x0000000000E30000-memory.dmp

    Filesize

    192KB

  • memory/2452-2-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

    Filesize

    9.9MB

  • memory/2452-28-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

    Filesize

    4KB

  • memory/2452-34-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

    Filesize

    9.9MB

  • memory/2680-7-0x0000000002DC0000-0x0000000002E40000-memory.dmp

    Filesize

    512KB

  • memory/2680-8-0x000000001B8B0000-0x000000001BB92000-memory.dmp

    Filesize

    2.9MB

  • memory/2680-9-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

    Filesize

    32KB

  • memory/2804-15-0x000000001B720000-0x000000001BA02000-memory.dmp

    Filesize

    2.9MB

  • memory/2804-16-0x00000000023A0000-0x00000000023A8000-memory.dmp

    Filesize

    32KB