Analysis

  • max time kernel
    131s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2024 01:49

General

  • Target

    a9f1d82a7954d86d746086969c0d7b7b5ca65ccfd0d6a375931a6826eca1a8c7.exe

  • Size

    69KB

  • MD5

    99088d7d8b409b4039b02295e64a686f

  • SHA1

    f58dad3090854f8ab5cc3de89d6cdaeb151883d4

  • SHA256

    a9f1d82a7954d86d746086969c0d7b7b5ca65ccfd0d6a375931a6826eca1a8c7

  • SHA512

    a485b749f096a63bcc733b848317ceca918ee46516bcf17593c8358303a80aa0fb15c99b444fbeac02f79ac69c165e8a2fbb614265a56d99b5c098bd48d388b7

  • SSDEEP

    1536:/Jyq1zgbszio2koAZnsuW8sLFbsnkRs6v6daV4IO8geup:/JT1zPziqoQsX8sLFbsH6R4IO8geup

Malware Config

Extracted

Family

xworm

C2

main-although.gl.at.ply.gg:30970

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7208700451:AAHHz5xWybJ91pH6F9vJRw8dcMEBlRiBXKs/sendMessage?chat_id=6131620354

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\a9f1d82a7954d86d746086969c0d7b7b5ca65ccfd0d6a375931a6826eca1a8c7.exe
    "C:\Users\Admin\AppData\Local\Temp\a9f1d82a7954d86d746086969c0d7b7b5ca65ccfd0d6a375931a6826eca1a8c7.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2292
    • 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\a9f1d82a7954d86d746086969c0d7b7b5ca65ccfd0d6a375931a6826eca1a8c7.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2764
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'a9f1d82a7954d86d746086969c0d7b7b5ca65ccfd0d6a375931a6826eca1a8c7.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2792
    • 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:2544
    • 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:320

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

    b14e779823b44446bb9b8a9657341118

    SHA1

    5dbaee8f5ddd2f18cbf0135f8aa361122fdd2df7

    SHA256

    832cdaac3d8c4fa86eab49444a87e52e6817e4d6a2224b1e521b01c3e835c36f

    SHA512

    a2a86d619bab2b4e497522f59311c4a7bd49bdce436f1a09086d0a265875e04b853aef0a4f64207eaf6a1d1cd94a0ddc213b5afba0d45fd7e3f78044eb3bf284

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/2292-0-0x000007FEF5BE3000-0x000007FEF5BE4000-memory.dmp

    Filesize

    4KB

  • memory/2292-1-0x0000000000360000-0x0000000000378000-memory.dmp

    Filesize

    96KB

  • memory/2292-2-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

    Filesize

    9.9MB

  • memory/2292-33-0x000007FEF5BE3000-0x000007FEF5BE4000-memory.dmp

    Filesize

    4KB

  • memory/2292-34-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

    Filesize

    9.9MB

  • memory/2764-7-0x0000000002960000-0x00000000029E0000-memory.dmp

    Filesize

    512KB

  • memory/2764-8-0x000000001B4B0000-0x000000001B792000-memory.dmp

    Filesize

    2.9MB

  • memory/2764-9-0x0000000001F50000-0x0000000001F58000-memory.dmp

    Filesize

    32KB

  • memory/2792-15-0x000000001B850000-0x000000001BB32000-memory.dmp

    Filesize

    2.9MB

  • memory/2792-16-0x0000000001F50000-0x0000000001F58000-memory.dmp

    Filesize

    32KB