Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 10:58

General

  • Target

    7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe

  • Size

    71KB

  • MD5

    d5af9923e3015fc2cd381797720e84ec

  • SHA1

    8a11d55d97ad484897fd8da7c7e36543184ef23d

  • SHA256

    7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607

  • SHA512

    11fc191532a6a8a643531aeb90b30a18830bb904b898cb66d6e068cd887b0658b3e6edc75a6c2c622fe0bc0329fac720af43a933a724ccab4c27fa92865307cb

  • SSDEEP

    1536:FTIATUQ2TVMAQuPjcg0OPhb8YUzQjDb6TyBmcOrdzBLvVKhy2:FPuaAPPqOpb88jD0yJOhBzQz

Malware Config

Extracted

Family

xworm

C2

registered-martial.gl.at.ply.gg:62460

Attributes
  • Install_directory

    %Temp%

  • 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.

  • 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: 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\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe
    "C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1252
    • 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\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • 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\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1792
    • 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:2960

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

    41465c9cf9d2952bf1b513811f3350e5

    SHA1

    05b9772f4979ffe33de75b24b6f99eb9ef4f0151

    SHA256

    d3c3c977bbcdcfc8755515843bfa3ec59af0bc94072d5ed6a64d3c8e4f950b3a

    SHA512

    8345fe4316f6f6a51e6e9337b0601e995b15dfe8d7ba0da6423b972f7330911edeee31380230148d48e21aac9a14de95c1891901165c04385566a06c95d0f7ed

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/1252-0-0x000007FEF5623000-0x000007FEF5624000-memory.dmp

    Filesize

    4KB

  • memory/1252-1-0x00000000001A0000-0x00000000001B8000-memory.dmp

    Filesize

    96KB

  • memory/1252-2-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

    Filesize

    9.9MB

  • memory/1252-28-0x000007FEF5623000-0x000007FEF5624000-memory.dmp

    Filesize

    4KB

  • memory/1252-29-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

    Filesize

    9.9MB

  • memory/2780-7-0x000000001B710000-0x000000001B9F2000-memory.dmp

    Filesize

    2.9MB

  • memory/2780-8-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

    Filesize

    32KB

  • memory/2844-14-0x000000001B7B0000-0x000000001BA92000-memory.dmp

    Filesize

    2.9MB

  • memory/2844-15-0x0000000002250000-0x0000000002258000-memory.dmp

    Filesize

    32KB