Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2024 11:08

General

  • Target

    30258a07cc6d0fa827544493e9036e955056da88d0530efa8cf3535ecbf8e75c.exe

  • Size

    168KB

  • MD5

    651429675c1d86cf068746159aa66b6d

  • SHA1

    aad51d3448cb1e9f337a985ed840a0064d5699ee

  • SHA256

    30258a07cc6d0fa827544493e9036e955056da88d0530efa8cf3535ecbf8e75c

  • SHA512

    397e2a05e8f3d45c04953998a09d76212b38e3dc9073be814cb3010ea94b00733d2557a6e5002b0a2401fb33d62908e794553a6afd31e45b0afe6987806272fb

  • SSDEEP

    3072:gwe+6Rkd+MisaP1JmK6Hw9hEgXEp1NDLfgAiKgD7fYtB2SOEQW40/mmo0ioi:glbRFLsaPfmK6HwXDXsFglf7gya4tm

Malware Config

Extracted

Family

xworm

Version

3.1

C2

activities-mustang.gl.at.ply.gg:54756

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30258a07cc6d0fa827544493e9036e955056da88d0530efa8cf3535ecbf8e75c.exe
    "C:\Users\Admin\AppData\Local\Temp\30258a07cc6d0fa827544493e9036e955056da88d0530efa8cf3535ecbf8e75c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\X.exe
      "C:\Users\Admin\AppData\Local\Temp\X.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2208
      • 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\X.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2604
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2828
      • 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\X.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\X.exe

    Filesize

    61KB

    MD5

    2c76b88a912c741f1404b400c1add578

    SHA1

    13d1b6d341d59aef6833a4123e22484ddb665183

    SHA256

    5178365164f71d22459d807a5ba61e8d50dd15a4adb4a00b08248c6f141f8074

    SHA512

    b8f8ae619f7cdf323c4f98e63bea5c3059886792b0c5a41df96a243811bf78df2fec45bf4b459e07c8c564ee2875852ac47eb3c3ad34cf70c8ba27c547163ebe

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\C1SCWGF4TD8X9BFS0K89.temp

    Filesize

    7KB

    MD5

    7d8ee725dc2c1ed3d4e7e35c0835282f

    SHA1

    47cf0e4af7b9594dbcd3131f1af296268c4e3b37

    SHA256

    f91b72d27df1ee514a8af37b2d93abaa17d28ea2195b31c576e5348756fdeb7b

    SHA512

    6baf1527b673aec56cdb90be4cddbc4e5dfb63e4ede266e2aeb5a74d8ac69cf4d8909460b993102d0ee80178b0a2dd275985bc80e677a95e07c52edc40acf4cc

  • memory/2208-38-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

    Filesize

    9.9MB

  • memory/2208-9-0x0000000000C10000-0x0000000000C26000-memory.dmp

    Filesize

    88KB

  • memory/2208-37-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

    Filesize

    9.9MB

  • memory/2208-11-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

    Filesize

    9.9MB

  • memory/2208-36-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

    Filesize

    9.9MB

  • memory/2604-16-0x000000001B680000-0x000000001B962000-memory.dmp

    Filesize

    2.9MB

  • memory/2604-17-0x00000000022C0000-0x00000000022C8000-memory.dmp

    Filesize

    32KB

  • memory/2756-0-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

    Filesize

    4KB

  • memory/2756-10-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

    Filesize

    9.9MB

  • memory/2756-1-0x0000000000B00000-0x0000000000B30000-memory.dmp

    Filesize

    192KB

  • memory/2828-23-0x000000001B730000-0x000000001BA12000-memory.dmp

    Filesize

    2.9MB

  • memory/2828-24-0x00000000021D0000-0x00000000021D8000-memory.dmp

    Filesize

    32KB