Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2025, 03:05

General

  • Target

    7d47a0ba9eeeb8fb9d25bc2c6acdc99408460d6d6b15957b487b3df724e9184d.exe

  • Size

    178KB

  • MD5

    718db92b63e8d468d2486f8222427c77

  • SHA1

    e0d354a3159477957ff06435ecfa38bce32f1f2e

  • SHA256

    7d47a0ba9eeeb8fb9d25bc2c6acdc99408460d6d6b15957b487b3df724e9184d

  • SHA512

    4f936667e6dbb0d08709ebab96829c874a9c1285d9665e23379b15047335cc3109b0aaf53e32d9df39a52ed6beecc6dc4d615c84e2add4701abd160feb1990f1

  • SSDEEP

    3072:r/H9jF3sXqPXlXmbGQz1i8dOyucD1sM+lmsolAIrRuw+mqv9j1MWLQI:jHHsOmbrhwK+lDAA

Malware Config

Extracted

Family

xworm

C2

198.7.115.133:7772

Attributes
  • Install_directory

    %AppData%

  • install_file

    MSClient.exe

Signatures

  • Detect Xworm Payload 3 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d47a0ba9eeeb8fb9d25bc2c6acdc99408460d6d6b15957b487b3df724e9184d.exe
    "C:\Users\Admin\AppData\Local\Temp\7d47a0ba9eeeb8fb9d25bc2c6acdc99408460d6d6b15957b487b3df724e9184d.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:2316
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "MSClient" /tr "C:\Users\Admin\AppData\Roaming\MSClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2728
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CC56CBEB-F2C6-4311-B8A5-0E566413718D} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Roaming\MSClient.exe
      C:\Users\Admin\AppData\Roaming\MSClient.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1884
    • C:\Users\Admin\AppData\Roaming\MSClient.exe
      C:\Users\Admin\AppData\Roaming\MSClient.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\MSClient.exe

    Filesize

    178KB

    MD5

    718db92b63e8d468d2486f8222427c77

    SHA1

    e0d354a3159477957ff06435ecfa38bce32f1f2e

    SHA256

    7d47a0ba9eeeb8fb9d25bc2c6acdc99408460d6d6b15957b487b3df724e9184d

    SHA512

    4f936667e6dbb0d08709ebab96829c874a9c1285d9665e23379b15047335cc3109b0aaf53e32d9df39a52ed6beecc6dc4d615c84e2add4701abd160feb1990f1

  • memory/1884-37-0x0000000001040000-0x0000000001072000-memory.dmp

    Filesize

    200KB

  • memory/2316-0-0x000007FEF58D3000-0x000007FEF58D4000-memory.dmp

    Filesize

    4KB

  • memory/2316-1-0x0000000000130000-0x0000000000162000-memory.dmp

    Filesize

    200KB

  • memory/2316-2-0x000007FEF58D3000-0x000007FEF58D4000-memory.dmp

    Filesize

    4KB

  • memory/2316-7-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

    Filesize

    9.9MB

  • memory/2316-8-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

    Filesize

    9.9MB

  • memory/2316-9-0x000000001CAD0000-0x000000001CBF0000-memory.dmp

    Filesize

    1.1MB