Analysis

  • max time kernel
    112s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 02:17

General

  • Target

    2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe

  • Size

    192KB

  • MD5

    7c47ea730d0d9201dfb31d80c4bf16ce

  • SHA1

    85de8ad640c8b2c5e186f4bdf1819870afeac2b8

  • SHA256

    a6efc36d12cb0bbeff1748eefb46f2ad6df30cc736a0afe1337f3b97e85443f2

  • SHA512

    5c708b9a251263de8f2c6619f0515fd3ea3bc1b8be837b778223983cb97f182c36bd7332dbd79c701793038b805b304033a858f104d283f400b3af90bca5237d

  • SSDEEP

    6144:jmpsdZuN2iRzjMelR74/gU8G9CbGCrmsE/93ffk8q98R77Hg3c05yH+lDAA:jmpsdZuN2iRzjBlR74/gU8G9CbGCrmsz

Malware Config

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 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).

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

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear" /tr "C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3540
  • C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
    C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3932
  • C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
    C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe.log

    Filesize

    1KB

    MD5

    fde7cc81ed0c50e7ce18702102f19ace

    SHA1

    e9f02b348fda9b22bb3999b4ebef4d366f153086

    SHA256

    00ac4add3fbf73f31bdeb249969dddc68da554c9e9383ec524d63c64dc3f4b53

    SHA512

    75bf55c4f619948f16e29f51008d026e7789eda82615f566b150d54f5769b64d7fe1a6ff8be458e2630be621c551183dfe272ce0a579024065cbc2b4b26f4bf5

  • C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe

    Filesize

    192KB

    MD5

    7c47ea730d0d9201dfb31d80c4bf16ce

    SHA1

    85de8ad640c8b2c5e186f4bdf1819870afeac2b8

    SHA256

    a6efc36d12cb0bbeff1748eefb46f2ad6df30cc736a0afe1337f3b97e85443f2

    SHA512

    5c708b9a251263de8f2c6619f0515fd3ea3bc1b8be837b778223983cb97f182c36bd7332dbd79c701793038b805b304033a858f104d283f400b3af90bca5237d

  • memory/1948-0-0x00007FFF3D1A3000-0x00007FFF3D1A5000-memory.dmp

    Filesize

    8KB

  • memory/1948-1-0x0000000000E50000-0x0000000000E86000-memory.dmp

    Filesize

    216KB

  • memory/1948-2-0x00007FFF3D1A0000-0x00007FFF3DC61000-memory.dmp

    Filesize

    10.8MB

  • memory/1948-6-0x00007FFF3D1A3000-0x00007FFF3D1A5000-memory.dmp

    Filesize

    8KB

  • memory/1948-7-0x00007FFF3D1A0000-0x00007FFF3DC61000-memory.dmp

    Filesize

    10.8MB

  • memory/3932-10-0x00007FFF3D1A0000-0x00007FFF3DC61000-memory.dmp

    Filesize

    10.8MB

  • memory/3932-11-0x00007FFF3D1A0000-0x00007FFF3DC61000-memory.dmp

    Filesize

    10.8MB

  • memory/3932-13-0x00007FFF3D1A0000-0x00007FFF3DC61000-memory.dmp

    Filesize

    10.8MB