Analysis

  • max time kernel
    104s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2025, 03:01

General

  • Target

    Jarvas-main/hook.ps1

  • Size

    952B

  • MD5

    e979804043a21c7ad61caf42cb1aca09

  • SHA1

    0dd7c61250f4b8376ef53296e1ac2e9020277f0d

  • SHA256

    aa0b85d331e09570ca1523f674c7f69dc7e6f1ea2019530c4316bf48d4496261

  • SHA512

    e0d9e6bcedfacc47a80c1403068baf3c5c29126652c5f683bb3b52a34f3f061a9d89d76b9a10b1da72e623e3a140ddc1781fe34372d1b492f1050756beb9aaea

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Jarvas-main\hook.ps1
    1⤵
    • Blocklisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\regedit.exe
      "C:\Windows\regedit.exe" /s C:\Users\Public\17399.reg
      2⤵
      • Runs .reg file with regedit
      PID:6076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gujxn2yk.swr.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/796-0-0x00007FFED7533000-0x00007FFED7535000-memory.dmp

    Filesize

    8KB

  • memory/796-10-0x000001ED820E0000-0x000001ED82102000-memory.dmp

    Filesize

    136KB

  • memory/796-11-0x00007FFED7530000-0x00007FFED7FF1000-memory.dmp

    Filesize

    10.8MB

  • memory/796-12-0x00007FFED7530000-0x00007FFED7FF1000-memory.dmp

    Filesize

    10.8MB

  • memory/796-13-0x00007FFED7530000-0x00007FFED7FF1000-memory.dmp

    Filesize

    10.8MB

  • memory/796-14-0x00007FFED7530000-0x00007FFED7FF1000-memory.dmp

    Filesize

    10.8MB

  • memory/796-15-0x00007FFED7530000-0x00007FFED7FF1000-memory.dmp

    Filesize

    10.8MB

  • memory/796-17-0x00007FFED7530000-0x00007FFED7FF1000-memory.dmp

    Filesize

    10.8MB