Resubmissions

23-01-2023 13:41

230123-qzjg9add79 10

27-12-2022 17:22

221227-vxl8ksfd97 10

27-12-2022 17:10

221227-vprhbsae8t 10

Analysis

  • max time kernel
    361s
  • max time network
    404s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2022 17:22

General

  • Target

    zsys-master/.github/workflows/auto-updates.yaml

  • Size

    3KB

  • MD5

    8931f68c9219b082cb3de73b3b52788f

  • SHA1

    5b8a03e12d38b2a813b0316918c00ef5aaff438b

  • SHA256

    c898d5c1eef8678d827becfeff0e25376a4f3af13ed9b301491bf3ff983679c7

  • SHA512

    0ac0ebf2a265bc75d4c66c3527090086ae691532b0a592d3577efa9729c84068530be5b61032e39924cd7b6f427ba971aaa2022c6fd345855c836a8d93708b35

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\zsys-master\.github\workflows\auto-updates.yaml
    1⤵
    • Modifies registry class
    PID:1504
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\zsys-master\.github\workflows\auto-updates.yaml
      2⤵
        PID:4480

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4480-132-0x0000000000000000-mapping.dmp