Analysis

  • max time kernel
    140s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 17:30

General

  • Target

    Setupprogram_01234.exe

  • Size

    66.0MB

  • MD5

    3876732ec5963449c557dbfba4a1f3a3

  • SHA1

    8d64effed42360dadd052431a42838e0c2d405a4

  • SHA256

    26b4b314125fcaa7e72042162304d7ccbe1a6822d6b99026ecfcc3d964f33b0c

  • SHA512

    6cdc829f0286f41accbe0ed035942f962caafd574ff2cb86a6db6b5bf3298c8e7f506cbd2c4cc4a9d79e27bd0d7820fc7eb6c500e48b074e6ece707509fc4ae4

  • SSDEEP

    196608:JK2/GVMLOC9c0K8K81cSKxxYxn85tCbxkURXs1tFJmkIIwozO:zkC9c0K8K81cSKxx+0ydXsHO

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setupprogram_01234.exe
    "C:\Users\Admin\AppData\Local\Temp\Setupprogram_01234.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\Setupprogram_01234.exe
      "C:\Users\Admin\AppData\Local\Temp\Setupprogram_01234.exe" /up
      2⤵
      • Checks computer location settings
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Program Files (x86)\SLOWoptimalxczUtil\SLOWsUtil.exe
        "C:\Program Files (x86)\SLOWoptimalxczUtil\SLOWsUtil.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\SLOWoptimalxczUtil\SLOWsUtil.exe

    Filesize

    1.5MB

    MD5

    a6a0f7c173094f8dafef996157751ecf

    SHA1

    c0dcae7c4c80be25661d22400466b4ea074fc580

    SHA256

    b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

    SHA512

    965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94