Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2024 17:51

General

  • Target

    9c492fba28581421baa4ce4bcc0c900b.exe

  • Size

    136KB

  • MD5

    9c492fba28581421baa4ce4bcc0c900b

  • SHA1

    485a60339d595673593d4a82b394f289421992f3

  • SHA256

    d18024ab5c4e11ac141543029d03e8f5e4a49d6462edc538b5aca5120ab810ea

  • SHA512

    66367dba096b594d5bed85e74b1361b792f8e6ef9dc372a63f189d568f05186d1f70cd7e0ce29d268f87b2c64cee94a692d07bd15ba06fc0135f384df793ea1a

  • SSDEEP

    3072:Bml43DwwjBfQn7WbIqH0ybZBiOllyEmcP82+aVdOt66VGegmuD:Bma3nQn7WbIqH0ybZBiOllyE5D+aVkja

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c492fba28581421baa4ce4bcc0c900b.exe
    "C:\Users\Admin\AppData\Local\Temp\9c492fba28581421baa4ce4bcc0c900b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\wehep.exe
      "C:\Users\Admin\wehep.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wehep.exe

    Filesize

    136KB

    MD5

    c88ff831dca29813bbf782e5becd735c

    SHA1

    b341f15085bbe583b02aa878975b875e6707301a

    SHA256

    b22b1a679ffd20d599e4c309a39c6e8b9e436ae68f288b26756d44ec0310e40b

    SHA512

    6056d68678478d35955e76aca2aeda4f658754efda736123ce9c0d6c7dd633eddb014dd7a46c32ccc3fd8dcf7b340f39b3dd28cb20f829dea555848f09ee0744