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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 19:12

General

  • Target

    015fe015cf765310d7f52d7d26bd7c87.exe

  • Size

    136KB

  • MD5

    015fe015cf765310d7f52d7d26bd7c87

  • SHA1

    0d1578c7c9d7eeeda0c06f557c2e09cb1478ae0c

  • SHA256

    b8cd4f5f312fe974ebc19987368682ce4da056a4721be1c7fc30844eda124e8e

  • SHA512

    18b45771ead496cadd2618df96465157b1bbc0b81d044392f3bb5b9fdcb921fbc66f7a5bbfdd32db583d20cfb6da9dbc0c97b0de2b41e2f1742b76f3848fdff8

  • SSDEEP

    3072:BmQUgwjBfQn7WbIqH0ybZBiOllyEmcP82+aVdOt66VGegmN:Bm1Qn7WbIqH0ybZBiOllyE5D+aVkjseN

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 51 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\015fe015cf765310d7f52d7d26bd7c87.exe
    "C:\Users\Admin\AppData\Local\Temp\015fe015cf765310d7f52d7d26bd7c87.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Users\Admin\fsceef.exe
      "C:\Users\Admin\fsceef.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:1556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\fsceef.exe

    Filesize

    136KB

    MD5

    30cf54a2b94df3985d13685658db6061

    SHA1

    5c1c6ca7207b07b59ec69b7d044e1f6c33380103

    SHA256

    885400f88fd007e9a53293d76f1249cf38671187e5d58d54fd50a17f96dc1ea1

    SHA512

    fa2cca0b0dd7520080bd4de96f5b216aa26bff8c5d1e3b7c91f0f4a5d5ee4de82aeb0c4a92fdf8d57140915025510870eb4e6066d4354846735d99fdb8c842a9