Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2024, 17:05

General

  • Target

    a4537efbaf70b330822dc21779fc93a0.exe

  • Size

    122KB

  • MD5

    a4537efbaf70b330822dc21779fc93a0

  • SHA1

    99e0dcdcb05537e421e5bbf79bb03b0d3a9e9978

  • SHA256

    d47efd398a25f0ec20b281888b80b31e2882329d1258406973b11a61a88f1223

  • SHA512

    d101207f7f8e3710ef090777e8fd777e674dbc419fbef2eae47c44490c45089c094e17a2abc603c845e082fab128a02c1235b0990039826139e0d8254e9663d9

  • SSDEEP

    3072:sF67cTuAEvl67o9Beb2LV7+ywBsSZLlOSlN5XY9NnlutTzzmvB//+c:sI7kzE95CjlOSX5ol6TM9

Score
7/10

Malware Config

Signatures

  • 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 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4537efbaf70b330822dc21779fc93a0.exe
    "C:\Users\Admin\AppData\Local\Temp\a4537efbaf70b330822dc21779fc93a0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      PID:1340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

    Filesize

    122KB

    MD5

    a4537efbaf70b330822dc21779fc93a0

    SHA1

    99e0dcdcb05537e421e5bbf79bb03b0d3a9e9978

    SHA256

    d47efd398a25f0ec20b281888b80b31e2882329d1258406973b11a61a88f1223

    SHA512

    d101207f7f8e3710ef090777e8fd777e674dbc419fbef2eae47c44490c45089c094e17a2abc603c845e082fab128a02c1235b0990039826139e0d8254e9663d9

  • memory/1340-34-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1340-35-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/5052-33-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB