Analysis

  • max time kernel
    95s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-05-2022 03:45

General

  • Target

    0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe

  • Size

    144KB

  • MD5

    d81298735dcfdc5ed532cde4fdcf3c9c

  • SHA1

    3b9478cf8b620ca828161b1bdac8c04e35955e52

  • SHA256

    0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e

  • SHA512

    e11304c188e4c3c22faf5a3e713a75bde17309e4ff49804134518edb6215ca99e2c9ac0d234c8fd73510b335c82538a0fb73763dba068eb926387894c380a7a3

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe
    "C:\Users\Admin\AppData\Local\Temp\0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:408
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0297A2~1.EXE >> NUL
      2⤵
        PID:4352

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/408-130-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/408-131-0x0000000000A00000-0x0000000000A30000-memory.dmp
      Filesize

      192KB

    • memory/4352-132-0x0000000000000000-mapping.dmp