Analysis

  • max time kernel
    298s
  • max time network
    354s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 12:36

General

  • Target

    fd1916a392220cd992581702e90a710dbf320009d585e64e7b982ab1b946f93f.exe

  • Size

    1.1MB

  • MD5

    f1986f6f9c557cba0ddd74907fe9a10f

  • SHA1

    e1a7082eba81f783f3802b694d7eb81f6f5eb9d6

  • SHA256

    fd1916a392220cd992581702e90a710dbf320009d585e64e7b982ab1b946f93f

  • SHA512

    5780aa0de7feb6113f91d71d1e6d931faa410f082754c73de5b3aebb986b094c69c2c925cec837e7e62279bf6b100622403755666442fbf27ecf8dd28da86626

  • SSDEEP

    24576:ct24U3gipfnsa5Yu0KPRjez8l+OSgLphaZ3etWrv:mSd0Cu8hm3vv

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd1916a392220cd992581702e90a710dbf320009d585e64e7b982ab1b946f93f.exe
    "C:\Users\Admin\AppData\Local\Temp\fd1916a392220cd992581702e90a710dbf320009d585e64e7b982ab1b946f93f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Users\Admin\AppData\Roaming\mocow\fbelj.com
      "C:\Users\Admin\AppData\Roaming\mocow\fbelj.com" mwmsa.guw
      2⤵
      • Executes dropped EXE
      PID:508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\mocow\fbelj.com

    Filesize

    732KB

    MD5

    71d8f6d5dc35517275bc38ebcc815f9f

    SHA1

    cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

    SHA256

    fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

    SHA512

    4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

  • C:\Users\Admin\AppData\Roaming\mocow\fbelj.com

    Filesize

    732KB

    MD5

    71d8f6d5dc35517275bc38ebcc815f9f

    SHA1

    cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

    SHA256

    fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

    SHA512

    4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

  • memory/508-132-0x0000000000000000-mapping.dmp