Analysis

  • max time kernel
    151s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 01:32

General

  • Target

    a9724c8927b57c880278c2dcf3912ac50963b73852c0e7df4d117370c4e4a777.exe

  • Size

    108KB

  • MD5

    729d882fc04be00fe830f70cfe01b6cd

  • SHA1

    77e67a2916815d1ddecb991de76aaa307c5f6410

  • SHA256

    a9724c8927b57c880278c2dcf3912ac50963b73852c0e7df4d117370c4e4a777

  • SHA512

    7d6abbde763f205b261ca41f9b373ae3e619521ce457655479e0bccaef32b7b0d3d73d00662e3bb2c912094626cc07ff09a6514ec739334319bfc4d1e8446781

  • SSDEEP

    1536:VQX/VtRjes5mBVKuCrENMRs7eSeLwhJt5G35Xm4ofWmkVpgWKBjWSKMvIVh/Ohas:yX/RQCs7eSUWp+Nr8

Score
10/10

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 55 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9724c8927b57c880278c2dcf3912ac50963b73852c0e7df4d117370c4e4a777.exe
    "C:\Users\Admin\AppData\Local\Temp\a9724c8927b57c880278c2dcf3912ac50963b73852c0e7df4d117370c4e4a777.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Users\Admin\goagut.exe
      "C:\Users\Admin\goagut.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:4816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\goagut.exe

    Filesize

    108KB

    MD5

    165583d5575036dbf60cab02d4c819c4

    SHA1

    b8bcf72e6c58d9d8b641521233e491cefffbf0f0

    SHA256

    dc6fb8adbe3b8184ee272b54716a7e234158005d59a643f4852d44343abdf1ea

    SHA512

    cdf77ce4e056a8bb0838dea95b93fab8e6c6b3314cce44f73e322a4dfd82eacae3071880739d7c278d8de322776f6bbae22c9e08242c04305b756fbc4b3d6fc8

  • C:\Users\Admin\goagut.exe

    Filesize

    108KB

    MD5

    165583d5575036dbf60cab02d4c819c4

    SHA1

    b8bcf72e6c58d9d8b641521233e491cefffbf0f0

    SHA256

    dc6fb8adbe3b8184ee272b54716a7e234158005d59a643f4852d44343abdf1ea

    SHA512

    cdf77ce4e056a8bb0838dea95b93fab8e6c6b3314cce44f73e322a4dfd82eacae3071880739d7c278d8de322776f6bbae22c9e08242c04305b756fbc4b3d6fc8