Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 20:55

General

  • Target

    3cc9b8a43698449a0429a03a60cb79409d5fe7e7c1931cf711096ad552ce8844.exe

  • Size

    268KB

  • MD5

    1cc47f0f1b6fee5dc60a2f4fc70ff603

  • SHA1

    411b91132339da62c78881d0da6e2b6f67bf44e7

  • SHA256

    3cc9b8a43698449a0429a03a60cb79409d5fe7e7c1931cf711096ad552ce8844

  • SHA512

    d1e719106c6f5949c7264e59e5d3d9afc989cb9bfd1e530d4afa54af745cacea18c5e7ed6efad658fb2274ef53dcea58ca11066b31aba087f5891f72b5960412

  • SSDEEP

    6144:bIpnHdreWWrsszHVx0RG6J2L3RmvrR4Er75tLZudw8iXny:OnHdrPW1HVx0RG6Js3erR4Er75tLZudN

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 52 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3cc9b8a43698449a0429a03a60cb79409d5fe7e7c1931cf711096ad552ce8844.exe
    "C:\Users\Admin\AppData\Local\Temp\3cc9b8a43698449a0429a03a60cb79409d5fe7e7c1931cf711096ad552ce8844.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Users\Admin\juuohaw.exe
      "C:\Users\Admin\juuohaw.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
      • Suspicious use of WriteProcessMemory
      PID:2912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\juuohaw.exe

    Filesize

    268KB

    MD5

    02ac9b8715176fb8e3796d44580dafde

    SHA1

    4a57fcb1e7d9c0d742b8496b991cca68d5f031a2

    SHA256

    15be199aa809cd250dfa7a3cb0a851487192c3b9e9ee3fcab90c1db73f797b46

    SHA512

    850dbbf9b32aebc5f926c3ef3384e3f8d6c6b95bb36660c7f2c7b1729f2c504c30cffc9e07279c9eac8057f963b320d33eb07811701bcb9e954976baed840d90

  • C:\Users\Admin\juuohaw.exe

    Filesize

    268KB

    MD5

    02ac9b8715176fb8e3796d44580dafde

    SHA1

    4a57fcb1e7d9c0d742b8496b991cca68d5f031a2

    SHA256

    15be199aa809cd250dfa7a3cb0a851487192c3b9e9ee3fcab90c1db73f797b46

    SHA512

    850dbbf9b32aebc5f926c3ef3384e3f8d6c6b95bb36660c7f2c7b1729f2c504c30cffc9e07279c9eac8057f963b320d33eb07811701bcb9e954976baed840d90

  • memory/2912-137-0x0000000000000000-mapping.dmp