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Analysis

  • max time kernel
    204s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 23:09

General

  • Target

    0045a01a972803b6709bd1d276e8aa000d9870ae90cae0ef66c2f138b9e8bcc5.exe

  • Size

    140KB

  • MD5

    03ad175f6ba14fd44f890d617ff4a263

  • SHA1

    4a3b9b5b685cefcb05aa633ee7c2aa85b01bb914

  • SHA256

    0045a01a972803b6709bd1d276e8aa000d9870ae90cae0ef66c2f138b9e8bcc5

  • SHA512

    c78355c06ad1c6fd381e2300198aa1f68822fb08ee435aa674e2aa2bf48710e6ad8fd4e402b45518d7d1700435a24a8aa13c69c801e7cb7121b6d01577488870

  • SSDEEP

    3072:FbsubuLuwgRkWwuXdzDwWX0fTIZOaA481GkQr+drjOBgqEqh:FPuTWwuXdzDwWX0fTIZOaAYkQrGrjOBq

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 44 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0045a01a972803b6709bd1d276e8aa000d9870ae90cae0ef66c2f138b9e8bcc5.exe
    "C:\Users\Admin\AppData\Local\Temp\0045a01a972803b6709bd1d276e8aa000d9870ae90cae0ef66c2f138b9e8bcc5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Users\Admin\mueanaj.exe
      "C:\Users\Admin\mueanaj.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:1152

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\mueanaj.exe

    Filesize

    140KB

    MD5

    8c73fb340de7189890e57bc41deaadde

    SHA1

    bbfb63fcad736ff20483200ca72dd914d165b2c4

    SHA256

    54c3d6543c94cdac58aba88e8ff52b79c1111cbca9355fcc6d40464c2a9e127f

    SHA512

    03505dedefbec9c440e7f50092f71e49bab1e2f0ccfff539ac5e8ed8e55d4990d98808a7b82f875fc6a54f897565c374c9325994f6dd74a0b7c0e604eafecc8a

  • C:\Users\Admin\mueanaj.exe

    Filesize

    140KB

    MD5

    8c73fb340de7189890e57bc41deaadde

    SHA1

    bbfb63fcad736ff20483200ca72dd914d165b2c4

    SHA256

    54c3d6543c94cdac58aba88e8ff52b79c1111cbca9355fcc6d40464c2a9e127f

    SHA512

    03505dedefbec9c440e7f50092f71e49bab1e2f0ccfff539ac5e8ed8e55d4990d98808a7b82f875fc6a54f897565c374c9325994f6dd74a0b7c0e604eafecc8a

  • \Users\Admin\mueanaj.exe

    Filesize

    140KB

    MD5

    8c73fb340de7189890e57bc41deaadde

    SHA1

    bbfb63fcad736ff20483200ca72dd914d165b2c4

    SHA256

    54c3d6543c94cdac58aba88e8ff52b79c1111cbca9355fcc6d40464c2a9e127f

    SHA512

    03505dedefbec9c440e7f50092f71e49bab1e2f0ccfff539ac5e8ed8e55d4990d98808a7b82f875fc6a54f897565c374c9325994f6dd74a0b7c0e604eafecc8a

  • \Users\Admin\mueanaj.exe

    Filesize

    140KB

    MD5

    8c73fb340de7189890e57bc41deaadde

    SHA1

    bbfb63fcad736ff20483200ca72dd914d165b2c4

    SHA256

    54c3d6543c94cdac58aba88e8ff52b79c1111cbca9355fcc6d40464c2a9e127f

    SHA512

    03505dedefbec9c440e7f50092f71e49bab1e2f0ccfff539ac5e8ed8e55d4990d98808a7b82f875fc6a54f897565c374c9325994f6dd74a0b7c0e604eafecc8a

  • memory/580-56-0x00000000767D1000-0x00000000767D3000-memory.dmp

    Filesize

    8KB