Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:49

General

  • Target

    1e96aaf82c05be28d0d2245b402ef5610e2106563e9f08d59dd53c250b8d5e8e.exe

  • Size

    448KB

  • MD5

    6022edf06aaf6058035404208d96c2a6

  • SHA1

    7d5654fb29c0a364d6dd52b6094e156e405dbc45

  • SHA256

    1e96aaf82c05be28d0d2245b402ef5610e2106563e9f08d59dd53c250b8d5e8e

  • SHA512

    faff7b29c01f25ec13c5bf5fe1f0948317af10b583fe01327e0bb7a23303089a1e1bf06ca7ecd770af8949add8fbdf24df5db29417c52c5ad0ee619b67413414

  • SSDEEP

    6144:gBC/iqMDDb4eFZ9zD9wSysVOXvrXI8d9qFiWEKH0FfRJO/:gBC/i3DDceZh9pyAOfcG9q4jKUFfRJw

Score
8/10

Malware Config

Signatures

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

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e96aaf82c05be28d0d2245b402ef5610e2106563e9f08d59dd53c250b8d5e8e.exe
    "C:\Users\Admin\AppData\Local\Temp\1e96aaf82c05be28d0d2245b402ef5610e2106563e9f08d59dd53c250b8d5e8e.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\rundlldic.exe
      "C:\Windows\rundlldic.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\rundlldic.exe" "rundlldic.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\rundlldic.exe

    Filesize

    448KB

    MD5

    6022edf06aaf6058035404208d96c2a6

    SHA1

    7d5654fb29c0a364d6dd52b6094e156e405dbc45

    SHA256

    1e96aaf82c05be28d0d2245b402ef5610e2106563e9f08d59dd53c250b8d5e8e

    SHA512

    faff7b29c01f25ec13c5bf5fe1f0948317af10b583fe01327e0bb7a23303089a1e1bf06ca7ecd770af8949add8fbdf24df5db29417c52c5ad0ee619b67413414

  • C:\Windows\rundlldic.exe

    Filesize

    448KB

    MD5

    6022edf06aaf6058035404208d96c2a6

    SHA1

    7d5654fb29c0a364d6dd52b6094e156e405dbc45

    SHA256

    1e96aaf82c05be28d0d2245b402ef5610e2106563e9f08d59dd53c250b8d5e8e

    SHA512

    faff7b29c01f25ec13c5bf5fe1f0948317af10b583fe01327e0bb7a23303089a1e1bf06ca7ecd770af8949add8fbdf24df5db29417c52c5ad0ee619b67413414

  • memory/1780-133-0x0000000000000000-mapping.dmp

  • memory/1780-138-0x0000000075340000-0x00000000758F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1780-139-0x0000000075340000-0x00000000758F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3448-137-0x0000000000000000-mapping.dmp

  • memory/3696-132-0x0000000075340000-0x00000000758F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3696-136-0x0000000075340000-0x00000000758F1000-memory.dmp

    Filesize

    5.7MB