Analysis

  • max time kernel
    159s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22/09/2021, 13:19

General

  • Target
    81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe
  • Size 1.2MB
  • Sample210922-qkjvgacgd2
  • SHA256 81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe
    "C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:2616
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:3044

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/2284-115-0x00000000007A0000-0x00000000007A1000-memory.dmp

          memory/2284-117-0x0000000002830000-0x0000000002912000-memory.dmp

          memory/2284-118-0x0000000000400000-0x0000000000545000-memory.dmp

          memory/2284-119-0x0000000002980000-0x0000000002A1F000-memory.dmp