Resubmissions

13-09-2021 08:08

210913-j1qvdsdch3 10

Analysis

  • max time kernel
    151s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    13-09-2021 08:08

General

  • Target

    4177267c7688e0a4879695e76b87c4f00f91189a318288c9345a2fb3a9d50664.exe

  • Size

    1.2MB

  • MD5

    3719c2d7abe621d208c853cc425861d2

  • SHA1

    3f317891a950a1a5e01b7e10715f8d62e5cf0f1f

  • SHA256

    4177267c7688e0a4879695e76b87c4f00f91189a318288c9345a2fb3a9d50664

  • SHA512

    d43c7487903a043cdd73fe3de3cdd87f9fe40277cdad55356061f6771b76f427049d5354b9c8f308badc946f451070d281d0421e9f8623d6922e7c59a10ae449

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4177267c7688e0a4879695e76b87c4f00f91189a318288c9345a2fb3a9d50664.exe
    "C:\Users\Admin\AppData\Local\Temp\4177267c7688e0a4879695e76b87c4f00f91189a318288c9345a2fb3a9d50664.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:1784
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:476

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1868-53-0x00000000766B1000-0x00000000766B3000-memory.dmp

      Filesize

      8KB

    • memory/1868-56-0x0000000002000000-0x00000000020E2000-memory.dmp

      Filesize

      904KB

    • memory/1868-55-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/1868-57-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/1868-58-0x0000000002DC0000-0x0000000002E5F000-memory.dmp

      Filesize

      636KB