Resubmissions

13-09-2021 07:48

210913-jm5fmadca3 10

Analysis

  • max time kernel
    168s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    13-09-2021 07:48

General

  • Target

    1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472.exe

  • Size

    1.2MB

  • MD5

    38df59cb1b647416d7a2dd6a10a7d87f

  • SHA1

    a9c130b1a876b2bf44cf65261731309b5de58bc1

  • SHA256

    1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472

  • SHA512

    db86988b3e20b28329187ef0e773de5cd5fe2c89d677cea5773893124d8d7186036f4c36b02b43e60220e508597d8388a87842b93341b9d39edfbaf86deb2cda

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\1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472.exe
    "C:\Users\Admin\AppData\Local\Temp\1897bc959e07da3429106dff038d6b63a6343e793f91dceadff499e8d29bf472.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:1392
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:1740

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1984-53-0x00000000754C1000-0x00000000754C3000-memory.dmp

      Filesize

      8KB

    • memory/1984-56-0x0000000001FC0000-0x00000000020A2000-memory.dmp

      Filesize

      904KB

    • memory/1984-57-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/1984-55-0x00000000001B0000-0x00000000001B1000-memory.dmp

      Filesize

      4KB

    • memory/1984-58-0x0000000002E30000-0x0000000002ECF000-memory.dmp

      Filesize

      636KB