Resubmissions

22-09-2021 14:37

210922-ry949adad8 10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-09-2021 14:37

General

  • Target

    45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c.exe

  • Size

    1.2MB

  • MD5

    9d06f72aeb10616c07e774187dfdce95

  • SHA1

    9c71200fd05f22fa12971c0ad4232d4fc169430d

  • SHA256

    45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c

  • SHA512

    e1bf5a51c59420355c1bae2c241d52e007a60fddb5847647e49c71b65abd1210d87a5cdb23ea62e7e2863bd86bb99ae89cd66767c906e8322634dc33ec454843

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\45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c.exe
    "C:\Users\Admin\AppData\Local\Temp\45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:2864
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:3568

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2492-115-0x0000000000550000-0x000000000069A000-memory.dmp

      Filesize

      1.3MB

    • memory/2492-118-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/2492-117-0x0000000002560000-0x0000000002642000-memory.dmp

      Filesize

      904KB

    • memory/2492-119-0x00000000029B0000-0x0000000002A4F000-memory.dmp

      Filesize

      636KB