Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2022, 11:51

General

  • Target
    1F66AA28CB5494391791DCF5F2C3FF15880862B5C43F2.exe
  • Size 1.5MB
  • Sample221007-nz5z5scch6
  • SHA256 1f66aa28cb5494391791dcf5f2c3ff15880862b5c43f257cbf9db889ae54aa1d
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1F66AA28CB5494391791DCF5F2C3FF15880862B5C43F2.exe
    "C:\Users\Admin\AppData\Local\Temp\1F66AA28CB5494391791DCF5F2C3FF15880862B5C43F2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Windows\SysWOW64\WSCript.exe
      WSCript C:\Users\Admin\AppData\Local\Temp\QYVRLM.vbs
      2⤵
        PID:1292

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          QYVRLM.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\QYVRLM.vbs
          • Size 910B
          • SHA256 96e430409b867c330e76d4bc8080ba6c45989a628ac630b40bcd1a02e3b17d5e
          • MD5 SHA1 SHA512

          memory/536-132-0x0000000000400000-0x00000000004B6000-memory.dmp

          memory/536-135-0x0000000000400000-0x00000000004B6000-memory.dmp