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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    22/10/2020, 08:33

General

  • Target

    cad70078636cc2bc01019e66c90c8144.exe

  • Size

    1.7MB

  • MD5

    cad70078636cc2bc01019e66c90c8144

  • SHA1

    054ce24e6674b19477fce3e158b2cc881c2881d9

  • SHA256

    e7f018a097a4041995e6d95f9de421d36605140b3c648e1c46af0a0df08b3aef

  • SHA512

    3a321d5e72b6f0a85e9d726cea59d98dd90bf74b334f88326313fa3747d3ae7b239d1fab2bf512fb2d31f3125698dd471001978591f8ee86bf63599dee83d1f4

Malware Config

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • BitRAT Payload 1 IoCs
  • Blocklisted process makes network request 4 IoCs
  • UPX packed file 3 IoCs

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

  • Loads dropped DLL 64 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cad70078636cc2bc01019e66c90c8144.exe
    "C:\Users\Admin\AppData\Local\Temp\cad70078636cc2bc01019e66c90c8144.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe Aluminium,Excalibur
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:208
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Blocklisted process makes network request
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1252

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/208-3433-0x0000000005720000-0x0000000005AC8000-memory.dmp

    Filesize

    3.7MB

  • memory/1252-3435-0x0000000000400000-0x00000000007A8000-memory.dmp

    Filesize

    3.7MB

  • memory/1252-3436-0x0000000000400000-0x00000000007A8000-memory.dmp

    Filesize

    3.7MB

  • memory/1252-3443-0x0000000000800000-0x0000000000801000-memory.dmp

    Filesize

    4KB