Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    05/05/2021, 08:31

General

  • Target
    a331107f9704db617f106c66b7fd9a49b7b3672dd4904.exe
  • Size 28KB
  • Sample210505-3r982t87vx
  • SHA256 a331107f9704db617f106c66b7fd9a49b7b3672dd4904b8c33aac540e55286a9
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • BitRAT

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

  • BitRAT Payload 3 IoCs
  • Drops startup file 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a331107f9704db617f106c66b7fd9a49b7b3672dd4904.exe
    "C:\Users\Admin\AppData\Local\Temp\a331107f9704db617f106c66b7fd9a49b7b3672dd4904.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\a331107f9704db617f106c66b7fd9a49b7b3672dd4904.exe
      "C:\Users\Admin\AppData\Local\Temp\a331107f9704db617f106c66b7fd9a49b7b3672dd4904.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:364

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/364-124-0x0000000000400000-0x00000000007CD000-memory.dmp

        memory/364-126-0x0000000000400000-0x00000000007CD000-memory.dmp

        memory/4804-114-0x0000000000A80000-0x0000000000A81000-memory.dmp

        memory/4804-116-0x00000000059D0000-0x00000000059D1000-memory.dmp

        memory/4804-117-0x0000000005360000-0x0000000005361000-memory.dmp

        memory/4804-118-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

        memory/4804-119-0x0000000005430000-0x0000000005431000-memory.dmp

        memory/4804-120-0x0000000007F90000-0x000000000817A000-memory.dmp

        memory/4804-121-0x0000000008390000-0x0000000008391000-memory.dmp

        memory/4804-122-0x0000000007560000-0x0000000007561000-memory.dmp

        memory/4804-123-0x00000000074F0000-0x0000000007556000-memory.dmp