Overview

overview

10

Static

static

10

584249EC87...67.exe

windows7_x64

8

584249EC87...67.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    16/04/2021, 22:16

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General

  • Target
    584249EC870B36FCE92D4906C8003667.exe
  • Size 3.8MB
  • Sample210416-2fb92rmngx
  • SHA256 78eafd097228f4ca24f16292f535d37d29155c4c79702dd837b4c1638743491e
  • MD5 SHA1 SHA512
Score
10/10
bitratxenarmorpasswordpersistencerecoveryspywarestealertrojanupx

Malware Config

Signatures

  • BitRAT

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

    trojanbitrat
  • BitRAT Payload 2 IoCs
  • XenArmor Suite

    XenArmor is as suite of password recovery tools for various application.

    recoverypasswordxenarmor
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

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

    upx
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\584249EC870B36FCE92D4906C8003667.exe
    "C:\Users\Admin\AppData\Local\Temp\584249EC870B36FCE92D4906C8003667.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\mpbvulcLQbLQBYPS.exe
      "C:\Users\Admin\AppData\Local\Temp\mpbvulcLQbLQBYPS.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\41C2.tmp\41C3.tmp\41C4.bat C:\Users\Admin\AppData\Local\Temp\mpbvulcLQbLQBYPS.exe"
        3⤵
        • Drops startup file
        PID:3964
    • C:\Users\Admin\AppData\Local\SafetyFiles\SafetyFiles.exe
      -a "C:\Users\Admin\AppData\Local\d635a33a\plg\WcpTPNGF.json"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Users\Admin\AppData\Local\SafetyFiles\SafetyFiles.exe
        -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2384

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2384-125-0x0000000000400000-0x00000000006FE000-memory.dmp
        Download

        memory/2384-131-0x0000000000400000-0x00000000006FE000-memory.dmp
        Download

        memory/2724-124-0x0000000000400000-0x00000000008DC000-memory.dmp
        Download

        memory/2724-121-0x0000000000400000-0x00000000008DC000-memory.dmp
        Download