Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2024 22:14

General

  • Target

    b087a691094f9fdd25b7b1828ff7d9fb.exe

  • Size

    4.6MB

  • MD5

    b087a691094f9fdd25b7b1828ff7d9fb

  • SHA1

    78882a7d0aef6b8b1a190fa50ea82373bf4d3b88

  • SHA256

    954eeaefa91f80e80df9cc550c0cc16f52ad063f8ca3494c40ebc5c51ebc635b

  • SHA512

    4f4e1e6da8b96b1984ba4f5a378b442c5671940af3c0fbd2102b6ba4ef15259d88f23e2df38770e91f2389dd439c507561dec820ad471b14148a28fc747b3a83

  • SSDEEP

    98304:RM3sD4Wo+QeyE5fjBdsc+zm4o6kz5KRVBQAWBxfGU:RM3sD4WSDe8rPkz5KFRu

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.33

C2

serviceop091.ddns.net:8000

Attributes
  • communication_password

    c4ca4238a0b923820dcc509a6f75849b

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b087a691094f9fdd25b7b1828ff7d9fb.exe
    "C:\Users\Admin\AppData\Local\Temp\b087a691094f9fdd25b7b1828ff7d9fb.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tBJkUjvPFcL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp12A8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2788
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1980
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp12A8.tmp

      Filesize

      1KB

      MD5

      eaf7617f3e597abd2f4a2456a48ddb47

      SHA1

      4b02cae7bdae492032f9d1bece3074d749aeffc8

      SHA256

      f2d635463943e0920eab6c7972afbf5aad5e93d825f45c7f7fd6d278447d4c94

      SHA512

      95812eb016e87f0f3d0055ac9fcb7daa889f7646d5cb0b090b373825ad2910346a75b6064315d48f24c19147e6b4bbc355d25c40c6cdefe84a1f372ee893224b

    • memory/3656-39-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-41-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-52-0x0000000074FA0000-0x0000000074FD9000-memory.dmp

      Filesize

      228KB

    • memory/3656-30-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-50-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-49-0x0000000074FA0000-0x0000000074FD9000-memory.dmp

      Filesize

      228KB

    • memory/3656-48-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-47-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-46-0x0000000074FA0000-0x0000000074FD9000-memory.dmp

      Filesize

      228KB

    • memory/3656-45-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-44-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-43-0x0000000074FA0000-0x0000000074FD9000-memory.dmp

      Filesize

      228KB

    • memory/3656-42-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-18-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-19-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-20-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-27-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-22-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-25-0x0000000074BC0000-0x0000000074BF9000-memory.dmp

      Filesize

      228KB

    • memory/3656-26-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-28-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-29-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-31-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-51-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-40-0x0000000074FA0000-0x0000000074FD9000-memory.dmp

      Filesize

      228KB

    • memory/3656-32-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-33-0x0000000074FA0000-0x0000000074FD9000-memory.dmp

      Filesize

      228KB

    • memory/3656-34-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-35-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-36-0x0000000074FA0000-0x0000000074FD9000-memory.dmp

      Filesize

      228KB

    • memory/3656-37-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3656-38-0x0000000000400000-0x00000000007C8000-memory.dmp

      Filesize

      3.8MB

    • memory/3696-9-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-10-0x00000000057B0000-0x00000000057C0000-memory.dmp

      Filesize

      64KB

    • memory/3696-2-0x00000000053D0000-0x000000000546C000-memory.dmp

      Filesize

      624KB

    • memory/3696-1-0x0000000000580000-0x0000000000A26000-memory.dmp

      Filesize

      4.6MB

    • memory/3696-12-0x000000000C310000-0x000000000C376000-memory.dmp

      Filesize

      408KB

    • memory/3696-0-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-23-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-11-0x0000000009430000-0x0000000009884000-memory.dmp

      Filesize

      4.3MB

    • memory/3696-7-0x0000000005710000-0x0000000005766000-memory.dmp

      Filesize

      344KB

    • memory/3696-6-0x00000000054C0000-0x00000000054CA000-memory.dmp

      Filesize

      40KB

    • memory/3696-8-0x00000000056B0000-0x00000000056C8000-memory.dmp

      Filesize

      96KB

    • memory/3696-5-0x00000000057B0000-0x00000000057C0000-memory.dmp

      Filesize

      64KB

    • memory/3696-4-0x0000000005520000-0x00000000055B2000-memory.dmp

      Filesize

      584KB

    • memory/3696-3-0x0000000005A30000-0x0000000005FD4000-memory.dmp

      Filesize

      5.6MB