Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2022 10:54

General

  • Target

    DOCUMENTO ORDINARIO.exe

  • Size

    4.4MB

  • MD5

    d30119efcade19d0ed3ae5cd84ff7423

  • SHA1

    3ab05af68868dcffc190ce570f9ec53f16116cfd

  • SHA256

    cc65ae06615f6fac3823126248fb294923b983c2c115ff1ab59806f3072b75ef

  • SHA512

    de5a4fa338c620ee94fdd9c64a67df4a78bdbd62d6dfc78a999a04d4ee0a6fd112f7c45c7dfc635690b8c67fd9256584f7ff146f060f63596dbeae26f3afe370

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

vhsivhyugve.duckdns.org:1880

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Signatures

  • BitRAT

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

  • UPX packed file 8 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCUMENTO ORDINARIO.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCUMENTO ORDINARIO.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2000
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/304-71-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-69-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-63-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-75-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-65-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-73-0x0000000000250000-0x000000000025A000-memory.dmp

    Filesize

    40KB

  • memory/304-70-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-66-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-76-0x0000000000250000-0x000000000025A000-memory.dmp

    Filesize

    40KB

  • memory/304-74-0x0000000000250000-0x000000000025A000-memory.dmp

    Filesize

    40KB

  • memory/304-62-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/304-67-0x00000000007E2730-mapping.dmp

  • memory/304-68-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1680-55-0x0000000004D40000-0x00000000050A4000-memory.dmp

    Filesize

    3.4MB

  • memory/1680-54-0x0000000000E80000-0x00000000012EC000-memory.dmp

    Filesize

    4.4MB

  • memory/1680-56-0x0000000075681000-0x0000000075683000-memory.dmp

    Filesize

    8KB

  • memory/2000-61-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2000-60-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2000-59-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2000-57-0x0000000000000000-mapping.dmp