Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    23-04-2024 11:18

General

  • Target

    Tax_Document/ielib32.dll

  • Size

    110.0MB

  • MD5

    2a7800c9c6946b0ca7fc001718200077

  • SHA1

    8ad125f9606f52cd24a1826c758be7ad8f8efb87

  • SHA256

    d6ac1a49418337697b101c8f9deb76e7a4c865948eafe7b8b3c9beac5ec41877

  • SHA512

    609f1ae90d783c43a9956b2fd5add64787608ea7fa78605fdc5b507f745e7c9a6d086b55193858e13e9c1df53dce40e0cb9032468d6913b63b3004b2dcd0ae0a

  • SSDEEP

    393216:3rmKSPoTsWbbh7nkM/RNc4Y/kyZpJI+4:bmwsi1D2kyZo

Malware Config

Extracted

Family

darkgate

Botnet

seal001

C2

185.196.220.194

Attributes
  • anti_analysis

    false

  • anti_debug

    false

  • anti_vm

    false

  • c2_port

    80

  • check_disk

    false

  • check_ram

    false

  • check_xeon

    false

  • crypter_au3

    false

  • crypter_dll

    false

  • crypter_raw_stub

    false

  • internal_mutex

    mhRnEzBH

  • minimum_disk

    100

  • minimum_ram

    4096

  • ping_interval

    6

  • rootkit

    false

  • startup_persistence

    false

  • username

    seal001

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 20 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Tax_Document\ielib32.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\Tax_Document\ielib32.dll
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\SysWOW64\regsvr32.exe"
        3⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2980
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*SentinelOne" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\SentinelOne.dll",EntryPoint /f & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*SentinelOne" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\SentinelOne.dll",EntryPoint /f
          4⤵
          • Adds Run key to start application
          PID:2476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2908-12-0x0000000010000000-0x0000000011A7C000-memory.dmp

    Filesize

    26.5MB

  • memory/2908-2-0x0000000010000000-0x0000000011A7C000-memory.dmp

    Filesize

    26.5MB

  • memory/2908-0-0x0000000010000000-0x0000000011A7C000-memory.dmp

    Filesize

    26.5MB

  • memory/2908-6-0x0000000010000000-0x0000000011A7C000-memory.dmp

    Filesize

    26.5MB

  • memory/2980-26-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-30-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-10-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2980-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2980-14-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-13-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-22-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-28-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-3-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-24-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-20-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-8-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2980-18-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-16-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-32-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-34-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-36-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-38-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-39-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-41-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-40-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB

  • memory/2980-42-0x00000000000D0000-0x0000000000143000-memory.dmp

    Filesize

    460KB