Resubmissions

16-04-2024 14:20

240416-rnhbgsdg2x 10

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 14:20

General

  • Target

    Tax_Document/Tax_Document.exe

  • Size

    8.7MB

  • MD5

    480f8cf600f5509595b8418c6534caf2

  • SHA1

    dc13258ebb83bdf956523d751f67e29d6e4cf77e

  • SHA256

    6d8905ec0b1dfdc0a10d1cce40714ddd73205a09ad390b933ddbecdcf06a4cf2

  • SHA512

    f0bd99f68d59e80538fb276945d0f383394cb94a35c6d12ebd3e87061222249f78b9ca75716b33e36b66842b97c71149612111fcb6a8a3bc3a97635b03934aaf

  • SSDEEP

    196608:Ywdj1UbkCchr3rlFE8GCWhKUzGZ3gRTFHnBz58//o:Yw91Ubkxhr3rlFHWhKUzGZ3gRTFhzi/o

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

    zsVUqEDO

  • 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 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe
    "C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe
      "C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2424
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*Chrome" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\HEARTB.dll",EntryPoint /f & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*Chrome" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\HEARTB.dll",EntryPoint /f
        3⤵
        • Adds Run key to start application
        PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2424-17-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2424-27-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2424-10-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2424-12-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2424-24-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2424-5-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2424-23-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2424-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2424-22-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2424-19-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2424-16-0x0000000000080000-0x00000000000F3000-memory.dmp

    Filesize

    460KB

  • memory/2756-14-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2756-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2756-15-0x00000000679E0000-0x0000000068081000-memory.dmp

    Filesize

    6.6MB

  • memory/2756-1-0x0000000000F00000-0x00000000017D6000-memory.dmp

    Filesize

    8.8MB

  • memory/2756-2-0x00000000679E0000-0x0000000068081000-memory.dmp

    Filesize

    6.6MB

  • memory/2756-7-0x00000000679E0000-0x0000000068081000-memory.dmp

    Filesize

    6.6MB

  • memory/2756-4-0x00000000679E0000-0x0000000068081000-memory.dmp

    Filesize

    6.6MB

  • memory/2756-3-0x00000000679E0000-0x0000000068081000-memory.dmp

    Filesize

    6.6MB