Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 07:46

General

  • Target

    file.exe

  • Size

    2.4MB

  • MD5

    510ef6656d676509abf2ff0e28ecda55

  • SHA1

    0f61ea4fff3a4160ee5eadbec3ee35506c98b10f

  • SHA256

    42925f90758bbcac4f02d0f58e671ef5d071e1f528a3aa2b4cfa7715da9ff215

  • SHA512

    08870978ef501a7dfe0a1f0042a5373ce70f50308f6929d1940434a27fdc61ec230ac0df4d80299ab82ec05ef6263a3bc40ebf82b17d32074f5ca6000764ba0a

  • SSDEEP

    49152:TQ4wKF7TllIgRYTR+Y27rZ8xpIEHxHGfq779f2Ucsfly0RPnu8Cmvf:hTvIgRYTR/8wGEHxLn1TfIUPgmv

Malware Config

Extracted

Family

stealc

Botnet

hate

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:1660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1832-0-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-1-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-2-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-3-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-4-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-5-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-6-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-7-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-8-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-9-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-10-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-11-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-12-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-13-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-14-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-15-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-16-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB

  • memory/1832-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1832-36-0x0000000000090000-0x0000000000C7A000-memory.dmp

    Filesize

    11.9MB