Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 23:27

General

  • Target

    file.exe

  • Size

    2.4MB

  • MD5

    1552573045f153aa7269a30d3a1dd151

  • SHA1

    d07f6a1ffcc0bd98a80ba1d5574425a2bd1d3d23

  • SHA256

    d87490fe72c11df8476414b03d613fff99a59894193c25121bde71c745b91c5d

  • SHA512

    8301e552f8d1019bfc9e85d6249e329b767b95b7092d537129665d96ba62427b7a806c97b97ce0f314cd34a7675852b3f553519b03304bd12831eafeac446460

  • SSDEEP

    49152:fUJ0tlSm5vh9dwM4tYensXVh9uZl3Rh7LRCFIg6EWkJeectmfdF:M2VR4t/sFbgdRh7CWeeeww

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 10 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:1824
    • 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:1980
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1824-0-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/1824-2-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-3-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-4-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-5-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/1824-6-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-7-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-8-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-9-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-10-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-11-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB

  • memory/1824-12-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1824-30-0x0000000000DF0000-0x00000000019DD000-memory.dmp

    Filesize

    11.9MB