Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2024 09:38

General

  • Target

    7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe

  • Size

    680KB

  • MD5

    c4ac7a7ee7a9529b0148d9a64c43801b

  • SHA1

    f069ce0f887af125aa606f004f0b7baaf725f300

  • SHA256

    7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d

  • SHA512

    6b4bb83cb7ef91ca6c524b05c50017f8a9b3acadbc2122e557990ecf5e16573f121ee6c95f9bf25afec28a66ef95881ccbe8a2197a03891031839616124caccb

  • SSDEEP

    12288:HykVitmN3AUK9io6BF74ZNNuJby8gAmp+U0KtQRJxYTIEs:HykYAF74BuJEAmp+5Kmhx

Malware Config

Extracted

Family

stealc

Botnet

LogsDiller

C2

http://77.220.212.32

Attributes
  • url_path

    /eb51242cada87444.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe
    "C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3284
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3300 -s 1484
      2⤵
      • Program crash
      PID:2320
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3300 -ip 3300
    1⤵
      PID:4172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\chrome.dll

      Filesize

      676KB

      MD5

      eda18948a989176f4eebb175ce806255

      SHA1

      ff22a3d5f5fb705137f233c36622c79eab995897

      SHA256

      81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

      SHA512

      160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

    • memory/3300-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

      Filesize

      1024KB

    • memory/3300-2-0x0000000004860000-0x000000000493A000-memory.dmp

      Filesize

      872KB

    • memory/3300-3-0x0000000000400000-0x00000000006ED000-memory.dmp

      Filesize

      2.9MB

    • memory/3300-12-0x0000000000400000-0x00000000006ED000-memory.dmp

      Filesize

      2.9MB

    • memory/3300-11-0x0000000004860000-0x000000000493A000-memory.dmp

      Filesize

      872KB

    • memory/3300-10-0x0000000000400000-0x0000000002BAE000-memory.dmp

      Filesize

      39.7MB