Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 20:07

General

  • Target

    CBC018A005962DA8C30C9D42BEC99A40.exe

  • Size

    3.5MB

  • MD5

    cbc018a005962da8c30c9d42bec99a40

  • SHA1

    741ccfeea32c4e20b697b0d1e18f0107aefc7930

  • SHA256

    01eea1c612f5b1552e0c7e4fa4f53b58339f1bdbac5055d717a5d2fdb4272ccf

  • SHA512

    2e9ec85ae686e2660df5a5079413006598c2c16c2e8b59c224c0e044c365a1f90d87fe946478ea10c54b3e31c05e5723a2befb3270457cb7481bb31910c66859

  • SSDEEP

    49152:CR/KpmZubPf2S8W2ILeWl+C1Z9jWy5Snd0eigXNu5vlM:k/jtYLP1Cy5E0zFlM

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://5.230.253.197

Attributes
  • url_path

    /46ea3ef0390e13b4.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Drops desktop.ini file(s) 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe
    "C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/5112-0-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

    Filesize

    4KB

  • memory/5112-1-0x0000000003670000-0x00000000038AC000-memory.dmp

    Filesize

    2.2MB

  • memory/5112-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/5112-64-0x0000000000400000-0x000000000078E000-memory.dmp

    Filesize

    3.6MB

  • memory/5112-94-0x0000000003670000-0x00000000038AC000-memory.dmp

    Filesize

    2.2MB

  • memory/5112-97-0x0000000003670000-0x00000000038AC000-memory.dmp

    Filesize

    2.2MB