Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2024, 19:11

General

  • Target

    17aee2f8a490eb8f5ae8d66e449dc8ca50d430a210f3bc101a6b04ff5f4a5deb.exe

  • Size

    325KB

  • MD5

    9152a9f583a0fa78948361d073385d69

  • SHA1

    a1fd6c642e26be0cbde469d442a8091b04c441db

  • SHA256

    17aee2f8a490eb8f5ae8d66e449dc8ca50d430a210f3bc101a6b04ff5f4a5deb

  • SHA512

    fd909b0b2b7eb1c0e6d99b11d6cce112ea2ef677400680c6ca1e678e504590e63f5ac8f057097b45b0ea3a9b6583ea05f1a14d34eabaf1907e9c4e51d20cfa44

  • SSDEEP

    3072:IcWDjPBDfpm3DX18blsV+GxuCa41l7+v6XCW5DZg9jzkDaVuvrOY9g3U5pRyFusw:0LcTaGVK27+vDBVmrOv3Uv6b/5

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 8 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 8 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 2 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17aee2f8a490eb8f5ae8d66e449dc8ca50d430a210f3bc101a6b04ff5f4a5deb.exe
    "C:\Users\Admin\AppData\Local\Temp\17aee2f8a490eb8f5ae8d66e449dc8ca50d430a210f3bc101a6b04ff5f4a5deb.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2864

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • \ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • memory/2864-4-0x0000000000400000-0x0000000001A1B000-memory.dmp

          Filesize

          22.1MB

        • memory/2864-2-0x0000000000220000-0x0000000000247000-memory.dmp

          Filesize

          156KB

        • memory/2864-6-0x0000000001BC0000-0x0000000001CC0000-memory.dmp

          Filesize

          1024KB

        • memory/2864-7-0x0000000000400000-0x000000000063B000-memory.dmp

          Filesize

          2.2MB

        • memory/2864-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/2864-38-0x0000000000400000-0x0000000001A1B000-memory.dmp

          Filesize

          22.1MB

        • memory/2864-1-0x0000000001BC0000-0x0000000001CC0000-memory.dmp

          Filesize

          1024KB

        • memory/2864-3-0x0000000000400000-0x000000000063B000-memory.dmp

          Filesize

          2.2MB

        • memory/2864-66-0x0000000000400000-0x0000000001A1B000-memory.dmp

          Filesize

          22.1MB

        • memory/2864-82-0x0000000000400000-0x000000000063B000-memory.dmp

          Filesize

          2.2MB

        • memory/2864-81-0x0000000001BC0000-0x0000000001CC0000-memory.dmp

          Filesize

          1024KB

        • memory/2864-80-0x0000000000400000-0x0000000001A1B000-memory.dmp

          Filesize

          22.1MB