Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2024 19:59

General

  • Target

    4e90cbff460414a9bd5b8ba2c9680bca2f85d3a38b4d2b2242f8c176d102f72f.exe

  • Size

    202KB

  • MD5

    b9c81870733125e8ce37bd69ca0dd5fa

  • SHA1

    331ce4e42c1f05984d0dfe8def855513f2209711

  • SHA256

    4e90cbff460414a9bd5b8ba2c9680bca2f85d3a38b4d2b2242f8c176d102f72f

  • SHA512

    18678d2cfb07fdd05c50ac41d12d12c5e47cd44d18931ee5c3ba94510093ca155dbda0580df87d03a9885c9c6034a49bc90a9fde73c9a601f48d654db56c0632

  • SSDEEP

    3072:+WKxaOMqLfy1wPgNY01xznuiOsL7dNUUs/VkVbs+5XOORED9:XK/LK2PgTdIsL7/UUkVqy

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.79

Attributes
  • url_path

    /3886d2276f6914c4.php

rc4.plain

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e90cbff460414a9bd5b8ba2c9680bca2f85d3a38b4d2b2242f8c176d102f72f.exe
    "C:\Users\Admin\AppData\Local\Temp\4e90cbff460414a9bd5b8ba2c9680bca2f85d3a38b4d2b2242f8c176d102f72f.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1888-2-0x0000000000220000-0x000000000023C000-memory.dmp

    Filesize

    112KB

  • memory/1888-1-0x0000000000950000-0x0000000000A50000-memory.dmp

    Filesize

    1024KB

  • memory/1888-3-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB

  • memory/1888-4-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB

  • memory/1888-6-0x0000000000950000-0x0000000000A50000-memory.dmp

    Filesize

    1024KB

  • memory/1888-15-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1888-44-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB

  • memory/1888-49-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB