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Analysis

  • max time kernel
    145s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 19:26

General

  • Target

    syncUpd.exe

  • Size

    314KB

  • MD5

    7d03e5cd75616615792ff5da7f630d43

  • SHA1

    20dbe01340369c1e10fabf28c898c6f9fff1ae34

  • SHA256

    b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903

  • SHA512

    d942769fc2ed3e4a1f6b170a538e8695471857c3c2148ed6c16ed9b148ce962119320e61744e82993c7f73e690828a0022b251ec5ac8d86253f1aeb2d0e43a01

  • SSDEEP

    6144:TARL0o0AGim9r1FTMOI8qdDPhfTgYn79oUq:TARX0AGisfQOIfDln7a

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
    "C:\Users\Admin\AppData\Local\Temp\syncUpd.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1196-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

    Filesize

    1024KB

  • memory/1196-2-0x00000000007A0000-0x00000000007BC000-memory.dmp

    Filesize

    112KB

  • memory/1196-3-0x0000000000400000-0x000000000062E000-memory.dmp

    Filesize

    2.2MB

  • memory/1196-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1196-43-0x0000000000400000-0x000000000062E000-memory.dmp

    Filesize

    2.2MB

  • memory/1196-47-0x0000000000400000-0x000000000062E000-memory.dmp

    Filesize

    2.2MB

  • memory/1196-48-0x00000000007E0000-0x00000000008E0000-memory.dmp

    Filesize

    1024KB

  • memory/1196-49-0x00000000007A0000-0x00000000007BC000-memory.dmp

    Filesize

    112KB

  • memory/1196-57-0x0000000000400000-0x000000000062E000-memory.dmp

    Filesize

    2.2MB

  • memory/1196-61-0x0000000000400000-0x000000000062E000-memory.dmp

    Filesize

    2.2MB