Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 14:16

General

  • Target

    fa7bac648c3984ac087f8698a3b8d9aa_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    fa7bac648c3984ac087f8698a3b8d9aa

  • SHA1

    e75e80efbbb2bbe55b3c839288fb782cd2318a6c

  • SHA256

    b1ecc4ed8adf7b9e33e5e3a0ea97d13d9f5272c36514e5c91b9e1fb97f839ae2

  • SHA512

    5a97559ce2b024966472e2ea45858d74a4d0942e0dc15f950af52053977e66bc8656ad6afb6a7182e2cd3c7dfaab9302f40905298e4d77a089a755eb126b4031

  • SSDEEP

    768:6scabfwOAge8jy5M/BgwXuZFeJWTjTKZKfgm3Eham:ZcILe8HoeJWTvF7EEm

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/875488029408636929/9iQryvEzwkNdwwybu4SUrQJdc641YE8LorRjOuTOdsQ3TkMfTKWqJbwksop17BfgeuHk

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa7bac648c3984ac087f8698a3b8d9aa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fa7bac648c3984ac087f8698a3b8d9aa_JaffaCakes118.exe"
    1⤵
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2956-0-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

    Filesize

    64KB

  • memory/2956-1-0x00007FFA0FA00000-0x00007FFA104C1000-memory.dmp

    Filesize

    10.8MB

  • memory/2956-2-0x00000000014F0000-0x0000000001500000-memory.dmp

    Filesize

    64KB

  • memory/2956-5-0x00007FFA0FA00000-0x00007FFA104C1000-memory.dmp

    Filesize

    10.8MB

  • memory/2956-6-0x00000000014F0000-0x0000000001500000-memory.dmp

    Filesize

    64KB