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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2025, 01:51

General

  • Target

    JaffaCakes118_b7c85757b7ad55265a7f0bb86188afc8.exe

  • Size

    46KB

  • MD5

    b7c85757b7ad55265a7f0bb86188afc8

  • SHA1

    66d84ee83a8f77f6bd28897dcd0bba2f3067d710

  • SHA256

    aedc4719e7ffbf96d44eb4bd0f3aecf69367588557532d86a44011a239945cd8

  • SHA512

    23c8a61a008de08bf847b98e59670f5d3f1c89d202c0e616d5b6914286068bbad5a757f9a6fa8decaa8804881ee664066432028dc93922a5056715cee26d5dc7

  • SSDEEP

    768:gbq2HRoQ/hfMuZ7L38Tj/KZKfgm3EhKurOy0AsmSPZ:CmMhfFL38TbF7EQurH0Asm

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/889040433605390356/i5w9PylY_TXxpMqpraZfjKo_vbvCma2uVqxcfENr2KD5beqKB1q1wBGBrwREGuLK5Ez-

Signatures

  • Mercurial Grabber Stealer

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

  • Mercurialgrabber family
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7c85757b7ad55265a7f0bb86188afc8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7c85757b7ad55265a7f0bb86188afc8.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:3972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3972-0-0x00007FF8E41C3000-0x00007FF8E41C5000-memory.dmp

    Filesize

    8KB

  • memory/3972-1-0x0000000000ED0000-0x0000000000EE0000-memory.dmp

    Filesize

    64KB

  • memory/3972-2-0x00007FF8E41C0000-0x00007FF8E4C81000-memory.dmp

    Filesize

    10.8MB

  • memory/3972-6-0x00007FF8E41C0000-0x00007FF8E4C81000-memory.dmp

    Filesize

    10.8MB