Analysis

  • max time kernel
    103s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-04-2024 17:38

General

  • Target

    e809649b52bd9fcb52ec1636ec70f540_JaffaCakes118.exe

  • Size

    247KB

  • MD5

    e809649b52bd9fcb52ec1636ec70f540

  • SHA1

    b4ab674182553ac3b69c47187ff9b37224fdf734

  • SHA256

    e2a04279f0167c1ca6d8f5020ad95567b57ce51442a084dcb3b0e850cd5ec927

  • SHA512

    135723a849bb081397954d67bfb5a8202b4deacd7752b8193a0c02567ead6d5eca7908206a322194cfa780cea0d447298f987889de716a7443156067d20b4547

  • SSDEEP

    3072:DU9sLlTzF7EB8gYJLuuuuuuuuU6Naek/wquwTvTjPAPX:D8sIoKvqX

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/876951365916708895/snf0dfZce193Z9aqCVg1U2CQFsB4dW07GOca8p2jO2vdbErdLTc6wezdPFZrvIq5IhUS

Signatures

  • Mercurial Grabber Stealer

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

  • 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 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.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e809649b52bd9fcb52ec1636ec70f540_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e809649b52bd9fcb52ec1636ec70f540_JaffaCakes118.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)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:3244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3244-0-0x0000000000EA0000-0x0000000000EE2000-memory.dmp

    Filesize

    264KB

  • memory/3244-1-0x00007FFC229E0000-0x00007FFC234A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3244-2-0x000000001BC60000-0x000000001BC70000-memory.dmp

    Filesize

    64KB

  • memory/3244-5-0x00007FFC229E0000-0x00007FFC234A1000-memory.dmp

    Filesize

    10.8MB