Analysis

  • max time kernel
    149s
  • max time network
    159s
  • 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 13:58

General

  • Target

    e79dcfec59d7574a33d4df1babbf9ba8_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    e79dcfec59d7574a33d4df1babbf9ba8

  • SHA1

    94ea3ddf5847ce30ff22334b6b1da7679ca5d5e8

  • SHA256

    f1a93508fd94acfb989a6d9de6678e646513afd01ece3189471cc87e789569cf

  • SHA512

    61c12fbc2015168be30d9ce8b32e71c78b570716eb5a5a44df8ecd502dfdbf34860239837207b3b207fdcbc99ffdadb808aef5fa1645e580ae5884ec88413d06

  • SSDEEP

    768:FscG4ApfT6ajQdpDXswQuZkevWTj2sKZKfgm3Eh+9:ScKfnI0evWT9F7E49

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/886666814845755402/8d2suCtc9DoKImt2PFSUR6jFah3d-N_tp_OFIo4RSBn5cxP3MhAe8Vw6k-khLgCuXLv6

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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.

  • 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\e79dcfec59d7574a33d4df1babbf9ba8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e79dcfec59d7574a33d4df1babbf9ba8_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)
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2772-0-0x0000000000330000-0x0000000000340000-memory.dmp

    Filesize

    64KB

  • memory/2772-1-0x00007FFFA11D0000-0x00007FFFA1C91000-memory.dmp

    Filesize

    10.8MB

  • memory/2772-2-0x000000001AF30000-0x000000001AF40000-memory.dmp

    Filesize

    64KB

  • memory/2772-8-0x00007FFFA11D0000-0x00007FFFA1C91000-memory.dmp

    Filesize

    10.8MB