Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 20:17

General

  • Target

    0f243aa3dcd8c33124e3fa9d3d12c343_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    0f243aa3dcd8c33124e3fa9d3d12c343

  • SHA1

    7ae66af8676fc184ae800a5c6f46ce3943655fa1

  • SHA256

    f514711a78d01f9701310ae3ef72d7dcd78518a4ef355079349c6d3ce7d1cf39

  • SHA512

    eee55390d27109d434f92e3f4c719a30920f0d843ceb36eedde29744fdfbe5e4c97472901da626f9d5d4ea8a5f6405e54ddb32bc6e70f4dfbc023786addc0606

  • SSDEEP

    768:0scG4ApfT6ahzpDXswIuZkeNWTj0KZKfgm3Ehkl:bcKfnhz8eNWTIF7EWl

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/897139619336966215/JnDh4Q-lR3UDGzcnqgYR7VieyLoWfMVkVYrFGteFEdlA3kcMpCdb5ozh-U8qJs12EkbS

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.

  • 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\0f243aa3dcd8c33124e3fa9d3d12c343_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0f243aa3dcd8c33124e3fa9d3d12c343_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:4428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4428-0-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/4428-1-0x00007FFB81160000-0x00007FFB81C21000-memory.dmp

    Filesize

    10.8MB

  • memory/4428-2-0x0000000002F50000-0x0000000002F60000-memory.dmp

    Filesize

    64KB

  • memory/4428-8-0x00007FFB81160000-0x00007FFB81C21000-memory.dmp

    Filesize

    10.8MB