Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 21:02

General

  • Target

    2cc56a074e1830da63ff3270f727501d_JaffaCakes118.exe

  • Size

    54KB

  • MD5

    2cc56a074e1830da63ff3270f727501d

  • SHA1

    b93a9e8e31374ecba2a42b2251b41ca2039c9871

  • SHA256

    596f41381850269841d2f7f06e93dd83208602ea72f7481a184a23dcb85f8e85

  • SHA512

    b45bcea67972dcb71c979b2474ce0c6eede54853e2fc82cd14f688dc9d0ceaa6aa4b7b9b3bc3ffa47a191716d4aecf0d9625b31ce426fa8fa08281f460c222c3

  • SSDEEP

    768:3AW0Y/Kxsha9jriFuOlK3Tji4FdGf0WBREhDp5al8:v58jOluTrUnEb5ay

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/900147558809227264/p2mowWjB62_77xZo8JLdXgMLepDcXYcbZ5-Bk6wmk7xKTfcu4J3iotYz4Oc_1INf-Jut

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\2cc56a074e1830da63ff3270f727501d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2cc56a074e1830da63ff3270f727501d_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:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1780-0-0x0000000000DD0000-0x0000000000DE4000-memory.dmp

    Filesize

    80KB

  • memory/1780-1-0x00007FFD39670000-0x00007FFD3A131000-memory.dmp

    Filesize

    10.8MB

  • memory/1780-2-0x000000001BA20000-0x000000001BA30000-memory.dmp

    Filesize

    64KB

  • memory/1780-8-0x00007FFD39670000-0x00007FFD3A131000-memory.dmp

    Filesize

    10.8MB