Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 12:17

General

  • Target

    8c56302e1bb1ca54f82f1401d4dca4bc_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    8c56302e1bb1ca54f82f1401d4dca4bc

  • SHA1

    9474e2380c7d7691727db9e5e133f2375baa0648

  • SHA256

    dac5fefaac6714bf92d46a7b46727cc5ce3923a44d85bbd10d3131eb0634dd8f

  • SHA512

    8c2c899437d96309b3d6a368117febe3beda282ee250b711c51ed523c19a461303213884e676e748bcbc4d2904e4d28b641145fcc15b7e7563202da96adf8d5c

  • SSDEEP

    768:HscGoA9CFldwiuZzepWTjLKZKfgm3Eh0n:Mcx0epWTPF7EOn

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/896361721684434965/Fy7qMm_K_TLjnNxylB_Zhvk2nOAF5Sn8AmTIu4ZTm1EvxYDHvpiuT4Wc4Yi3qQSY5IIp

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c56302e1bb1ca54f82f1401d4dca4bc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8c56302e1bb1ca54f82f1401d4dca4bc_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:5092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5092-0-0x0000000000570000-0x0000000000580000-memory.dmp

    Filesize

    64KB

  • memory/5092-1-0x00007FF8AE000000-0x00007FF8AEAC1000-memory.dmp

    Filesize

    10.8MB

  • memory/5092-2-0x0000000000E20000-0x0000000000E30000-memory.dmp

    Filesize

    64KB

  • memory/5092-8-0x00007FF8AE000000-0x00007FF8AEAC1000-memory.dmp

    Filesize

    10.8MB