Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 03:36

General

  • Target

    fe55cf894784ec325b0c0449bcb6b525_JaffaCakes118.exe

  • Size

    107KB

  • MD5

    fe55cf894784ec325b0c0449bcb6b525

  • SHA1

    fa03b7b21fbe418dc8841512d276f65acc48c401

  • SHA256

    3290db58f3db7f35e89c8a10f721e10ba3bdae232318497fe37fb1e7c5acbe15

  • SHA512

    0a7d7f432b45af4fa9ccc17e868893d603dc01ca8d03088b664b5e3fe665a3086fa4cd6ae324d926a2ccc2bc52c08b8cb67802122f0a11e8e8758f91c13aaecc

  • SSDEEP

    768:ascG4AjJsQjowMuZNe3WTjpKZKfgm3Ehje9NvHevA:5caJsQjHe3WT1F7Ede91He4

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/859817326106378260/FdIPTGyux9k4qvX2QueLFE1kWgoqtDDmMFKXs_LTJqu_iSFtwpmW30iDomDx1ePoFlmq

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\fe55cf894784ec325b0c0449bcb6b525_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fe55cf894784ec325b0c0449bcb6b525_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:220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/220-0-0x0000000000B40000-0x0000000000B60000-memory.dmp

    Filesize

    128KB

  • memory/220-1-0x00007FFB03CB0000-0x00007FFB04771000-memory.dmp

    Filesize

    10.8MB

  • memory/220-2-0x000000001B7E0000-0x000000001B7F0000-memory.dmp

    Filesize

    64KB

  • memory/220-8-0x00007FFB03CB0000-0x00007FFB04771000-memory.dmp

    Filesize

    10.8MB