Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 20:38

General

  • Target

    fd99a498bc6a275026a8f807cb899ed8_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    fd99a498bc6a275026a8f807cb899ed8

  • SHA1

    05978d032b57d7ea3e14f3b95854fba06b8bda65

  • SHA256

    c95ce2d4b20cf124ae296c43ba8b6c5a86915f0bf58bf24f5f209327281c6a37

  • SHA512

    0acd478688f3d13abc595baa1fe4438401cadc99bbd2c512c977c761bce3e842192595ebd30c9f2258aa1d8ff47fe4c758d82056010a06e6b5380b08c40a61e2

  • SSDEEP

    768:UscabfwOAMemmye/Gz3wbpuZbjeEWTjZKZKfgm3Ehgu:7cICBYreEWTdF7EGu

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/875705130425675786/pTvHQZF0n_hmm-FZWxnbmf9w4o4qqq6XS93suCSw3Is5hCnb3iOgv6sW9aDuJJksIPRK

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.

  • 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\fd99a498bc6a275026a8f807cb899ed8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd99a498bc6a275026a8f807cb899ed8_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:1668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1668-0-0x0000000000350000-0x0000000000360000-memory.dmp

    Filesize

    64KB

  • memory/1668-1-0x00007FFE4B920000-0x00007FFE4C3E1000-memory.dmp

    Filesize

    10.8MB

  • memory/1668-2-0x000000001B010000-0x000000001B020000-memory.dmp

    Filesize

    64KB

  • memory/1668-8-0x00007FFE4B920000-0x00007FFE4C3E1000-memory.dmp

    Filesize

    10.8MB