Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 18:55

General

  • Target

    6ba867420e102e3459cf65b9fdf49da2_JaffaCakes118.exe

  • Size

    197KB

  • MD5

    6ba867420e102e3459cf65b9fdf49da2

  • SHA1

    619c4d83e8d8311b80c9278ee89d8c98570b85d3

  • SHA256

    74cd917620b9b29722b1b54e631eeae9ed4ae7692b20d05077e7c7a303ba5f68

  • SHA512

    6edd329f4370a5ecc8089a28f68f26f2cb02e2b4a94dc0fd026709666266a3ffd9c4ec7f5017b151b2bee5e08909a35a6b5b5cb99ec75b80463f8917d53f3c90

  • SSDEEP

    1536:vJGSoeLR9TOF7Ee2/DVasc/D9Pc6fwyIC:vJseLPTOF7Ee2/DVasc/D906fwyIC

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/891741010659532870/Fb4tVm91Py8JGE7gysQQ8S7QnkoNe6K-smtrNqOVS36LnT2F-lYVW7i9GZOHJcE2QjVT

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 3 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 2 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ba867420e102e3459cf65b9fdf49da2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6ba867420e102e3459cf65b9fdf49da2_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
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2188 -s 1408
      2⤵
        PID:2676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2188-0-0x000007FEF5173000-0x000007FEF5174000-memory.dmp

      Filesize

      4KB

    • memory/2188-1-0x0000000000870000-0x00000000008A6000-memory.dmp

      Filesize

      216KB

    • memory/2188-2-0x000007FEF5170000-0x000007FEF5B5C000-memory.dmp

      Filesize

      9.9MB

    • memory/2188-3-0x000007FEF5173000-0x000007FEF5174000-memory.dmp

      Filesize

      4KB

    • memory/2188-4-0x000007FEF5170000-0x000007FEF5B5C000-memory.dmp

      Filesize

      9.9MB

    • memory/2188-5-0x000007FEF5170000-0x000007FEF5B5C000-memory.dmp

      Filesize

      9.9MB