Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    14-07-2024 17:58

General

  • Target

    46e6c436a041deab1d6bcdc4c424cc63_JaffaCakes118.exe

  • Size

    42KB

  • MD5

    46e6c436a041deab1d6bcdc4c424cc63

  • SHA1

    83bcb9874c19f6e49be2adc727a397c4b32de5e5

  • SHA256

    6125f85c79a7de2a11ff6983f4a6d5099671adf5e934d8671d7bc513967dcc18

  • SHA512

    de824ccf9467e0b28ad7553c4f115649438f4131ab5b3fa8acb9b09ec8a43c58317e80ed7f8ba0daee5c8989f48c2bdfd42987c75f41ae4f2d5e4297d95690df

  • SSDEEP

    768:OnUlGNWkT1bCtYTHACuZHLLUpTjgQKZKfgm3EhRh:OnUEPBCtYTgjLLUpTMQF7Enh

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/893135694946508820/OHqgDevMX-a0Tnj9d-qoH0nsLrmD4ZymtC5GfUMN6XnkAEER1pMPeHvk5Q3hlNP3nyWR

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\46e6c436a041deab1d6bcdc4c424cc63_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\46e6c436a041deab1d6bcdc4c424cc63_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
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2816 -s 1712
      2⤵
        PID:2652

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2816-0-0x000007FEF5493000-0x000007FEF5494000-memory.dmp

      Filesize

      4KB

    • memory/2816-1-0x0000000001020000-0x0000000001030000-memory.dmp

      Filesize

      64KB

    • memory/2816-2-0x000007FEF5490000-0x000007FEF5E7C000-memory.dmp

      Filesize

      9.9MB

    • memory/2816-3-0x000007FEF5493000-0x000007FEF5494000-memory.dmp

      Filesize

      4KB

    • memory/2816-4-0x000007FEF5490000-0x000007FEF5E7C000-memory.dmp

      Filesize

      9.9MB