Analysis

  • max time kernel
    94s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 20:00

General

  • Target

    f68dd4bba65bf4f6584b1aa4fd74abe5_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    f68dd4bba65bf4f6584b1aa4fd74abe5

  • SHA1

    03fb29723cb3ca5fd7714c49ad77ccf0bb293b00

  • SHA256

    7f396801cd173497e6f6e6454570b56827a0ad3de1dd59dd126dcddde6960e3b

  • SHA512

    a1772565c2dd03e9aceeea848684be68bcd0e3e3da183291605439644c10d9f1b523a421df0771dfac23bf3a98efe8fe53b3d2715118cfbf5b8da0771d22e020

  • SSDEEP

    24576:kHCVlWCcYIGjJnIabGo0l1vQ0HKcg464OJGQcOAjE46:kCelGFxGou1nHDdlOJGx56

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/866300914012782599/XsqQroUsIGROEaXEklV70vXvaKgEn9lzpilIbakUXKsIJJX7p57IVSxxh1truJ8qV0la

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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Program crash 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f68dd4bba65bf4f6584b1aa4fd74abe5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f68dd4bba65bf4f6584b1aa4fd74abe5_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
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • 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 SetWindowsHookEx
    PID:4708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 2592
      2⤵
      • Program crash
      PID:5016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4708 -ip 4708
    1⤵
      PID:628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4708-0-0x00000000006E0000-0x0000000000A56000-memory.dmp

      Filesize

      3.5MB

    • memory/4708-1-0x00000000006E0000-0x0000000000A56000-memory.dmp

      Filesize

      3.5MB

    • memory/4708-3-0x00000000006E0000-0x0000000000A56000-memory.dmp

      Filesize

      3.5MB

    • memory/4708-2-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/4708-4-0x00000000057A0000-0x00000000057B0000-memory.dmp

      Filesize

      64KB

    • memory/4708-6-0x0000000006C80000-0x0000000006CE6000-memory.dmp

      Filesize

      408KB

    • memory/4708-11-0x00000000006E0000-0x0000000000A56000-memory.dmp

      Filesize

      3.5MB

    • memory/4708-12-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB