Analysis

  • max time kernel
    32s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 11:54

General

  • Target

    eb60cc7c8df99ffa730d19c1fd8a16d1_JaffaCakes118.exe

  • Size

    42KB

  • MD5

    eb60cc7c8df99ffa730d19c1fd8a16d1

  • SHA1

    9e936930cad361a08bf4634dae2894389b34fbe6

  • SHA256

    da589f1ca86105eaff9178f50fc6de6a4ea5381e01de84e4ce09ecf06a460d11

  • SHA512

    6ad60fdafc381c37c532cc349fbb4a975757aaae550d6c5919baa8d44b930a063eed0a174dc3031c24694dc64556e410bc1c32c071308baaa10a7982acc98e83

  • SSDEEP

    768:wJoR/gOE1Z+ZW4uZWLDrTjwKZKfgm3EhOl:yiE1MZhLDrTcF7E8l

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/893172291414937600/OHG51KFhZxtIdDyHNOAGDQeKXCSotyo5wauoSbTY2hELfJ51jYHIw_egTH1o6NV5R3YO

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Mercurialgrabber family
  • 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\eb60cc7c8df99ffa730d19c1fd8a16d1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb60cc7c8df99ffa730d19c1fd8a16d1_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:576
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 576 -s 1464
      2⤵
        PID:2740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/576-0-0x000007FEF6423000-0x000007FEF6424000-memory.dmp

      Filesize

      4KB

    • memory/576-1-0x00000000008C0000-0x00000000008D0000-memory.dmp

      Filesize

      64KB

    • memory/576-2-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp

      Filesize

      9.9MB

    • memory/576-3-0x000007FEF6423000-0x000007FEF6424000-memory.dmp

      Filesize

      4KB

    • memory/576-4-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp

      Filesize

      9.9MB

    • memory/576-5-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp

      Filesize

      9.9MB