Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-01-2025 00:18

General

  • Target

    JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe

  • Size

    4.0MB

  • MD5

    037ce49f267667b679cbf2fb94001f28

  • SHA1

    b3f0b51f189a62f04817b37d428e8aef9f6b8e7e

  • SHA256

    9d37032e823df7f4a195dfbee978c3a9657dd9e658d6a1708922b3ba8e04675b

  • SHA512

    35779c857861dfc2cfcc57016a8cc1d60caf90eae31f3ab0cece943243eca983a13a8238375cbad499eceb395e841e8047330700775c592a3bee348d16a05160

  • SSDEEP

    49152:NExtvMTqVBGxMQg3Q3cX5C/wnvdAlPjcmYl0XzrT:A0TqnAX

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/874761712887300207/BmuphDWQjfFNAYHKgDrSKEZfCgrbPOvKYqgTtH0j7Fq8wKrMzpEHuiIW7H_YPhGUC74t

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:2920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 2188
      2⤵
      • Program crash
      PID:1600
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2920 -ip 2920
    1⤵
      PID:3900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2920-0-0x000000007452E000-0x000000007452F000-memory.dmp

      Filesize

      4KB

    • memory/2920-1-0x0000000000360000-0x000000000076A000-memory.dmp

      Filesize

      4.0MB

    • memory/2920-2-0x0000000005140000-0x00000000051DC000-memory.dmp

      Filesize

      624KB

    • memory/2920-3-0x0000000005790000-0x0000000005D34000-memory.dmp

      Filesize

      5.6MB

    • memory/2920-5-0x0000000005130000-0x0000000005140000-memory.dmp

      Filesize

      64KB

    • memory/2920-6-0x0000000005400000-0x0000000005492000-memory.dmp

      Filesize

      584KB

    • memory/2920-7-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-8-0x000000007452E000-0x000000007452F000-memory.dmp

      Filesize

      4KB

    • memory/2920-9-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-10-0x00000000083E0000-0x0000000008446000-memory.dmp

      Filesize

      408KB

    • memory/2920-14-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB