Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 08:45

General

  • Target

    IMAGE.exe

  • Size

    41KB

  • MD5

    8cfef23d86d26c7b019c2f509a93bf44

  • SHA1

    2464118ba0504ef13b6b2ec9967c0137037af706

  • SHA256

    2f08220ac7f1fc004f4df859c0c382258cccd17c3df6365acf6a94c89c48368a

  • SHA512

    3b8b1ee1009bbe5c19cb39fe1233fb27a47cbed54ffbf152d775f65f92ccf279759fba65487d27edca75adc95c6e5feda4841713cb85ee0514775063807ef977

  • SSDEEP

    768:iscGoAZyCH/gB1wdPuZOeJWTjJKZKfgm3Ehy1:xckTgBseJWT1F7Ew1

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/923874147728232458/ueZK-9vm2atbN4nLZvFSJ_3VaYZFPq7L_XiQMdjB3tIhhJ_eVMiFWiUWekiUfzH_ypmU

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 2 IoCs
  • 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\IMAGE.exe
    "C:\Users\Admin\AppData\Local\Temp\IMAGE.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:2520
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2520 -s 1164
      2⤵
        PID:1852

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2520-0-0x000007FEF4FC3000-0x000007FEF4FC4000-memory.dmp

      Filesize

      4KB

    • memory/2520-1-0x0000000000CF0000-0x0000000000D00000-memory.dmp

      Filesize

      64KB

    • memory/2520-2-0x000007FEF4FC0000-0x000007FEF59AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2520-3-0x000007FEF4FC0000-0x000007FEF59AC000-memory.dmp

      Filesize

      9.9MB