Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    28-07-2024 18:14

General

  • Target

    main.exe

  • Size

    41KB

  • MD5

    1376ca3331a572011802d014bd08230d

  • SHA1

    e5b7e5b818f7782a417deef0e82ab90905b5e804

  • SHA256

    276680ca48b7ed3b2d66785994c277ed43489f794f33ab50bc228d3735fbf87d

  • SHA512

    8ad147272cdec3d745ef537b6dc6af1bf4f57595e83f9d2576120ceb050d3255ca7fca07937f1e87b0c59a33da6636c5ad188bd7fe6b2246022363f472a51a44

  • SSDEEP

    768:DscaIiIde8/o5M/BgwGuZAegWTjTQKZKfgm3EhbZ:Yc1Xe8hOegWTQF7ExZ

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1267155504807809044/MO_j6kNKEqhxkpUWBV5u4GUzyy_k0_RrISBuadodAGvRK7ovoI0WSOWJ9MeIuvEEiXfG

Signatures

  • Mercurial Grabber Stealer

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

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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\main.exe
    "C:\Users\Admin\AppData\Local\Temp\main.exe"
    1⤵
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2240 -s 1760
      2⤵
        PID:2568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2240-0-0x000007FEF6273000-0x000007FEF6274000-memory.dmp

      Filesize

      4KB

    • memory/2240-1-0x0000000000AC0000-0x0000000000AD0000-memory.dmp

      Filesize

      64KB

    • memory/2240-2-0x000007FEF6270000-0x000007FEF6C5C000-memory.dmp

      Filesize

      9.9MB

    • memory/2240-3-0x000007FEF6273000-0x000007FEF6274000-memory.dmp

      Filesize

      4KB

    • memory/2240-4-0x000007FEF6270000-0x000007FEF6C5C000-memory.dmp

      Filesize

      9.9MB