Analysis

  • max time kernel
    24s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    30-07-2024 21:53

General

  • Target

    sbHBAhjbsa.exe

  • Size

    41KB

  • MD5

    afbb43b44b95fecee1d017414031254b

  • SHA1

    d9546073e6a5da4b684ce8e86cef8bfb2354f18a

  • SHA256

    d09bafb8d1a2c81142d5ebc9d259810e731a645774f6a0967dfcc18e32ca7dd6

  • SHA512

    9e7453b66c83cafc9f0c0fc46cd17568a80e84793f7c6f28d21c8236ca16cd549ff8f1383e1b20dccbce26dd4f48a60ac3a43187f0c452412e1aee232a1bbdc2

  • SSDEEP

    768:7scWsQj++y0WybOVioqwluZFenWTjMKZKfgm3EhRA:gcB+6GenWTwF7ErA

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1265115897622822922/sKHSkvAozNOKztWBy15s30wzxno1ChZP19kVme6i0-pZiewoQf_88CDgmR0iIigJbbL4

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.

  • 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\sbHBAhjbsa.exe
    "C:\Users\Admin\AppData\Local\Temp\sbHBAhjbsa.exe"
    1⤵
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3040 -s 1652
      2⤵
        PID:2768

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3040-0-0x000007FEF5A63000-0x000007FEF5A64000-memory.dmp

      Filesize

      4KB

    • memory/3040-1-0x00000000009D0000-0x00000000009E0000-memory.dmp

      Filesize

      64KB

    • memory/3040-2-0x000007FEF5A60000-0x000007FEF644C000-memory.dmp

      Filesize

      9.9MB

    • memory/3040-3-0x000007FEF5A60000-0x000007FEF644C000-memory.dmp

      Filesize

      9.9MB