Analysis

  • max time kernel
    20s
  • max time network
    23s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-08-2023 16:58

General

  • Target

    drexgrabber.exe

  • Size

    41KB

  • MD5

    03c35bba6b01980923da47f1667603b2

  • SHA1

    96c14621d1d4580b8dc1ba7174ef168591aba8cc

  • SHA256

    ba9b66e4af028959aaac31aa6d74a09e9e4cd8bc31fce00250328e4ab8053f86

  • SHA512

    40b322aab326fa3c15433701dd912b5a4b688145422e7b1c2419e4589360adb4a36411f69322017c4a86bcf44bcb02993a7df3ecf35211ed9d635187397d6738

  • SSDEEP

    768:5scaIyIqEemmpKYgGz3wVuZ/e6WTjeKZKfgm3EhhA:mc1eBZve6WTKF7E7A

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1140322513755308185/Zru5R3Imi_p01TgXsYXxo8TZXbXieCp0T3GFCAc9QSwVsz6QVcpQ1RBn2uKCL3z4leIA

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
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\drexgrabber.exe
    "C:\Users\Admin\AppData\Local\Temp\drexgrabber.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:60

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/60-120-0x0000000000770000-0x0000000000780000-memory.dmp

    Filesize

    64KB

  • memory/60-121-0x00007FFC00510000-0x00007FFC00EFC000-memory.dmp

    Filesize

    9.9MB

  • memory/60-122-0x0000000002810000-0x0000000002820000-memory.dmp

    Filesize

    64KB

  • memory/60-123-0x00007FFC00510000-0x00007FFC00EFC000-memory.dmp

    Filesize

    9.9MB

  • memory/60-125-0x00007FFC00510000-0x00007FFC00EFC000-memory.dmp

    Filesize

    9.9MB