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Analysis

  • max time kernel
    137s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2024, 21:51

General

  • Target

    c6f1a011b83959fb953436fde64e4ff1.exe

  • Size

    94KB

  • MD5

    c6f1a011b83959fb953436fde64e4ff1

  • SHA1

    8c864de8572c93975e3fec6be69c0adbefe1f1a9

  • SHA256

    1227ca6fb3662e062c4246a7fab2ddc137c275343450bd41273970a646451142

  • SHA512

    03268fa5ff46943cafc91c77baa8ea45517ab69d2dcf31853dfdd4543696a980481bf428bc81483a4827a335ab055f8e99ec87c22fede2bba35f6a53b201b359

  • SSDEEP

    1536:XcapFQjXeXWTqF7E5Bz2BeP/+c5p5c+lXSoaLfmT8rXwWdc5fwY:sa0eGTqF7E/z2BePz54+4ocfmIrgW2dP

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/868586628313149541/xV6Dxj6XOiyxxGpXaeG87cOuB2Pkt6ZZIIq5lgpG_uM-PJxv1SvqUH6_TRgnTNbMSciS

Signatures

  • Mercurial Grabber Stealer

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

  • 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 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.

  • 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
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6f1a011b83959fb953436fde64e4ff1.exe
    "C:\Users\Admin\AppData\Local\Temp\c6f1a011b83959fb953436fde64e4ff1.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
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1060
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2284,i,2771196087253062161,8107167670425198948,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3460

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1060-0-0x00000000005E0000-0x00000000005FC000-memory.dmp

      Filesize

      112KB

    • memory/1060-1-0x00007FF8EB4F0000-0x00007FF8EBFB1000-memory.dmp

      Filesize

      10.8MB

    • memory/1060-2-0x0000000000E60000-0x0000000000E70000-memory.dmp

      Filesize

      64KB

    • memory/1060-8-0x00007FF8EB4F0000-0x00007FF8EBFB1000-memory.dmp

      Filesize

      10.8MB