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Analysis

  • max time kernel
    92s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 01:32

General

  • Target

    bd4ff54109265b066ce317359fb34291.exe

  • Size

    46KB

  • MD5

    bd4ff54109265b066ce317359fb34291

  • SHA1

    3f2d4e7e438b289fe26f702891fb0b27d77d6206

  • SHA256

    cdb225bf9fab15e0da4c6ef0bde9c3c4da253e550daf3701ca37de01c375137b

  • SHA512

    8354128cc45d8556566c09a4e4ac96cb19562922bd19e60d6a6eb1e8b98c9592cc66ce29da206b9463b1411224cf06225dddd8f7023c4bf1c9c3ecfc10550f3d

  • SSDEEP

    768:WRR/vW6qLhY8Yh7omMBuZoLrB8TjxKZKfgm3EhTAAKrlUI:WH/O6ALYp+LV8T9F7EhA7

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/877654937629245530/_NPn4dc9lYtPFjYq7L8cDS0JImKZLYl8cGrfTpuYoOtcrOyBFr_Kcszk73ZTQrVFTIvj

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 2 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd4ff54109265b066ce317359fb34291.exe
    "C:\Users\Admin\AppData\Local\Temp\bd4ff54109265b066ce317359fb34291.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
    PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2512-0-0x0000000000EC0000-0x0000000000ED0000-memory.dmp

    Filesize

    64KB

  • memory/2512-1-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB

  • memory/2512-2-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB

  • memory/2512-3-0x000000001BB90000-0x000000001BBA0000-memory.dmp

    Filesize

    64KB

  • memory/2512-7-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB