Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 14:39

General

  • Target

    output.exe

  • Size

    41KB

  • MD5

    843a57277980982def2dad520c5a1d0b

  • SHA1

    c2e750363240a1dfd4321bd463dc680b6c7d2bbf

  • SHA256

    bdc9ea17594271c8b3aa4ac3626727a536ed183136ff5a4fc37230c75f92aa2a

  • SHA512

    986a2f795d6c2e03c0b3df06c662ecbe87eaa994cce2c4205065c797832bab9f8a46413492d340e8bc8b5b08fae1b8fc78d4af77e48de9d1ddb5b2bb7eaf3cab

  • SSDEEP

    768:RscaIiIqfT6aGpDXswguZkeKWTj7KZKfgm3EhUB:uc1ofnGEeKWT3F7E2B

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1183780082771312660/evkkPtS32fk9bZmhMVHMdW4u2vZ3bcZYFftzbtuI1wVwu8420wfOaOJZO1ATr3bSelv_

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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\output.exe
    "C:\Users\Admin\AppData\Local\Temp\output.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:4932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4932-0-0x0000000000920000-0x0000000000930000-memory.dmp

    Filesize

    64KB

  • memory/4932-1-0x00007FFF48010000-0x00007FFF48AD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4932-2-0x000000001B610000-0x000000001B620000-memory.dmp

    Filesize

    64KB

  • memory/4932-5-0x00007FFF48010000-0x00007FFF48AD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4932-6-0x000000001B610000-0x000000001B620000-memory.dmp

    Filesize

    64KB