Analysis

  • max time kernel
    10s
  • max time network
    13s
  • 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 14:33

General

  • Target

    niga.exe

  • Size

    42KB

  • MD5

    8ba18924c7f860703953423b641565bf

  • SHA1

    baf21833047a1bb8cfff4adaae6dbba0262415e5

  • SHA256

    223bcaf12720be7ff36059757ce3c8d30102ee409ef9014e857c37179532a132

  • SHA512

    6150344eb25ce9a29f4281eecf5a14b8a0199dea6bb014941a8cff0a05340662d99e916b0466ec9d990c64044dc3e5010fbac7638eba1a8b8e03abf8ed4d958a

  • SSDEEP

    768:SODdt/Boge5b0DuZeLWhTjsKZKfgm3Ehcb:SOf+WlLWhT4F7Eub

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1119742399699230783/6Tji0s9YCL14TFN7Va49sn_aGPLrm5Wq9dfZQ41YrVsv2dX8iirXnEaZ5BDU5NFuEe6_

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\niga.exe
    "C:\Users\Admin\AppData\Local\Temp\niga.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:4912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4912-0-0x0000000000B30000-0x0000000000B40000-memory.dmp

    Filesize

    64KB

  • memory/4912-1-0x00007FFEB0B90000-0x00007FFEB1651000-memory.dmp

    Filesize

    10.8MB

  • memory/4912-2-0x000000001B860000-0x000000001B870000-memory.dmp

    Filesize

    64KB