Analysis

  • max time kernel
    43s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 21:06

General

  • Target

    krampus-cracked-main/celex.exe

  • Size

    57KB

  • MD5

    69a50f0c4f89045e1eb9e40f9572eed3

  • SHA1

    6f85531565de2110fffd32c41e2a4dfb302fb2cb

  • SHA256

    627ad8116d070bd8a7f9ccd5b392404d330eb07dcc44a137a550b5addb43f3b1

  • SHA512

    877a3f8a885c743de34b840d9c7e72a083db5d3a9f013898a1e889944d3fa2489ab98814d5582c6202d1a631ef3e6152fdf3ff15c94046366ffc3a9c928e70e3

  • SSDEEP

    768:a/pdgOpRTs+ZeWuZwLpsTjSKZKfgm3EhG8Z2FzQa9T:GpRTNZxLpsTeF7Ew8sz/

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1227755328331055104/yv0O4qpiLKYiPVsNq52ssWn10u8_DYKLpIwqabGIAH6LWtMNT1NnTVGkUAqT7knivE64

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.

  • 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\krampus-cracked-main\celex.exe
    "C:\Users\Admin\AppData\Local\Temp\krampus-cracked-main\celex.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:1720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1720-0-0x0000000000C40000-0x0000000000C54000-memory.dmp

    Filesize

    80KB

  • memory/1720-1-0x00007FFB1F3C0000-0x00007FFB1FE81000-memory.dmp

    Filesize

    10.8MB

  • memory/1720-2-0x0000000001540000-0x0000000001550000-memory.dmp

    Filesize

    64KB

  • memory/1720-8-0x00007FFB1F3C0000-0x00007FFB1FE81000-memory.dmp

    Filesize

    10.8MB