Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 11:24

General

  • Target

    f5a8b8cfa0fdf5222c2d163c9b98e366_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    f5a8b8cfa0fdf5222c2d163c9b98e366

  • SHA1

    292625e126bc1a74819220b803b48e3a08b7855b

  • SHA256

    9be991e72ded580a61a4e57c32ddf7fa62959878414078edda71c1f2178672bf

  • SHA512

    5e3ac3bed022c9d9d648713aa3732796b36b2e5b2e089857132bff20531a239495b6f8bd9162231fcb912ac1e2dd02e3abb7ecd4b613057cd184d3aa12a6099f

  • SSDEEP

    49152:KesB9kvW2qx3FuhzaSCjPQov8OnqIt7jVRgUezC0lXWm5ZKZDfDAu:j/v45bj117RKU25Wm5M

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/877756692006318132/wv2tatnT6WHFx8av_Ka4KcRdwz19-L6h0TWkYupv-a0XGX1YUV09zIaN-ZZhgN-KbHhk

Signatures

  • Mercurial Grabber Stealer

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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 2 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.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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\f5a8b8cfa0fdf5222c2d163c9b98e366_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5a8b8cfa0fdf5222c2d163c9b98e366_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Maps connected drives based on registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1704-0-0x00000000004D0000-0x0000000000CEE000-memory.dmp

    Filesize

    8.1MB

  • memory/1704-1-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-2-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-3-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-4-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-5-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-6-0x0000000077494000-0x0000000077496000-memory.dmp

    Filesize

    8KB

  • memory/1704-9-0x00000000004D0000-0x0000000000CEE000-memory.dmp

    Filesize

    8.1MB

  • memory/1704-10-0x00000000004D0000-0x0000000000CEE000-memory.dmp

    Filesize

    8.1MB

  • memory/1704-11-0x0000000005C90000-0x0000000006234000-memory.dmp

    Filesize

    5.6MB

  • memory/1704-12-0x0000000005780000-0x0000000005812000-memory.dmp

    Filesize

    584KB

  • memory/1704-13-0x0000000008880000-0x00000000088E6000-memory.dmp

    Filesize

    408KB

  • memory/1704-15-0x00000000004D0000-0x0000000000CEE000-memory.dmp

    Filesize

    8.1MB

  • memory/1704-16-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-17-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-18-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-20-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB

  • memory/1704-21-0x0000000076660000-0x0000000076750000-memory.dmp

    Filesize

    960KB