Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29-05-2024 15:08

General

  • Target

    New-Client.exe

  • Size

    28KB

  • MD5

    ca355f6a7c3020da3088ebf00add996e

  • SHA1

    27b806957a0c4ead6bd0e24a7c4cbad82a15b12d

  • SHA256

    527b346f79634136a0d72b1ab2288d9d9f4b75a2b7f6530edfb4c83b40b12590

  • SHA512

    9170dd9074c7473b89381ee121442cb1d2ccda98a859884e301f42615e57e6452ed10c92046c98970db1a2d0546fd027929b2f22562f8d1fd8bea42c781c1379

  • SSDEEP

    768:bp+/+6j/w9cb/Qqa45N+oN3DiRKEEh1Tj:bp+D/w9q/9zCokRKEEr

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    07903088

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/J0uqtmU4

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New-Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1636-0-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/1636-1-0x0000000000970000-0x000000000097C000-memory.dmp

    Filesize

    48KB

  • memory/1636-2-0x0000000005400000-0x000000000549C000-memory.dmp

    Filesize

    624KB

  • memory/1636-3-0x00000000054F0000-0x0000000005556000-memory.dmp

    Filesize

    408KB

  • memory/1636-4-0x0000000074920000-0x00000000750D1000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-5-0x00000000061F0000-0x0000000006796000-memory.dmp

    Filesize

    5.6MB

  • memory/1636-6-0x0000000007640000-0x00000000076D2000-memory.dmp

    Filesize

    584KB

  • memory/1636-7-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/1636-8-0x0000000074920000-0x00000000750D1000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-9-0x0000000001300000-0x000000000130E000-memory.dmp

    Filesize

    56KB