Analysis

  • max time kernel
    69s
  • max time network
    74s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2023 19:29

General

  • Target

    New-Client.exe

  • Size

    28KB

  • MD5

    1f6f0c5ee918ff20b1ad176f51ce84f3

  • SHA1

    c9eba1c9e898fd1230721dd598e9b18580240288

  • SHA256

    c2f1acbee7c4b405ec40a374f801f0715b9920fa586a938443d36eb0ce45e38b

  • SHA512

    b4264e6e05fdf9c2ab7abd7aa8f9228e6a5c82db6658d1683b224503b4099fac7e9e549206877a7402d6724eb773074af7076e64503f467beabf17952711833d

  • SSDEEP

    384:2B+Sbj6NKGnD6N9AHNkA1qDSQsGoZoCjvDKNrCeJE3WNgKcKPgJm3qzaam4rkidG:spGD6N9wNtCwoCD45NrygNaWsa/j

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    123

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/SmQxW7UT

  • 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
  • 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 use of AdjustPrivilegeToken
    PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2464-133-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2464-134-0x0000000000260000-0x000000000026C000-memory.dmp

    Filesize

    48KB

  • memory/2464-135-0x0000000004C50000-0x0000000004CEC000-memory.dmp

    Filesize

    624KB

  • memory/2464-136-0x0000000004BC0000-0x0000000004C26000-memory.dmp

    Filesize

    408KB

  • memory/2464-137-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

    Filesize

    64KB

  • memory/2464-138-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2464-139-0x0000000005A20000-0x0000000005FC4000-memory.dmp

    Filesize

    5.6MB

  • memory/2464-140-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

    Filesize

    64KB