Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2024 01:25

General

  • Target

    5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe

  • Size

    28KB

  • MD5

    4d404ac646564376d34cfbabbfe508ec

  • SHA1

    ffa0d8f480c4f39037be40d1eba0a6b6f9016420

  • SHA256

    5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3

  • SHA512

    6eaa4a5a60bcc3162adc3b7c6247717b602f06de137283e68bd3d1b6f95d80b5b0396fcfa464d056f44b068ec59299d3dca8f10aa04546eb9ed74d8a8944edc5

  • SSDEEP

    384:MB+Sbj6NKanim6txrAHN6XxAqDCkwrEWAvDKNrCeJE3WNgYpkynz4smES05VHED/:qpGx6txrwNpkQEWu45Nsyz4s9SeVYxj

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    79ad_com

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/87JTjcjz

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    services.exe

  • main_folder

    UserProfile

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/87JTjcjz

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe
    "C:\Users\Admin\AppData\Local\Temp\5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\services.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:2588
    • C:\Users\Admin\services.exe
      "C:\Users\Admin\services.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\services.exe

    Filesize

    28KB

    MD5

    4d404ac646564376d34cfbabbfe508ec

    SHA1

    ffa0d8f480c4f39037be40d1eba0a6b6f9016420

    SHA256

    5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3

    SHA512

    6eaa4a5a60bcc3162adc3b7c6247717b602f06de137283e68bd3d1b6f95d80b5b0396fcfa464d056f44b068ec59299d3dca8f10aa04546eb9ed74d8a8944edc5

  • memory/2492-0-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/2492-1-0x00000000003A0000-0x00000000003AC000-memory.dmp

    Filesize

    48KB

  • memory/2492-13-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-12-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

    Filesize

    48KB

  • memory/2692-14-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-15-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-16-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB