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Overview

overview

10

Static

static

10

Checkeur n...ps.exe

windows7-x64

10

Checkeur n...ps.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 16:51

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General

  • Target

    Checkeur netflix validator by crips.exe

  • Size

    205KB

  • MD5

    d36f15bef276fd447e91af6ee9e38b28

  • SHA1

    14836dd608efb4a0c552a4f370e5aafb340e2a5d

  • SHA256

    6d08ed6acac230f41d9d6fe2a26245eeaf08c84bc7a66fddc764d82d6786d334

  • SHA512

    ada85b6334f457b1217d4d08246f4ccb23bfb22a024aa6a7e1df00c9e83d72b58020b45fefc43eddfa41c54743b01f73632da2ff7b7bcee01d401235289ab242

  • SSDEEP

    3072:DDiv2GSyn88sH888wQ2wmVgMk/211h36vEcIyNTY4WZd/w1UwIwEoTqPMinXHx+i:XOayy

Score
10/10
limeratrat

Malware Config

Extracted

Family

limerat

Wallets

86hac88hN1LipZ8Pzugfp65vMuPzKdYQudAKeKsjzU4RKRtTSSRSzZDNech2VwKy6yEPu8XZGYDsEd51M3vBG6ozAUqPpk3

Attributes
  • aes_key

    20.199.13.167

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/sxNJt2ek

  • delay

    3

  • download_payload

    true

  • install

    true

  • install_name

    checker netflix.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \

  • usb_spread

    true

Signatures

  • LimeRAT

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

    ratlimerat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Checkeur netflix validator by crips.exe
    "C:\Users\Admin\AppData\Local\Temp\Checkeur netflix validator by crips.exe"
    1⤵
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\checker netflix.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:4764
    • C:\Users\Admin\AppData\Roaming\checker netflix.exe
      "C:\Users\Admin\AppData\Roaming\checker netflix.exe"
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\checker netflix.exe
    Filesize

    205KB

    MD5

    d36f15bef276fd447e91af6ee9e38b28

    SHA1

    14836dd608efb4a0c552a4f370e5aafb340e2a5d

    SHA256

    6d08ed6acac230f41d9d6fe2a26245eeaf08c84bc7a66fddc764d82d6786d334

    SHA512

    ada85b6334f457b1217d4d08246f4ccb23bfb22a024aa6a7e1df00c9e83d72b58020b45fefc43eddfa41c54743b01f73632da2ff7b7bcee01d401235289ab242

    Download Submit

  • C:\Users\Admin\AppData\Roaming\checker netflix.exe
    Filesize

    205KB

    MD5

    d36f15bef276fd447e91af6ee9e38b28

    SHA1

    14836dd608efb4a0c552a4f370e5aafb340e2a5d

    SHA256

    6d08ed6acac230f41d9d6fe2a26245eeaf08c84bc7a66fddc764d82d6786d334

    SHA512

    ada85b6334f457b1217d4d08246f4ccb23bfb22a024aa6a7e1df00c9e83d72b58020b45fefc43eddfa41c54743b01f73632da2ff7b7bcee01d401235289ab242

    Download Submit

  • memory/4656-132-0x0000000000AF0000-0x0000000000B2A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/4656-133-0x00000000054F0000-0x000000000558C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/4656-134-0x0000000005440000-0x00000000054A6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4656-135-0x0000000006160000-0x0000000006704000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/4864-140-0x0000000005E30000-0x0000000005EC2000-memory.dmp

    Filesize

    584KB

    Download