Overview

overview

10

Static

static

10

New-Client.exe

windows7-x64

10

New-Client.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2025 01:05

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General

  • Target

    New-Client.exe

  • Size

    28KB

  • MD5

    4d0aec8bfc492c14b05ae73d77ddeb88

  • SHA1

    e2146826dd9e6ba28928647ede836bba4fd6513d

  • SHA256

    9a0132ffa2f357a871d69f52639ac651f2d637f7c3abe48dac828c3a020e44ec

  • SHA512

    a262580d4ff3a29c5e3a4f6d067ca4612eb4409808dc52adb6f4ac1b7fb4bc32fcc627192a787afc4466f2b14ffb716e5deab11bc728d6814d9fefc68715eb85

  • SSDEEP

    384:cB+Sbj6NKSR+6VFAHaYzLqDT8tUIjuvDKNrCeJE3WNgbfxuKJNNaceFo8xQro3lf:6pSE6VFwaNDIjk45NsgKJX62mpj

Score
10/10
limeratdiscoveryrat

Malware Config

Extracted

Family

limerat

Wallets

bc1qnrh7c6hgx0c5yrr5e62my3874haeqkeq4cpjpg

Attributes
  • aes_key

    1111

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/JbhT4370

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Nexus.exe

  • main_folder

    Temp

  • pin_spread

    true

  • sub_folder

    \System\

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/JbhT4370

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

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

    ratlimerat
  • Limerat family
    limerat
  • 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 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New-Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\System\Nexus.exe'"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3828
    • C:\Users\Admin\AppData\Local\Temp\System\Nexus.exe
      "C:\Users\Admin\AppData\Local\Temp\System\Nexus.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\System\Nexus.exe
    Filesize

    28KB

    MD5

    4d0aec8bfc492c14b05ae73d77ddeb88

    SHA1

    e2146826dd9e6ba28928647ede836bba4fd6513d

    SHA256

    9a0132ffa2f357a871d69f52639ac651f2d637f7c3abe48dac828c3a020e44ec

    SHA512

    a262580d4ff3a29c5e3a4f6d067ca4612eb4409808dc52adb6f4ac1b7fb4bc32fcc627192a787afc4466f2b14ffb716e5deab11bc728d6814d9fefc68715eb85

    Download Submit

  • memory/3176-3-0x0000000005230000-0x0000000005296000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3176-2-0x0000000005180000-0x000000000521C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3176-0-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3176-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3176-5-0x0000000005E50000-0x00000000063F4000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/3176-1-0x0000000000800000-0x000000000080C000-memory.dmp

    Filesize

    48KB

    Download

  • memory/3176-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3796-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3796-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3796-18-0x0000000006460000-0x00000000064F2000-memory.dmp

    Filesize

    584KB

    Download

  • memory/3796-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3796-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download