Overview

overview

10

Static

static

10

MailUpdate.exe

windows10-2004-x64

10

MailUpdate.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    MailUpdate.exe

  • Size

    69KB

  • Sample

    240823-3c2rjavelr

  • MD5

    37d1bc1bd7eeb6b549d265db4a56da20

  • SHA1

    a93c42ade354b2a706450715deacdec728e898a9

  • SHA256

    ae305f441faf08f439a302b56ca00e7426160af15ca532dd1936e38f803fa286

  • SHA512

    21431f94b29cc7786c77da61d1f1e9ab51f1676ab383d679a52ff10db3ca27a3fe1c73ccf879de1c28d9e8a120578bba98af840cb3b32bffd2d325001188212f

  • SSDEEP

    1536:OpgFwa5ttd8yfeUzIasLQxFm5gUWd+0LDyjofAWZgzR:8Iwa7bZfRaQzm9FIDyjoY5V

Score
10/10
limeratdiscoveryrat

Malware Config

Extracted

Family

limerat

Wallets

bc1qyej3qhu680rqc5akxac39r92g6a8g6r4708gyj

Attributes
  • aes_key

    Test

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/UPe1Arqg

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    system32s.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/UPe1Arqg

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Targets

    • Target

      MailUpdate.exe

    • Size

      69KB

    • MD5

      37d1bc1bd7eeb6b549d265db4a56da20

    • SHA1

      a93c42ade354b2a706450715deacdec728e898a9

    • SHA256

      ae305f441faf08f439a302b56ca00e7426160af15ca532dd1936e38f803fa286

    • SHA512

      21431f94b29cc7786c77da61d1f1e9ab51f1676ab383d679a52ff10db3ca27a3fe1c73ccf879de1c28d9e8a120578bba98af840cb3b32bffd2d325001188212f

    • SSDEEP

      1536:OpgFwa5ttd8yfeUzIasLQxFm5gUWd+0LDyjofAWZgzR:8Iwa7bZfRaQzm9FIDyjoY5V

    Score
    10/10
    limeratdiscoveryrat

    • LimeRAT

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

      ratlimerat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks