Overview

overview

10

Static

static

10

New-Client.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    New-Client.exe

  • Size

    28KB

  • Sample

    241130-rje1kawkfs

  • MD5

    42dd04b2c91e0b8c4b6c676c0bf067bc

  • SHA1

    8fb5c885299eb1fb4c93e76cc7172058a347c48b

  • SHA256

    18dfa73375b80be2a9651411bdd5c4735c9738af35f086f426584ee2776d9fa3

  • SHA512

    24cc5f837445c1ea3cb9c39f66186d2be23674444f6a46df296a4a0538aa5fa4bde6ad4251bc8adc74dfc5689576763e592d0713a303e8a2f7828b2bf4b34b2e

  • SSDEEP

    384:GB+Sbj6NKsHU637AHteXnmqDvDj63XjUQvDKNrCeJE3WNgtTKNnqgqoXiuQro3li:8ps0637wtexv6nQe45NDNnhqVUIj

Score
10/10
limeratdiscoveryransomwareratspyware

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    ponontop

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/U06jyvTy

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    sus.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \sus\

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/U06jyvTy

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Targets

    • Target

      New-Client.exe

    • Size

      28KB

    • MD5

      42dd04b2c91e0b8c4b6c676c0bf067bc

    • SHA1

      8fb5c885299eb1fb4c93e76cc7172058a347c48b

    • SHA256

      18dfa73375b80be2a9651411bdd5c4735c9738af35f086f426584ee2776d9fa3

    • SHA512

      24cc5f837445c1ea3cb9c39f66186d2be23674444f6a46df296a4a0538aa5fa4bde6ad4251bc8adc74dfc5689576763e592d0713a303e8a2f7828b2bf4b34b2e

    • SSDEEP

      384:GB+Sbj6NKsHU637AHteXnmqDvDj63XjUQvDKNrCeJE3WNgtTKNnqgqoXiuQro3li:8ps0637wtexv6nQe45NDNnhqVUIj

    Score
    10/10
    limeratdiscoveryransomwareratspyware

    • LimeRAT

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

      ratlimerat

    • Limerat family

      limerat

    • Renames multiple (1023) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks