Overview

overview

10

Static

static

b31de3ea02...7f.exe

windows7-x64

10

b31de3ea02...7f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b31de3ea02144147649b6d3f04abf7b6186a5e783a63bb3b04a3552c153a397f

  • Size

    66KB

  • Sample

    221130-w7z3vsea67

  • MD5

    8b3c21db4e4189d00b8da6db22ae7387

  • SHA1

    6bd9edd982bb103c21b2a3072c16d0274d692f8e

  • SHA256

    b31de3ea02144147649b6d3f04abf7b6186a5e783a63bb3b04a3552c153a397f

  • SHA512

    1e551f14c66cdfd790c7cf8700e166dbfda95283b2247d200c02516ab676cebc0b6263250554436195efe2e8956be2d8406ebe82b7bee611fc238a9ff0fc86d2

  • SSDEEP

    1536:J13Mt0qGK+wM0+nXdNPdwjgu3n3ipmC/k/qSAa0iUHXSjUXCOyZGqL:J13Mt7P+wM0+nXdtejgu3nypr/7RLXSZ

Score
10/10
limeratrat

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    IRj3SceatjDfweW/qMMw7g==

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/p8Be8nNX

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Windows Update.exe

  • main_folder

    UserProfile

  • pin_spread

    false

  • sub_folder

    \Windows\

  • usb_spread

    false

Targets

    • Target

      b31de3ea02144147649b6d3f04abf7b6186a5e783a63bb3b04a3552c153a397f

    • Size

      66KB

    • MD5

      8b3c21db4e4189d00b8da6db22ae7387

    • SHA1

      6bd9edd982bb103c21b2a3072c16d0274d692f8e

    • SHA256

      b31de3ea02144147649b6d3f04abf7b6186a5e783a63bb3b04a3552c153a397f

    • SHA512

      1e551f14c66cdfd790c7cf8700e166dbfda95283b2247d200c02516ab676cebc0b6263250554436195efe2e8956be2d8406ebe82b7bee611fc238a9ff0fc86d2

    • SSDEEP

      1536:J13Mt0qGK+wM0+nXdNPdwjgu3n3ipmC/k/qSAa0iUHXSjUXCOyZGqL:J13Mt7P+wM0+nXdtejgu3nypr/7RLXSZ

    Score
    10/10
    limeratrat

    • LimeRAT

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

      ratlimerat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks