Overview

overview

10

Static

static

5

78973c8f95...66.exe

windows7-x64

10

78973c8f95...66.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    78973c8f956a77c6c88aa4b508ce289d2c59966e1e7f2af4fc9cfd9e2368df66.zip

  • Size

    12.3MB

  • Sample

    230321-rz1xzadc8s

  • MD5

    cf4432a361e609f331ae214a4c7712bb

  • SHA1

    ec64a4b815c26c08743be395b797507722246ccb

  • SHA256

    50e243b9f1481a581e8e8c2a5101f3ef43253adb873bb7c6ca4eb1ce3c7e9d61

  • SHA512

    f5748f15b6b9e98b92fc58a9f3ec5e336777b863cc3de49bec3dce4dcb66c18a4a0e7de28c3abe663be62417ac3262265ab67e8c8c9493c5ebfee00d101a2176

  • SSDEEP

    196608:jckxANxAtW8oV4DW8/QjGjzCHElOhL8SLdRy8EJwiPxS2bwtoyxH7X7oMNXP37Tj:9xkutmMW8/b/OL8MrLN8f837oMNXPTn

Score
10/10
limeratquasarstoragepersistenceratspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

storage

C2

xmarvel.ddns.net:4782

2.58.56.188:4782
Mutex

Slbw7KtgA7WecQEqcR

Attributes
  • encryption_key

    BTg0dEybEXwn6MM90CP2

  • install_name

    ccleaner.exe

  • log_directory

    windowfirewalls

  • reconnect_delay

    1

  • startup_key

    windowsfirewall.msc

  • subdirectory

    windowsfirewall

Extracted

Family

limerat

Wallets

13WHQ6XEobZYNAjHZPJHkDuzMS8TpgkRqm

Attributes
  • aes_key

    key

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/nW4J6TiP

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    windowsdefender.exe

  • main_folder

    AppData

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    true

Extracted

Family

quasar

Attributes
  • reconnect_delay

    1

Targets

    • Target

      78973c8f956a77c6c88aa4b508ce289d2c59966e1e7f2af4fc9cfd9e2368df66.exe

    • Size

      12.9MB

    • MD5

      a364b35d4dbdcf328367df843a6286c1

    • SHA1

      31a54c5118109afa7d5c7c465bb4d3b25c947284

    • SHA256

      78973c8f956a77c6c88aa4b508ce289d2c59966e1e7f2af4fc9cfd9e2368df66

    • SHA512

      e0687836489ea4cf25fb2b58105a46666a46a447acd01e291a5646928a12e469031f2936087cded0e7eee869cb6e71784c588cd61812387073ba4d0b637c6826

    • SSDEEP

      196608:Lg+Aalc1yGZIh6L5iYl/dsy+7d3tFELLs1cAm6f971YAmX1ZK1vauo9Dn:Lgsl5hef1k7ptmQbm6fnmlZsoRn

    Score
    10/10
    limeratquasarstoragepersistenceratspywaretrojan

    • LimeRAT

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

      ratlimerat

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks