Overview

overview

10

Static

static

3

e0338c845a...cf.exe

windows7-x64

10

e0338c845a...cf.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf
  • Size 5.6MB
  • Sample241111-ws12lstanj
  • SHA256 e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gurcumilleniumratdiscoverypersistenceratspywarestealer

Malware Config

Extracted

Family

  • gurcu

C2

  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0.25%20kb

  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendMessage?chat_id=-1002245526003

  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/getUpdates?offset=-

  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target
      e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf
    • Size 5.6MB
    • SHA256 e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    milleniumratdiscoverypersistenceratspywarestealergurcu

    • Gurcu family

      gurcu

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

      stealergurcu

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

      ratstealermilleniumrat

    • Milleniumrat family

      milleniumrat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • 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.

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks