Overview

overview

10

Static

static

10

NEAS.34e5b...JC.exe

windows7-x64

10

NEAS.34e5b...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    NEAS.34e5bd67fbd9a7040dca9cae90e36013aaeda1940bb39e7fcd5d5fa9c85cadc8exe_JC.exe
  • Size 256KB
  • Sample231006-qlacesbh6s
  • SHA256 34e5bd67fbd9a7040dca9cae90e36013aaeda1940bb39e7fcd5d5fa9c85cadc8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gurcucollectiondiscoveryspywarestealer

Malware Config

Targets

    • Target
      NEAS.34e5bd67fbd9a7040dca9cae90e36013aaeda1940bb39e7fcd5d5fa9c85cadc8exe_JC.exe
    • Size 256KB
    • SHA256 34e5bd67fbd9a7040dca9cae90e36013aaeda1940bb39e7fcd5d5fa9c85cadc8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    gurcucollectiondiscoveryspywarestealer

    • Detect Gurcu Stealer V3 payload

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

      stealergurcu

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • Accesses Microsoft Outlook profiles

      collection

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks