General

  • Target

    tmp

  • Size

    426KB

  • Sample

    230928-he1a9shh48

  • MD5

    ef43d260ba94eea5dad184fcb6e1abcf

  • SHA1

    2cad3eaa11d5842b430ca28c9d185bc82d7661d1

  • SHA256

    8db489ea34fc35ad43552af9629978af98c14b947c058ef1a5d0e645a90c3458

  • SHA512

    de879cf97066e6ca3c39200f01407dca79838ce03e2b3280aa37ab725aae96e9a15d6ad3a200ce184d3c1b7102a666c4ae051a8453fbca0ef9f6e38ec0942d0a

  • SSDEEP

    6144:3Gd/t/a2zDGVPJXvnzZjDJHb571Kjn1929XDccHa+u9bamBftR0RgW:cRatpvnzZjDv7oj19yTaAmBftR0CW

Malware Config

Targets

    • Target

      tmp

    • Size

      426KB

    • MD5

      ef43d260ba94eea5dad184fcb6e1abcf

    • SHA1

      2cad3eaa11d5842b430ca28c9d185bc82d7661d1

    • SHA256

      8db489ea34fc35ad43552af9629978af98c14b947c058ef1a5d0e645a90c3458

    • SHA512

      de879cf97066e6ca3c39200f01407dca79838ce03e2b3280aa37ab725aae96e9a15d6ad3a200ce184d3c1b7102a666c4ae051a8453fbca0ef9f6e38ec0942d0a

    • SSDEEP

      6144:3Gd/t/a2zDGVPJXvnzZjDJHb571Kjn1929XDccHa+u9bamBftR0RgW:cRatpvnzZjDv7oj19yTaAmBftR0CW

    • Detect Gurcu Stealer V3 payload

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks