General

  • Target

    Output-crypted.exe

  • Size

    17.6MB

  • Sample

    241122-xfa54askbl

  • MD5

    8d0036ab63c25882fb33a835b36b251d

  • SHA1

    ca34b15d5d6a8466f575559d54974d97f9e177b3

  • SHA256

    65e448de6be19e84646ff821bc151f54e663883e882c25b8c43638170bd979a3

  • SHA512

    f017f6a2bfc81af0dfbe0a9a3a00c031af80786d44bcde5c59bfcba92a06b0c3003722a55fdac79787d2c247a9cdb240d6e40ea753d9dcec3b2d8a2c30db82c9

  • SSDEEP

    393216:U8V5h7DRcmbOscrN2V1ccUnMYL9lfDotlLUvoTaDBfRDlXzA:FhDbtU2V1qnvbfDotlLUvoTa9

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8041920254:AAErt2Qj5PFwq2rCNeb5RylAVE1eFa18SL0/sendDocument?chat_id=-4541669277&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/bot8041920254:AAErt2Qj5PFwq2rCNeb5RylAVE1eFa18SL0/sendMessage?chat_id=-4541669277

https://api.telegram.org/bot8041920254:AAErt2Qj5PFwq2rCNeb5RylAVE1eFa18SL0/getUpdates?offset=-

https://api.telegram.org/bot8041920254:AAErt2Qj5PFwq2rCNeb5RylAVE1eFa18SL0/sendDocument?chat_id=-4541669277&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      Output-crypted.exe

    • Size

      17.6MB

    • MD5

      8d0036ab63c25882fb33a835b36b251d

    • SHA1

      ca34b15d5d6a8466f575559d54974d97f9e177b3

    • SHA256

      65e448de6be19e84646ff821bc151f54e663883e882c25b8c43638170bd979a3

    • SHA512

      f017f6a2bfc81af0dfbe0a9a3a00c031af80786d44bcde5c59bfcba92a06b0c3003722a55fdac79787d2c247a9cdb240d6e40ea753d9dcec3b2d8a2c30db82c9

    • SSDEEP

      393216:U8V5h7DRcmbOscrN2V1ccUnMYL9lfDotlLUvoTaDBfRDlXzA:FhDbtU2V1qnvbfDotlLUvoTa9

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Milleniumrat family

    • 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.

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v15

Tasks