General

  • Target

    Nursultan.exe

  • Size

    1.4MB

  • Sample

    240530-gk1zbagf6t

  • MD5

    04dd1f99162ef231ab0c9d28d181e9d2

  • SHA1

    af9cb52510704981a6e3daeae61c617d711366ef

  • SHA256

    c383f1a8383c27fda0910a6691aa4a7561d86094e3309df7d2ad787d8e601086

  • SHA512

    701b7557e14384648fafdc58ae28f76abee5d1c9f567884c42371e722d699d923ac6df68d0a896207452a2eeea4fe65cbcd350f11a2ff519b51b776970565614

  • SSDEEP

    24576:wBmXmo2G/nvxW3Ww0tBBlxD41ittL91eboEH2IgYAUUjZhI:wBi3bA30BBlxnioE5AW

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1245420777592062054/saI81XWOLJi1mJiEEt2FK-cyIKsq2Ayc-BlexWZ-2Fj0plrNSjRsNmF63M5uf5r_C7a0

Targets

    • Target

      Nursultan.exe

    • Size

      1.4MB

    • MD5

      04dd1f99162ef231ab0c9d28d181e9d2

    • SHA1

      af9cb52510704981a6e3daeae61c617d711366ef

    • SHA256

      c383f1a8383c27fda0910a6691aa4a7561d86094e3309df7d2ad787d8e601086

    • SHA512

      701b7557e14384648fafdc58ae28f76abee5d1c9f567884c42371e722d699d923ac6df68d0a896207452a2eeea4fe65cbcd350f11a2ff519b51b776970565614

    • SSDEEP

      24576:wBmXmo2G/nvxW3Ww0tBBlxD41ittL91eboEH2IgYAUUjZhI:wBi3bA30BBlxnioE5AW

    • 44Caliber

      An open source infostealer written in C#.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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