General

  • Target

    Comprobante transferencia.js

  • Size

    9KB

  • Sample

    221219-j9kdzahe91

  • MD5

    b6c2df8872800fb0ff88a0a8e18d30cd

  • SHA1

    7f4c653be69760ba00e27eed161a7357095e2766

  • SHA256

    5d1d48e562d8aa8f1da58485b809b0642a6eec54d043c183d7519020214232af

  • SHA512

    9fca0dae9ae82ab230c54f8c5c9e73376918198ec5613685b3438fd37a60f352f441c141b105b596d35464c9dfe9c386b7e291f446e0b4b8323ffafadcbba1fe

  • SSDEEP

    192:yxl1ldLn3HPgwaNjoymWe+UtEM6TKAkXqoKCpltawnbqbMzJDuDm5cttDgpjDjdW:oLrCsyzeLtEMZ/qojlhbqbANU9DglBH2

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5627356603:AAG-Mx0TbSHRRW6IwndrpX3VLZdhd6C-Zac/sendMessage?chat_id=5472437377

Targets

    • Target

      Comprobante transferencia.js

    • Size

      9KB

    • MD5

      b6c2df8872800fb0ff88a0a8e18d30cd

    • SHA1

      7f4c653be69760ba00e27eed161a7357095e2766

    • SHA256

      5d1d48e562d8aa8f1da58485b809b0642a6eec54d043c183d7519020214232af

    • SHA512

      9fca0dae9ae82ab230c54f8c5c9e73376918198ec5613685b3438fd37a60f352f441c141b105b596d35464c9dfe9c386b7e291f446e0b4b8323ffafadcbba1fe

    • SSDEEP

      192:yxl1ldLn3HPgwaNjoymWe+UtEM6TKAkXqoKCpltawnbqbMzJDuDm5cttDgpjDjdW:oLrCsyzeLtEMZ/qojlhbqbANU9DglBH2

    • BluStealer

      A Modular information stealer written in Visual Basic.

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks