General

  • Target

    proga.exe

  • Size

    1.8MB

  • Sample

    250407-x2x7rasls8

  • MD5

    37d52955fa43a9b6914f81fac04f0656

  • SHA1

    ef005ff7f596ea057022a77f111847ac8b3fb66f

  • SHA256

    481e16bd9e829fee9cd41bd992a3287e5882a041b8306029eb7785a66bb4a1ac

  • SHA512

    9126bcda7b7ac8b3bc0b9a31981150f8fe59bca93f17b6322d04033ff6567df47d18e2833072c06235502e8a9bf5324967d31bbfd765805dfbc083aeb0d91c24

  • SSDEEP

    49152:1Djlabwz9DmRaIKolB7bLpEBm9ggukQ2XC+N7:ZqwRmaQ5k0ukHS+x

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1356567873270710473/EBvbgkUkr1Nt60uLTvIefHjN4cRMKBHO54aiDqafnZD_q5UFbEfTFkzb_pq5tMMbgSTy

Targets

    • Target

      proga.exe

    • Size

      1.8MB

    • MD5

      37d52955fa43a9b6914f81fac04f0656

    • SHA1

      ef005ff7f596ea057022a77f111847ac8b3fb66f

    • SHA256

      481e16bd9e829fee9cd41bd992a3287e5882a041b8306029eb7785a66bb4a1ac

    • SHA512

      9126bcda7b7ac8b3bc0b9a31981150f8fe59bca93f17b6322d04033ff6567df47d18e2833072c06235502e8a9bf5324967d31bbfd765805dfbc083aeb0d91c24

    • SSDEEP

      49152:1Djlabwz9DmRaIKolB7bLpEBm9ggukQ2XC+N7:ZqwRmaQ5k0ukHS+x

    • 44Caliber

      An open source infostealer written in C#.

    • 44Caliber 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.

    • 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