General

  • Target

    c75b299ee8d5af6943de2b98cd9d36389cf7f98cd36e68239afd520e5bbfec52

  • Size

    11.1MB

  • Sample

    250223-y2b5ysvpdz

  • MD5

    f43381c52c7d3eab6347894ff1bf6d35

  • SHA1

    097a6a49f8ba7c10d7cc0ddca69c5c9036fc5213

  • SHA256

    c75b299ee8d5af6943de2b98cd9d36389cf7f98cd36e68239afd520e5bbfec52

  • SHA512

    bd05ef1fc7279445fa9ad50dd2400aaf7bc2643c5d13cabca20204afeaa77a4ac36c99395765ba85df3f401762ccf002327bd99d92018e9db669654ee3c5c874

  • SSDEEP

    196608:fFqdGKeCIfqQq1QsKW7nSxXJQTMypF24oTq8MyuSIoQIwunHpm7oDvqU9rvJSHgB:MGKeCnQq1QsKC9TxYbJuSIo/f9r0gyM

Malware Config

Extracted

Family

44caliber

C2

https://discordapp.com/api/webhooks/1341705749000097873/Cm8XbJ9POoDIJFj-kHv4cNQ57rKrRSTTynrXpCZxyy6LbWHN-1RW5g-4NuUtr-gmtiFT

Targets

    • Target

      c75b299ee8d5af6943de2b98cd9d36389cf7f98cd36e68239afd520e5bbfec52

    • Size

      11.1MB

    • MD5

      f43381c52c7d3eab6347894ff1bf6d35

    • SHA1

      097a6a49f8ba7c10d7cc0ddca69c5c9036fc5213

    • SHA256

      c75b299ee8d5af6943de2b98cd9d36389cf7f98cd36e68239afd520e5bbfec52

    • SHA512

      bd05ef1fc7279445fa9ad50dd2400aaf7bc2643c5d13cabca20204afeaa77a4ac36c99395765ba85df3f401762ccf002327bd99d92018e9db669654ee3c5c874

    • SSDEEP

      196608:fFqdGKeCIfqQq1QsKW7nSxXJQTMypF24oTq8MyuSIoQIwunHpm7oDvqU9rvJSHgB:MGKeCnQq1QsKC9TxYbJuSIo/f9r0gyM

    • 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

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