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General

  • Target

    Release.exe

  • Size

    586KB

  • Sample

    250318-cn2mssswgs

  • MD5

    5baa2d8574f45208fcefb8eef68733f5

  • SHA1

    15fe222ddfebc44946f39be2aaf06ca1eb2f76f7

  • SHA256

    e20f2a6dcc54524c456a339dc0d4d6d943f115980ae3959f83c6796becdce8cd

  • SHA512

    40457ddb05cbd5bae8d8dce7dfcb5fe5e482cfe591a9cc9455a7f8c406a4c887b21fbb71ab27b1eaa1e112392f61bdb6a6729d6203c7977eaa99770c630f27c8

  • SSDEEP

    12288:eKry2/qZXzmLT+tGHAioNRwhEGATZNjwgRcnSR/iCo2SgQ:5ry2uXzmDgio4hE3j/NR/iCjLQ

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/903397681865576489/e3jD3bth-gH8swR6V0ji8YeJKHIkIb51ywNDwlXFWkBcrhriQYmNx8D7F0Dm0HBXsodO

Targets

    • Target

      Release.exe

    • Size

      586KB

    • MD5

      5baa2d8574f45208fcefb8eef68733f5

    • SHA1

      15fe222ddfebc44946f39be2aaf06ca1eb2f76f7

    • SHA256

      e20f2a6dcc54524c456a339dc0d4d6d943f115980ae3959f83c6796becdce8cd

    • SHA512

      40457ddb05cbd5bae8d8dce7dfcb5fe5e482cfe591a9cc9455a7f8c406a4c887b21fbb71ab27b1eaa1e112392f61bdb6a6729d6203c7977eaa99770c630f27c8

    • SSDEEP

      12288:eKry2/qZXzmLT+tGHAioNRwhEGATZNjwgRcnSR/iCo2SgQ:5ry2uXzmDgio4hE3j/NR/iCjLQ

    • 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