General

  • Target

    ba91e2cefca6e39537c09b39a52c0804

  • Size

    3.1MB

  • Sample

    240308-fk4jrsge8x

  • MD5

    ba91e2cefca6e39537c09b39a52c0804

  • SHA1

    d7d5321eb7715a0333f8dba7b9525e6545832626

  • SHA256

    daba765d0976cef05ea981ca8d722a047138a24f31fe318e8a3d550251dd703f

  • SHA512

    25d859aff4bf32090eb10caf608e5cb46af5238a2183700b132e977e231f9195ac084db0cdf7508a923b32be817c73847817deec512eb01182277ac9ffcc39c8

  • SSDEEP

    49152:+cSg4AV+b5KxOKezg2J0UxzklXUVYrvW9KbI9NBeqIX226txvAL66+U73:+/GV+IWlyUxdoIKONwqIX22ExhQ3

Malware Config

Extracted

Family

44caliber

C2

https://discordapp.com/api/webhooks/859014405580783637/J-rOLcLQORAp4rSIpre0H46Lhmzd8QK1hgRFNA4mqYSEz6dtJRq9HsK-id725NgqZTvK

Targets

    • Target

      ba91e2cefca6e39537c09b39a52c0804

    • Size

      3.1MB

    • MD5

      ba91e2cefca6e39537c09b39a52c0804

    • SHA1

      d7d5321eb7715a0333f8dba7b9525e6545832626

    • SHA256

      daba765d0976cef05ea981ca8d722a047138a24f31fe318e8a3d550251dd703f

    • SHA512

      25d859aff4bf32090eb10caf608e5cb46af5238a2183700b132e977e231f9195ac084db0cdf7508a923b32be817c73847817deec512eb01182277ac9ffcc39c8

    • SSDEEP

      49152:+cSg4AV+b5KxOKezg2J0UxzklXUVYrvW9KbI9NBeqIX226txvAL66+U73:+/GV+IWlyUxdoIKONwqIX22ExhQ3

    • 44Caliber

      An open source infostealer written in C#.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks