General

  • Target

    FrozenLoader.exe

  • Size

    23.3MB

  • Sample

    240626-zypsbateqe

  • MD5

    0929e72978d804313db4098699ed4f41

  • SHA1

    897d4993fe5cef659067b75dfc7f872e6b063930

  • SHA256

    28db05bee2398fbbe0d66774bc367060f9de654fc79c2a604f76cf4e41f039f5

  • SHA512

    4fc17b9298f9163afd02f468dec4104727e674d648fed5905c30110968600ab2f7972d9b1d750b18d7060c22c5796520aa8aad12c4738af9b83cfbc382917b2a

  • SSDEEP

    393216:ho9DM45CsKh2Jp5M/urEUWj5EnBSVkRIrY87FNwrcf+E6PcZYE9buK+:29NJKhNdbQzcY87Fycf+8YEEK+

Malware Config

Targets

    • Target

      FrozenLoader.exe

    • Size

      23.3MB

    • MD5

      0929e72978d804313db4098699ed4f41

    • SHA1

      897d4993fe5cef659067b75dfc7f872e6b063930

    • SHA256

      28db05bee2398fbbe0d66774bc367060f9de654fc79c2a604f76cf4e41f039f5

    • SHA512

      4fc17b9298f9163afd02f468dec4104727e674d648fed5905c30110968600ab2f7972d9b1d750b18d7060c22c5796520aa8aad12c4738af9b83cfbc382917b2a

    • SSDEEP

      393216:ho9DM45CsKh2Jp5M/urEUWj5EnBSVkRIrY87FNwrcf+E6PcZYE9buK+:29NJKhNdbQzcY87Fycf+8YEEK+

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Legitimate hosting services abused for malware hosting/C2

    • 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