General

  • Target

    2024-04-27_b1b9fa34deca2f0918c07e8988df8675_cryptolocker

  • Size

    79KB

  • Sample

    240427-1az4tahc3s

  • MD5

    b1b9fa34deca2f0918c07e8988df8675

  • SHA1

    1b230dc2ae8f531e95f76797f72a2680cb5d80f6

  • SHA256

    354c7883c36c383933863ea7d7e5cc1042e4674ea40d9b9f38b993623d044fcc

  • SHA512

    b66bb28ed3d3d493e6911f86002ec3559775f755b498aeaeed0cb6ffd55890df0086f089fe059756aacbc0602900af12aba8f989fb1cbdbae92e7ddb787e9d87

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqd8:T6a+rdOOtEvwDpjNcF

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-27_b1b9fa34deca2f0918c07e8988df8675_cryptolocker

    • Size

      79KB

    • MD5

      b1b9fa34deca2f0918c07e8988df8675

    • SHA1

      1b230dc2ae8f531e95f76797f72a2680cb5d80f6

    • SHA256

      354c7883c36c383933863ea7d7e5cc1042e4674ea40d9b9f38b993623d044fcc

    • SHA512

      b66bb28ed3d3d493e6911f86002ec3559775f755b498aeaeed0cb6ffd55890df0086f089fe059756aacbc0602900af12aba8f989fb1cbdbae92e7ddb787e9d87

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqd8:T6a+rdOOtEvwDpjNcF

    Score
    9/10
    • Detection of CryptoLocker Variants

    • Detection of Cryptolocker Samples

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks