Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-22_1aafeebf448fcd900b6e4ec52e9330ec_cryptolocker

  • Size

    39KB

  • Sample

    240522-bygjyagb29

  • MD5

    1aafeebf448fcd900b6e4ec52e9330ec

  • SHA1

    a335e24f587211fc10d695c98100f3dd545fb7e5

  • SHA256

    55ad77d7fb46a7586f9c4c4249a34c8460666b7ff4343c443c91fcc6bc682249

  • SHA512

    020ba73861475676c68eb76ac5efa1e4b0e926922da6b351b03bdc89f9284de4e6113dfd34056ab5a53e6900d4b89d39c50397f839d01962320186950149d675

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8n:qDdFJy3QMOtEvwDpjjWMl7Tdn8n

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_1aafeebf448fcd900b6e4ec52e9330ec_cryptolocker

    • Size

      39KB

    • MD5

      1aafeebf448fcd900b6e4ec52e9330ec

    • SHA1

      a335e24f587211fc10d695c98100f3dd545fb7e5

    • SHA256

      55ad77d7fb46a7586f9c4c4249a34c8460666b7ff4343c443c91fcc6bc682249

    • SHA512

      020ba73861475676c68eb76ac5efa1e4b0e926922da6b351b03bdc89f9284de4e6113dfd34056ab5a53e6900d4b89d39c50397f839d01962320186950149d675

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8n:qDdFJy3QMOtEvwDpjjWMl7Tdn8n

    Score
    9/10
    upx

    • 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.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks