Overview

overview

10

Static

static

10

2024-05-31...er.exe

windows7-x64

9

2024-05-31...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-31_b40757649e90c523b191e2a810604dc9_cryptolocker

  • Size

    40KB

  • Sample

    240531-dgy4rsdh85

  • MD5

    b40757649e90c523b191e2a810604dc9

  • SHA1

    fc31c03217d4d933e8d044fbbee9a381e032cadf

  • SHA256

    18d8b5b251ecd640e34a4e2545ee7ca328b54d0193f6f290aeeac890e745b1c8

  • SHA512

    701e21b1a16e2737519149f6bdf9ab22a5e3760ecefdc0b2d97f9dcaa324ba3908710fd5ebdd64d03dd2bfe133dc52343e9fc19071a4e8a7435df3de14ec5883

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY/0U:qDdFJy3QMOtEvwDpjjWMl7TY

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-31_b40757649e90c523b191e2a810604dc9_cryptolocker

    • Size

      40KB

    • MD5

      b40757649e90c523b191e2a810604dc9

    • SHA1

      fc31c03217d4d933e8d044fbbee9a381e032cadf

    • SHA256

      18d8b5b251ecd640e34a4e2545ee7ca328b54d0193f6f290aeeac890e745b1c8

    • SHA512

      701e21b1a16e2737519149f6bdf9ab22a5e3760ecefdc0b2d97f9dcaa324ba3908710fd5ebdd64d03dd2bfe133dc52343e9fc19071a4e8a7435df3de14ec5883

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY/0U:qDdFJy3QMOtEvwDpjjWMl7TY

    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