Overview

overview

10

Static

static

10

2024-05-03...er.exe

windows7-x64

9

2024-05-03...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-03_bc35d3ecb9929dff7a9c10be3c31a10d_cryptolocker

  • Size

    72KB

  • Sample

    240503-l4azfseb28

  • MD5

    bc35d3ecb9929dff7a9c10be3c31a10d

  • SHA1

    2800de97c1b14456ae52e9f0580049542a4e14bb

  • SHA256

    e26147442ac6b97b4f210d7c6e2c4aa8d52f3a68ad926b2dc4fb4ea708b4553f

  • SHA512

    36f76853a5230f0a4de4eca828aa11c3b1ca548f5a14db6930df6c97deb5fdd98c9e6124c702ffb4e7e8e7b36bb877bd4cd005ac59c6136eaa3f21f7a27a3db7

  • SSDEEP

    1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9I:C4Q2c94OtEvwDpj4H8zR

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-03_bc35d3ecb9929dff7a9c10be3c31a10d_cryptolocker

    • Size

      72KB

    • MD5

      bc35d3ecb9929dff7a9c10be3c31a10d

    • SHA1

      2800de97c1b14456ae52e9f0580049542a4e14bb

    • SHA256

      e26147442ac6b97b4f210d7c6e2c4aa8d52f3a68ad926b2dc4fb4ea708b4553f

    • SHA512

      36f76853a5230f0a4de4eca828aa11c3b1ca548f5a14db6930df6c97deb5fdd98c9e6124c702ffb4e7e8e7b36bb877bd4cd005ac59c6136eaa3f21f7a27a3db7

    • SSDEEP

      1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9I:C4Q2c94OtEvwDpj4H8zR

    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