Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-26_4a5b602a264bc3de60889f9c4829ad6d_cryptolocker

  • Size

    55KB

  • Sample

    240426-ctnywshc4z

  • MD5

    4a5b602a264bc3de60889f9c4829ad6d

  • SHA1

    7daa2a3edb2f23584e0cbb51c6e58860bbfd6172

  • SHA256

    eea10c2bf5431f073fc3fa42528b95fb32c4fd807f3b51f4f83797b2489004ad

  • SHA512

    a58f6273d08e69a9b8f5c14b03a8aff9d2f8d233af70fcd7b91e618bdc0584cf9388453bfbb3e1f96280ed27e9df30b525e802a7024f9df8302a142e9eda2460

  • SSDEEP

    768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+p:bP9g/xtCS3Dxx0Jp

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_4a5b602a264bc3de60889f9c4829ad6d_cryptolocker

    • Size

      55KB

    • MD5

      4a5b602a264bc3de60889f9c4829ad6d

    • SHA1

      7daa2a3edb2f23584e0cbb51c6e58860bbfd6172

    • SHA256

      eea10c2bf5431f073fc3fa42528b95fb32c4fd807f3b51f4f83797b2489004ad

    • SHA512

      a58f6273d08e69a9b8f5c14b03a8aff9d2f8d233af70fcd7b91e618bdc0584cf9388453bfbb3e1f96280ed27e9df30b525e802a7024f9df8302a142e9eda2460

    • SSDEEP

      768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+p:bP9g/xtCS3Dxx0Jp

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • 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