Overview

overview

10

Static

static

10

2024-02-04...er.exe

windows7-x64

9

2024-02-04...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-02-04_1899e5a458d1084f97ebb823128a978e_cryptolocker

  • Size

    81KB

  • Sample

    240204-br661sgfbr

  • MD5

    1899e5a458d1084f97ebb823128a978e

  • SHA1

    e8acbb1dd90e27d96591d3259709909b99328deb

  • SHA256

    231cfdb7d0fd4d9483a9a651717dbf49e152629e19c496fb98fb2d5d693458ab

  • SHA512

    3e243da1c68189aae0938504504dd79499dd7dc1cf17031895242123e5ed04787d0fdac5e58ca115d9ce3bb933546d1d66926f3c7617852c2a45e2c1972b7bf7

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vN:T6a+rdOOtEvwDpjN5

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-04_1899e5a458d1084f97ebb823128a978e_cryptolocker

    • Size

      81KB

    • MD5

      1899e5a458d1084f97ebb823128a978e

    • SHA1

      e8acbb1dd90e27d96591d3259709909b99328deb

    • SHA256

      231cfdb7d0fd4d9483a9a651717dbf49e152629e19c496fb98fb2d5d693458ab

    • SHA512

      3e243da1c68189aae0938504504dd79499dd7dc1cf17031895242123e5ed04787d0fdac5e58ca115d9ce3bb933546d1d66926f3c7617852c2a45e2c1972b7bf7

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vN:T6a+rdOOtEvwDpjN5

    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