Overview

overview

10

Static

static

10

2024-01-28...er.exe

windows7-x64

9

2024-01-28...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-01-28_1142eaa4e6ccccb6215ddbaa8fa2f028_cryptolocker

  • Size

    73KB

  • Sample

    240128-w1rg5sgheq

  • MD5

    1142eaa4e6ccccb6215ddbaa8fa2f028

  • SHA1

    638e1b39028e61fe3f342b85cfaeb09fb70ffaab

  • SHA256

    37567f9e3d3a8377cff676be6e4fab8b641e264fbc09277b5714a305c2e75925

  • SHA512

    28e0f7a4c879d99064cdd8f14f1d3197c433dfe7fb2bcdc5b14a04f4367692debe61791a7adc486c324d82300a3bc1d0d41c33224c07cb17987729cdd33db053

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxuR:T6a+rdOOtEvwDpjNtHPD

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-01-28_1142eaa4e6ccccb6215ddbaa8fa2f028_cryptolocker

    • Size

      73KB

    • MD5

      1142eaa4e6ccccb6215ddbaa8fa2f028

    • SHA1

      638e1b39028e61fe3f342b85cfaeb09fb70ffaab

    • SHA256

      37567f9e3d3a8377cff676be6e4fab8b641e264fbc09277b5714a305c2e75925

    • SHA512

      28e0f7a4c879d99064cdd8f14f1d3197c433dfe7fb2bcdc5b14a04f4367692debe61791a7adc486c324d82300a3bc1d0d41c33224c07cb17987729cdd33db053

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxuR:T6a+rdOOtEvwDpjNtHPD

    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