Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-21_e63ad7d39f46eda10a2d7f323e37d80c_cryptolocker

  • Size

    91KB

  • Sample

    240521-sfc78shh44

  • MD5

    e63ad7d39f46eda10a2d7f323e37d80c

  • SHA1

    6fdf357dd360548fffbf3cf414c9efb3898160f6

  • SHA256

    21c7ae9d39bb043533dc137737993c4736cb6ebd528950ecbce486ac97991fb6

  • SHA512

    8b0ef2ff385781633dcb2de17385f7fb9945b96aca1a6b06ec4e9aafce9bf9737ca25997adc9292ad7aa8016833e40ff6d9a53ac54ba9d7a0a0b186c0132d836

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/DV:n6a+1SEOtEvwDpjYYvQd2P6

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_e63ad7d39f46eda10a2d7f323e37d80c_cryptolocker

    • Size

      91KB

    • MD5

      e63ad7d39f46eda10a2d7f323e37d80c

    • SHA1

      6fdf357dd360548fffbf3cf414c9efb3898160f6

    • SHA256

      21c7ae9d39bb043533dc137737993c4736cb6ebd528950ecbce486ac97991fb6

    • SHA512

      8b0ef2ff385781633dcb2de17385f7fb9945b96aca1a6b06ec4e9aafce9bf9737ca25997adc9292ad7aa8016833e40ff6d9a53ac54ba9d7a0a0b186c0132d836

    • SSDEEP

      1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/DV:n6a+1SEOtEvwDpjYYvQd2P6

    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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks