Overview

overview

10

Static

static

10

2024-05-24...er.exe

windows7-x64

9

2024-05-24...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-24_43bc089deb3de1b6a1812db4ea3dd60f_cryptolocker

  • Size

    41KB

  • Sample

    240524-e3bq2adc2w

  • MD5

    43bc089deb3de1b6a1812db4ea3dd60f

  • SHA1

    f6d041e15282a310e61963ce748a54ee69a467a0

  • SHA256

    b653cf83b3fde16c9bc5f8817afe2eda6e5105502e7e505b466bc205de09bc40

  • SHA512

    0040704483ea1508674ccda8a5cdab0804db4d3d5e5b93860856bf12e4f0df6130689df6ee6b9f732db0d833e4ed44d1f1d3cb05490b7249261397dcaf27ded5

  • SSDEEP

    384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKH9:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKd

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-24_43bc089deb3de1b6a1812db4ea3dd60f_cryptolocker

    • Size

      41KB

    • MD5

      43bc089deb3de1b6a1812db4ea3dd60f

    • SHA1

      f6d041e15282a310e61963ce748a54ee69a467a0

    • SHA256

      b653cf83b3fde16c9bc5f8817afe2eda6e5105502e7e505b466bc205de09bc40

    • SHA512

      0040704483ea1508674ccda8a5cdab0804db4d3d5e5b93860856bf12e4f0df6130689df6ee6b9f732db0d833e4ed44d1f1d3cb05490b7249261397dcaf27ded5

    • SSDEEP

      384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKH9:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKd

    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 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