Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-23_52163b410fc4c9b063167d3bbbbc4450_cryptolocker

  • Size

    38KB

  • Sample

    240523-cyt1psaf3s

  • MD5

    52163b410fc4c9b063167d3bbbbc4450

  • SHA1

    fbfb17822fa0a03a8c9ef9a1d8f4da2d64cf2651

  • SHA256

    42099fa6aeaf87bb786c9fccfdea3edd7c22e91ffe2c5c2e53807b1d982fdc4c

  • SHA512

    32591b7c9a8d6c304354196655638c8c965242d1a1e70ea4e0114581b3b41814a3b5ad87a21dfeae3d98a756ae508bced409a18d8f49838d1cad971a8cf12e6f

  • SSDEEP

    768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRz:qTJu9cvMOtEvwDpjppVXzRz

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_52163b410fc4c9b063167d3bbbbc4450_cryptolocker

    • Size

      38KB

    • MD5

      52163b410fc4c9b063167d3bbbbc4450

    • SHA1

      fbfb17822fa0a03a8c9ef9a1d8f4da2d64cf2651

    • SHA256

      42099fa6aeaf87bb786c9fccfdea3edd7c22e91ffe2c5c2e53807b1d982fdc4c

    • SHA512

      32591b7c9a8d6c304354196655638c8c965242d1a1e70ea4e0114581b3b41814a3b5ad87a21dfeae3d98a756ae508bced409a18d8f49838d1cad971a8cf12e6f

    • SSDEEP

      768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRz:qTJu9cvMOtEvwDpjppVXzRz

    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