Overview

overview

10

Static

static

10

2024-02-12...er.exe

windows7-x64

9

2024-02-12...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-02-12_2b9317ce1ff64ac9e92a035733c1b2a5_cryptolocker

  • Size

    85KB

  • Sample

    240212-yrhvrabd5v

  • MD5

    2b9317ce1ff64ac9e92a035733c1b2a5

  • SHA1

    844ced38c37023fb7243e35c72062c3d41b5ef87

  • SHA256

    45404abe43696c3f8e93cad1bcb2ab476ef4c71473fd6ba0b05e6407d9c47d44

  • SHA512

    0f3d2ba45a48d4133b9431dd8a038cc49f3ab27b22dea716d1dcba76669da757a30a8f513590cb1580b9c3ae3fb5a6cc855387bab2ebfc0b77ddba44605cd82e

  • SSDEEP

    768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIJWV:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgB

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-12_2b9317ce1ff64ac9e92a035733c1b2a5_cryptolocker

    • Size

      85KB

    • MD5

      2b9317ce1ff64ac9e92a035733c1b2a5

    • SHA1

      844ced38c37023fb7243e35c72062c3d41b5ef87

    • SHA256

      45404abe43696c3f8e93cad1bcb2ab476ef4c71473fd6ba0b05e6407d9c47d44

    • SHA512

      0f3d2ba45a48d4133b9431dd8a038cc49f3ab27b22dea716d1dcba76669da757a30a8f513590cb1580b9c3ae3fb5a6cc855387bab2ebfc0b77ddba44605cd82e

    • SSDEEP

      768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIJWV:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgB

    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