Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-22_7bd4d24829684d5573d6d517278e87d5_cryptolocker

  • Size

    91KB

  • Sample

    240522-c5kevahf89

  • MD5

    7bd4d24829684d5573d6d517278e87d5

  • SHA1

    760a86061d70940e9ba9ec3f6055c6bdb7ededf6

  • SHA256

    6471e12b134dcd7090d16006f70cc67d1af3cfc2f0781e5e56b5d1758dd5ca6b

  • SHA512

    edc633c47711b6984d9f440501f52a451fc79a0c0602afab650c961feee7327c805fc5315c3be9ff826c515f7cd64bed90eff2a2fa7f67b876b586494058bccc

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Dy:n6a+1SEOtEvwDpjYYvQd2P9

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_7bd4d24829684d5573d6d517278e87d5_cryptolocker

    • Size

      91KB

    • MD5

      7bd4d24829684d5573d6d517278e87d5

    • SHA1

      760a86061d70940e9ba9ec3f6055c6bdb7ededf6

    • SHA256

      6471e12b134dcd7090d16006f70cc67d1af3cfc2f0781e5e56b5d1758dd5ca6b

    • SHA512

      edc633c47711b6984d9f440501f52a451fc79a0c0602afab650c961feee7327c805fc5315c3be9ff826c515f7cd64bed90eff2a2fa7f67b876b586494058bccc

    • SSDEEP

      1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Dy:n6a+1SEOtEvwDpjYYvQd2P9

    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