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_62fb5ca4613684aadc8d1936744d8a2e_cryptolocker

  • Size

    79KB

  • Sample

    240522-b7cbksgd82

  • MD5

    62fb5ca4613684aadc8d1936744d8a2e

  • SHA1

    f4542bfad25904f697d35837538895612094662c

  • SHA256

    a4263741b2fb24e81dc06b40bfca3f9f891e08fdc3b18c5ee9075511a159b3b1

  • SHA512

    87dc886eaddcd52798650384ad5a6387b2782760fdb5375e7a2625078613be7e84b74c072d3e697a893a68bdfbab3e58f6643b902e65412ac0e6a16334faf5f1

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRk:T6a+rdOOtEvwDpjNth

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_62fb5ca4613684aadc8d1936744d8a2e_cryptolocker

    • Size

      79KB

    • MD5

      62fb5ca4613684aadc8d1936744d8a2e

    • SHA1

      f4542bfad25904f697d35837538895612094662c

    • SHA256

      a4263741b2fb24e81dc06b40bfca3f9f891e08fdc3b18c5ee9075511a159b3b1

    • SHA512

      87dc886eaddcd52798650384ad5a6387b2782760fdb5375e7a2625078613be7e84b74c072d3e697a893a68bdfbab3e58f6643b902e65412ac0e6a16334faf5f1

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRk:T6a+rdOOtEvwDpjNth

    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