Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-21_046829dfcb6db45ad7d301adeede36c9_cryptolocker

  • Size

    87KB

  • Sample

    240521-s4q41aag7w

  • MD5

    046829dfcb6db45ad7d301adeede36c9

  • SHA1

    2b3047cae1d3ab3b4081d9ff6d3b8c0fc7ea5357

  • SHA256

    6b7e209aef90f5586652803cce623f3bead4e61894b6be52d1749d24b289838b

  • SHA512

    07c16d46bd5f1ee1056a44d0ca3913b0baa5bed2045e431441a735cc5e8d9f2ed44eafb600a3fc3f7240a0fb88d6f08b68bc547b3ce427c063f6c19b56efe936

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Rd:T6a+rdOOtEvwDpjNQ

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_046829dfcb6db45ad7d301adeede36c9_cryptolocker

    • Size

      87KB

    • MD5

      046829dfcb6db45ad7d301adeede36c9

    • SHA1

      2b3047cae1d3ab3b4081d9ff6d3b8c0fc7ea5357

    • SHA256

      6b7e209aef90f5586652803cce623f3bead4e61894b6be52d1749d24b289838b

    • SHA512

      07c16d46bd5f1ee1056a44d0ca3913b0baa5bed2045e431441a735cc5e8d9f2ed44eafb600a3fc3f7240a0fb88d6f08b68bc547b3ce427c063f6c19b56efe936

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Rd:T6a+rdOOtEvwDpjNQ

    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