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_4f26203729e8b75dcb7fa88269997e52_cryptolocker

  • Size

    60KB

  • Sample

    240521-t5adbaca5w

  • MD5

    4f26203729e8b75dcb7fa88269997e52

  • SHA1

    9802af3e4ab140739481f241ca6a881cccc27d2e

  • SHA256

    ce68b6e12521e3fdb126cba388e98b3ebeda44b4751339e57fb2a9a532af21aa

  • SHA512

    3084699a47f05f37d3b0d77da48aa181c0ee7aee70f163d54d19c78749f5b472873d003f4cad5b58e6c2fb804eeafb77d358e75924aa78b9dafa0b2c856e72ce

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf3I:z6a+CdOOtEvwDpjQz

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_4f26203729e8b75dcb7fa88269997e52_cryptolocker

    • Size

      60KB

    • MD5

      4f26203729e8b75dcb7fa88269997e52

    • SHA1

      9802af3e4ab140739481f241ca6a881cccc27d2e

    • SHA256

      ce68b6e12521e3fdb126cba388e98b3ebeda44b4751339e57fb2a9a532af21aa

    • SHA512

      3084699a47f05f37d3b0d77da48aa181c0ee7aee70f163d54d19c78749f5b472873d003f4cad5b58e6c2fb804eeafb77d358e75924aa78b9dafa0b2c856e72ce

    • SSDEEP

      1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf3I:z6a+CdOOtEvwDpjQz

    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