Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-23_73e2522bc10147eb0b46ab145c1ac281_cryptolocker

  • Size

    40KB

  • Sample

    240523-c1ptrsaf9w

  • MD5

    73e2522bc10147eb0b46ab145c1ac281

  • SHA1

    257792256c6eb77af6ba0e91cc7d9bdfc9bdffa3

  • SHA256

    9748b5fc6cc9e73ba4d4923f3878a4d1d857454ac4b7240add41709a249e81fe

  • SHA512

    9538182be6fb011f04f5583b3c85d8f9bffed606c054687946f63e85fc159ef8bdc912d5784550db1cc663f347f84d785a239c966d6b5e4d6bef72659d854ddc

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBIn:qDdFJy3QMOtEvwDpjjWMl7Tdc

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_73e2522bc10147eb0b46ab145c1ac281_cryptolocker

    • Size

      40KB

    • MD5

      73e2522bc10147eb0b46ab145c1ac281

    • SHA1

      257792256c6eb77af6ba0e91cc7d9bdfc9bdffa3

    • SHA256

      9748b5fc6cc9e73ba4d4923f3878a4d1d857454ac4b7240add41709a249e81fe

    • SHA512

      9538182be6fb011f04f5583b3c85d8f9bffed606c054687946f63e85fc159ef8bdc912d5784550db1cc663f347f84d785a239c966d6b5e4d6bef72659d854ddc

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBIn:qDdFJy3QMOtEvwDpjjWMl7Tdc

    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