Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-23_687c814fb7772acd2e045799192a7f8c_cryptolocker

  • Size

    38KB

  • Sample

    240523-czs5ssaf5w

  • MD5

    687c814fb7772acd2e045799192a7f8c

  • SHA1

    f01284c6ace9893543e138e6af87fef7243a2ce9

  • SHA256

    99f6053f2b24c5a3de6d207d6fe6fc5086459a7a19d4ba24d4d177d63b16a686

  • SHA512

    704fad1225044070d930c37a64bdca2ea7d862562bd241dd78be10107da16d79688c738a824433efc80048807cce28351408b2cad90d171354c925fcfc255102

  • SSDEEP

    768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRc:qTJu9cvMOtEvwDpjppVXzRc

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_687c814fb7772acd2e045799192a7f8c_cryptolocker

    • Size

      38KB

    • MD5

      687c814fb7772acd2e045799192a7f8c

    • SHA1

      f01284c6ace9893543e138e6af87fef7243a2ce9

    • SHA256

      99f6053f2b24c5a3de6d207d6fe6fc5086459a7a19d4ba24d4d177d63b16a686

    • SHA512

      704fad1225044070d930c37a64bdca2ea7d862562bd241dd78be10107da16d79688c738a824433efc80048807cce28351408b2cad90d171354c925fcfc255102

    • SSDEEP

      768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRc:qTJu9cvMOtEvwDpjppVXzRc

    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