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_5c945e904e56c1008ca77d32a5b6e4f4_cryptolocker

  • Size

    78KB

  • Sample

    240521-s2r9aaaf9y

  • MD5

    5c945e904e56c1008ca77d32a5b6e4f4

  • SHA1

    513c9dc7d2e933ca455fbff10476c2555e7a18a2

  • SHA256

    447c6c75cdba7082bdd8eb386f5ad6e1bf2c0b0a4bdfca31e411daa647306c9e

  • SHA512

    69283cb14ff7c9f424f493fc7ca0fa262ad0e6f9983ebe3b4de8bcb5f6ab7c9961b5723249744dfac8cce983bb54bc1dbc6062dcabc4a6aea829db91e734cc79

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1FV:T6a+rdOOtEvwDpjNtHPU

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_5c945e904e56c1008ca77d32a5b6e4f4_cryptolocker

    • Size

      78KB

    • MD5

      5c945e904e56c1008ca77d32a5b6e4f4

    • SHA1

      513c9dc7d2e933ca455fbff10476c2555e7a18a2

    • SHA256

      447c6c75cdba7082bdd8eb386f5ad6e1bf2c0b0a4bdfca31e411daa647306c9e

    • SHA512

      69283cb14ff7c9f424f493fc7ca0fa262ad0e6f9983ebe3b4de8bcb5f6ab7c9961b5723249744dfac8cce983bb54bc1dbc6062dcabc4a6aea829db91e734cc79

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1FV:T6a+rdOOtEvwDpjNtHPU

    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