Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-22_4128b390510f077b44e9fa8f6386e29d_cryptolocker

  • Size

    52KB

  • Sample

    240522-cy9q6ahf51

  • MD5

    4128b390510f077b44e9fa8f6386e29d

  • SHA1

    61420ea5ea4adc341c41e17a5f80aaa2eed553a8

  • SHA256

    57ed788d93e70b4ecd4b371261f230dbf010878247fee02a97d5342446ec7fe5

  • SHA512

    905a95c1a528b171e46f30bdfd9f450139d021b0d3b1d7118978ddf6264fc7199e8e0dd5bdec59fe8d55d87f9c6e994002b11037685b08ff1f741954b14fda33

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOmK:z6QFElP6n+gKmddpMOtEvwDpj31imK

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_4128b390510f077b44e9fa8f6386e29d_cryptolocker

    • Size

      52KB

    • MD5

      4128b390510f077b44e9fa8f6386e29d

    • SHA1

      61420ea5ea4adc341c41e17a5f80aaa2eed553a8

    • SHA256

      57ed788d93e70b4ecd4b371261f230dbf010878247fee02a97d5342446ec7fe5

    • SHA512

      905a95c1a528b171e46f30bdfd9f450139d021b0d3b1d7118978ddf6264fc7199e8e0dd5bdec59fe8d55d87f9c6e994002b11037685b08ff1f741954b14fda33

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOmK:z6QFElP6n+gKmddpMOtEvwDpj31imK

    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