Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-26_6f631f859a50fe8b47429117b5c33a55_cryptolocker

  • Size

    55KB

  • Sample

    240426-3egt5sfb3z

  • MD5

    6f631f859a50fe8b47429117b5c33a55

  • SHA1

    2a0db8a4d7500e0634730d8e0fd4dd974569322c

  • SHA256

    719d5088daf4d7653a10263470cd7680f3ac55664fff0884332f0382baef113e

  • SHA512

    44e939658f3dbf48debea8b337c7fdac4a4b572096fc56da50007f247a53dc6574da7c779c915d21c7765b3d88ba570bb0bf7fb5a7f85849380c596176c05ae4

  • SSDEEP

    768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+Sh:bP9g/xtCS3Dxx0JSh

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_6f631f859a50fe8b47429117b5c33a55_cryptolocker

    • Size

      55KB

    • MD5

      6f631f859a50fe8b47429117b5c33a55

    • SHA1

      2a0db8a4d7500e0634730d8e0fd4dd974569322c

    • SHA256

      719d5088daf4d7653a10263470cd7680f3ac55664fff0884332f0382baef113e

    • SHA512

      44e939658f3dbf48debea8b337c7fdac4a4b572096fc56da50007f247a53dc6574da7c779c915d21c7765b3d88ba570bb0bf7fb5a7f85849380c596176c05ae4

    • SSDEEP

      768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+Sh:bP9g/xtCS3Dxx0JSh

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • 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