Overview

overview

10

Static

static

10

2024-04-27...er.exe

windows7-x64

9

2024-04-27...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-27_65458a97bac175a8c43ceb91584c6b83_cryptolocker

  • Size

    87KB

  • Sample

    240427-2gnj2aad31

  • MD5

    65458a97bac175a8c43ceb91584c6b83

  • SHA1

    b38e339e3318d60233b40b1acf753da64df9b05d

  • SHA256

    e418916c32890325e375b16e8d6684edde99fde84db496f59cfdf9d84733aeb2

  • SHA512

    e1458321b80be6559afc231adb4667d7b6339602d9724babd1a6f7bf3e0afd2ed72b09317bec2f97fee932c0be0cc26e87def5ccd9f913ec679a25b6e59901bf

  • SSDEEP

    768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODw:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgK

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-27_65458a97bac175a8c43ceb91584c6b83_cryptolocker

    • Size

      87KB

    • MD5

      65458a97bac175a8c43ceb91584c6b83

    • SHA1

      b38e339e3318d60233b40b1acf753da64df9b05d

    • SHA256

      e418916c32890325e375b16e8d6684edde99fde84db496f59cfdf9d84733aeb2

    • SHA512

      e1458321b80be6559afc231adb4667d7b6339602d9724babd1a6f7bf3e0afd2ed72b09317bec2f97fee932c0be0cc26e87def5ccd9f913ec679a25b6e59901bf

    • SSDEEP

      768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODw:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgK

    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