Overview

overview

10

Static

static

10

2024-05-24...er.exe

windows7-x64

9

2024-05-24...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-24_6b6ca414cfc2fddc684b4fa9d74ec34b_cryptolocker

  • Size

    38KB

  • Sample

    240524-e6c39sdd55

  • MD5

    6b6ca414cfc2fddc684b4fa9d74ec34b

  • SHA1

    dee4a98eb93ec018f85f465ea62387ffce26d27b

  • SHA256

    4442fd992b97c1e690cda4a944992298ed1ae7c187853737fc6d28a2c64edbc0

  • SHA512

    fa99513735edb4e44b1f91ea4abc48b00ac522ec45738ca298d1997e419f043fe71d9be30ee55e4ba96f8b877b2f5b68b1419b8792c309f182d2beb9b5bb5f21

  • SSDEEP

    768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3Dh:qUmnpomddpMOtEvwDpjjaYaQl

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-24_6b6ca414cfc2fddc684b4fa9d74ec34b_cryptolocker

    • Size

      38KB

    • MD5

      6b6ca414cfc2fddc684b4fa9d74ec34b

    • SHA1

      dee4a98eb93ec018f85f465ea62387ffce26d27b

    • SHA256

      4442fd992b97c1e690cda4a944992298ed1ae7c187853737fc6d28a2c64edbc0

    • SHA512

      fa99513735edb4e44b1f91ea4abc48b00ac522ec45738ca298d1997e419f043fe71d9be30ee55e4ba96f8b877b2f5b68b1419b8792c309f182d2beb9b5bb5f21

    • SSDEEP

      768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3Dh:qUmnpomddpMOtEvwDpjjaYaQl

    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