Overview

overview

10

Static

static

10

2024-05-24...er.exe

windows7-x64

9

2024-05-24...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-24_45351ee660f8ad6df78cbc62de3ceb53_cryptolocker

  • Size

    37KB

  • Sample

    240524-e3jrmsdc25

  • MD5

    45351ee660f8ad6df78cbc62de3ceb53

  • SHA1

    e64992bc032a1f99a9d1319c2c63a48b2db268ba

  • SHA256

    a173b4a276fe1ee16e6e7bce888abd2ea0170407b7e875eab3b79bed1efef0b0

  • SHA512

    5f65317107579f9f32f1a602c725c5bbc059536748c0cd449ef3538cc3f267658376219cc3b3d69854b601b6cdeb838d4b8e375b9abed623f6d21b53850523ae

  • SSDEEP

    768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5ax+NE:qUmnpomddpMOtEvwDpjjaYar

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-24_45351ee660f8ad6df78cbc62de3ceb53_cryptolocker

    • Size

      37KB

    • MD5

      45351ee660f8ad6df78cbc62de3ceb53

    • SHA1

      e64992bc032a1f99a9d1319c2c63a48b2db268ba

    • SHA256

      a173b4a276fe1ee16e6e7bce888abd2ea0170407b7e875eab3b79bed1efef0b0

    • SHA512

      5f65317107579f9f32f1a602c725c5bbc059536748c0cd449ef3538cc3f267658376219cc3b3d69854b601b6cdeb838d4b8e375b9abed623f6d21b53850523ae

    • SSDEEP

      768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5ax+NE:qUmnpomddpMOtEvwDpjjaYar

    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