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_ea361e5a5c0809ba1877b1e09f3cd342_cryptolocker

  • Size

    52KB

  • Sample

    240426-3hcplafb9y

  • MD5

    ea361e5a5c0809ba1877b1e09f3cd342

  • SHA1

    8b2d8bc91ce009ad59fc740a575b721a615d2e73

  • SHA256

    621df9406c242723ecfcfb62ce3800edb688043c271f131a660458e57f9f2e4d

  • SHA512

    5a761ba81f27cde84de049f558787fcb5c899ccc1d42142867e663f5257889fe23e60f8a15641cc2616d91247734b1af7135a99efb4638f1177c1864763f7b60

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOP4:z6QFElP6n+gKmddpMOtEvwDpj31iP4

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_ea361e5a5c0809ba1877b1e09f3cd342_cryptolocker

    • Size

      52KB

    • MD5

      ea361e5a5c0809ba1877b1e09f3cd342

    • SHA1

      8b2d8bc91ce009ad59fc740a575b721a615d2e73

    • SHA256

      621df9406c242723ecfcfb62ce3800edb688043c271f131a660458e57f9f2e4d

    • SHA512

      5a761ba81f27cde84de049f558787fcb5c899ccc1d42142867e663f5257889fe23e60f8a15641cc2616d91247734b1af7135a99efb4638f1177c1864763f7b60

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOP4:z6QFElP6n+gKmddpMOtEvwDpj31iP4

    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