Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-22_1f10bcf9dd9ef128e8257d6c1a2ecc8a_cryptolocker

  • Size

    52KB

  • Sample

    240522-3c2rjada42

  • MD5

    1f10bcf9dd9ef128e8257d6c1a2ecc8a

  • SHA1

    598064c3814b6a5ccaf05c7d5b45adbac03a279d

  • SHA256

    d5cea2156e24986fa2a025d2f1fb236ab76db70553ba98401947efb895f90271

  • SHA512

    9e54afadd143b05f45b4d88f7f833b2eb746da6932972332b8a93efa621d09298782d0404242148977ab821d0307f8bf9d35e6d13a6ccb90558226b3af96e830

  • SSDEEP

    768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOnF:bODOw9acifAoc+vsF

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_1f10bcf9dd9ef128e8257d6c1a2ecc8a_cryptolocker

    • Size

      52KB

    • MD5

      1f10bcf9dd9ef128e8257d6c1a2ecc8a

    • SHA1

      598064c3814b6a5ccaf05c7d5b45adbac03a279d

    • SHA256

      d5cea2156e24986fa2a025d2f1fb236ab76db70553ba98401947efb895f90271

    • SHA512

      9e54afadd143b05f45b4d88f7f833b2eb746da6932972332b8a93efa621d09298782d0404242148977ab821d0307f8bf9d35e6d13a6ccb90558226b3af96e830

    • SSDEEP

      768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOnF:bODOw9acifAoc+vsF

    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