Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-23_0cd7e81faf9c27f078ec2bce27242d2c_cryptolocker

  • Size

    24KB

  • Sample

    240523-ct188aad6s

  • MD5

    0cd7e81faf9c27f078ec2bce27242d2c

  • SHA1

    ca2ff83a6b5419544506d35b330ccd3641084f36

  • SHA256

    db0420194c3838bbe6594eb967885752838b09946e57e76c300a576061c986db

  • SHA512

    b19126af58903c9110d39366003668871d1ecf81cd1574355be92d857f2b5fac7f8beecf7d7ef984143d5cd05264a505627862cd436e95ce0d4b24d78774e6e6

  • SSDEEP

    384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJ2C:bVCPwFRo6CpwXFXSqQXfjAsJ9

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_0cd7e81faf9c27f078ec2bce27242d2c_cryptolocker

    • Size

      24KB

    • MD5

      0cd7e81faf9c27f078ec2bce27242d2c

    • SHA1

      ca2ff83a6b5419544506d35b330ccd3641084f36

    • SHA256

      db0420194c3838bbe6594eb967885752838b09946e57e76c300a576061c986db

    • SHA512

      b19126af58903c9110d39366003668871d1ecf81cd1574355be92d857f2b5fac7f8beecf7d7ef984143d5cd05264a505627862cd436e95ce0d4b24d78774e6e6

    • SSDEEP

      384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJ2C:bVCPwFRo6CpwXFXSqQXfjAsJ9

    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