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_dfa1fa3c1d66d405aff948dc520176c3_cryptolocker

  • Size

    40KB

  • Sample

    240522-c32lcahg71

  • MD5

    dfa1fa3c1d66d405aff948dc520176c3

  • SHA1

    f8d44238d465d62723d47addfdc90f03ea906445

  • SHA256

    4c823988b548f47ca28ab5f06d47f52f24634c4c483fc745cf5f40434146cb70

  • SHA512

    b3cb104e8d296fb1d2e8b590d369a573489b7316061c5a0e7307fe433cafe4b90022773c8fffb7b6214321d1ab5211c9cd0af08b2a6008b41b22faa29864a120

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYV:qDdFJy3QMOtEvwDpjjWMl7Tg

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_dfa1fa3c1d66d405aff948dc520176c3_cryptolocker

    • Size

      40KB

    • MD5

      dfa1fa3c1d66d405aff948dc520176c3

    • SHA1

      f8d44238d465d62723d47addfdc90f03ea906445

    • SHA256

      4c823988b548f47ca28ab5f06d47f52f24634c4c483fc745cf5f40434146cb70

    • SHA512

      b3cb104e8d296fb1d2e8b590d369a573489b7316061c5a0e7307fe433cafe4b90022773c8fffb7b6214321d1ab5211c9cd0af08b2a6008b41b22faa29864a120

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYV:qDdFJy3QMOtEvwDpjjWMl7Tg

    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