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_aed827496506602083af0d70b8277b17_cryptolocker

  • Size

    96KB

  • Sample

    240426-3ftv4afb6t

  • MD5

    aed827496506602083af0d70b8277b17

  • SHA1

    e4c8904daa2efe2b315637925ee2900c815c02f0

  • SHA256

    c99bdebac524c8c36f47b0605fb2d5d3a4806ffe0a71d7da742b4938f44441cb

  • SHA512

    ef1882cdb2860e26e6ad469118245840b64e07d2bacbebdc7ad14d0e7f465404c548f9f4d8f6c2cde5a32b20371f4af11c0655a0f4e4cddb04521f3de807d7c2

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bM:zCsanOtEvwDpjBI

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_aed827496506602083af0d70b8277b17_cryptolocker

    • Size

      96KB

    • MD5

      aed827496506602083af0d70b8277b17

    • SHA1

      e4c8904daa2efe2b315637925ee2900c815c02f0

    • SHA256

      c99bdebac524c8c36f47b0605fb2d5d3a4806ffe0a71d7da742b4938f44441cb

    • SHA512

      ef1882cdb2860e26e6ad469118245840b64e07d2bacbebdc7ad14d0e7f465404c548f9f4d8f6c2cde5a32b20371f4af11c0655a0f4e4cddb04521f3de807d7c2

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bM:zCsanOtEvwDpjBI

    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