Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-21_c9a806ce5baa9df5b534b6386d68d3ac_cryptolocker

  • Size

    90KB

  • Sample

    240521-rwm7pshd3s

  • MD5

    c9a806ce5baa9df5b534b6386d68d3ac

  • SHA1

    321cd998284c7abccbd437de125fb2aa1504d6a7

  • SHA256

    a368077a7e78e2f6cf3fa94e12c3bf1b6c82af0591af74fb574096bda9ede5f8

  • SHA512

    e0950ef3f98df12e8c1bda95eb1479846a7d84e8f6a99e4a3f3651c3e05ac157aec80d4751308c83df8b7c20a3aaf218ff9cd0d8146ee4e17a158eb674f0245d

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/u:n6a+1SEOtEvwDpjYYvQd2Pl

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_c9a806ce5baa9df5b534b6386d68d3ac_cryptolocker

    • Size

      90KB

    • MD5

      c9a806ce5baa9df5b534b6386d68d3ac

    • SHA1

      321cd998284c7abccbd437de125fb2aa1504d6a7

    • SHA256

      a368077a7e78e2f6cf3fa94e12c3bf1b6c82af0591af74fb574096bda9ede5f8

    • SHA512

      e0950ef3f98df12e8c1bda95eb1479846a7d84e8f6a99e4a3f3651c3e05ac157aec80d4751308c83df8b7c20a3aaf218ff9cd0d8146ee4e17a158eb674f0245d

    • SSDEEP

      1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/u:n6a+1SEOtEvwDpjYYvQd2Pl

    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