Overview

overview

10

Static

static

10

2024-04-27...er.exe

windows7-x64

9

2024-04-27...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-27_2c8f03e6b4e0d6b2d7657a86b81b8ca6_cryptolocker

  • Size

    89KB

  • Sample

    240427-2ckmkshh66

  • MD5

    2c8f03e6b4e0d6b2d7657a86b81b8ca6

  • SHA1

    51b3c4547201b48e223cb183a5ff5125b13b4000

  • SHA256

    c09aff72ff469772bd65dfcd049fc74e243fae9a91686b16e26a0562519703d2

  • SHA512

    0d0d8e9b27592584c6a9731337d650265b788ebe86f67447ef062e95530b5e4d0f2c654062ad397ee8498a6948496e6facee949af166f42b70e40bbc53cd1d24

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAAL3:n6a+1SEOtEvwDpjYYvQd2P0

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-27_2c8f03e6b4e0d6b2d7657a86b81b8ca6_cryptolocker

    • Size

      89KB

    • MD5

      2c8f03e6b4e0d6b2d7657a86b81b8ca6

    • SHA1

      51b3c4547201b48e223cb183a5ff5125b13b4000

    • SHA256

      c09aff72ff469772bd65dfcd049fc74e243fae9a91686b16e26a0562519703d2

    • SHA512

      0d0d8e9b27592584c6a9731337d650265b788ebe86f67447ef062e95530b5e4d0f2c654062ad397ee8498a6948496e6facee949af166f42b70e40bbc53cd1d24

    • SSDEEP

      1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAAL3:n6a+1SEOtEvwDpjYYvQd2P0

    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