Overview

overview

10

Static

static

10

2024-05-24...er.exe

windows7-x64

9

2024-05-24...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-24_244fe998850ac1edf4a64bc8f44adad9_cryptolocker

  • Size

    69KB

  • Sample

    240524-e1pvwadb35

  • MD5

    244fe998850ac1edf4a64bc8f44adad9

  • SHA1

    797d4429f18ab4fa0c5d6d6da936c454c4f6524b

  • SHA256

    22c14bd747ddfcd8a0a61bc473c7fcd4326f26c42798cc84ba58863fef7692b0

  • SHA512

    94ffea9866235469b40ef4067381306827aeceb4cd97d8908a6e21e568f2c0fa7212bc5374e9d6cec8e930670f9f984467b0a610f0fe1d81d8247925c2067972

  • SSDEEP

    1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9c:C4Q2c94OtEvwDpj4H8zl

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-24_244fe998850ac1edf4a64bc8f44adad9_cryptolocker

    • Size

      69KB

    • MD5

      244fe998850ac1edf4a64bc8f44adad9

    • SHA1

      797d4429f18ab4fa0c5d6d6da936c454c4f6524b

    • SHA256

      22c14bd747ddfcd8a0a61bc473c7fcd4326f26c42798cc84ba58863fef7692b0

    • SHA512

      94ffea9866235469b40ef4067381306827aeceb4cd97d8908a6e21e568f2c0fa7212bc5374e9d6cec8e930670f9f984467b0a610f0fe1d81d8247925c2067972

    • SSDEEP

      1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9c:C4Q2c94OtEvwDpj4H8zl

    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

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks