Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-23_597c68fe4ed9e4eb7051ef7454c0c89f_cryptolocker

  • Size

    39KB

  • Sample

    240523-cza9zsah27

  • MD5

    597c68fe4ed9e4eb7051ef7454c0c89f

  • SHA1

    5d2d84f50f6ee0384ab3c4477fb5588e767e15f0

  • SHA256

    8a00bf228cb70de90eb382a239c24968e497cf79e6d965882ba9638ce87939fb

  • SHA512

    17e631fbb58a81467c437e28d8dc2516782cec6b0448eeeb849f582c13b26f42a2045fb4a2734c4cd083ebde266b1329e5c98f0a1a0a018bd873d871868e784f

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY/:qDdFJy3QMOtEvwDpjjWMl7T+

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_597c68fe4ed9e4eb7051ef7454c0c89f_cryptolocker

    • Size

      39KB

    • MD5

      597c68fe4ed9e4eb7051ef7454c0c89f

    • SHA1

      5d2d84f50f6ee0384ab3c4477fb5588e767e15f0

    • SHA256

      8a00bf228cb70de90eb382a239c24968e497cf79e6d965882ba9638ce87939fb

    • SHA512

      17e631fbb58a81467c437e28d8dc2516782cec6b0448eeeb849f582c13b26f42a2045fb4a2734c4cd083ebde266b1329e5c98f0a1a0a018bd873d871868e784f

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY/:qDdFJy3QMOtEvwDpjjWMl7T+

    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