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_d708c42c2ef0b943ff23050fe2631c3e_cryptolocker

  • Size

    89KB

  • Sample

    240523-wyxldabf62

  • MD5

    d708c42c2ef0b943ff23050fe2631c3e

  • SHA1

    f30286ada57814de0740d932902a818cb5ec7468

  • SHA256

    9b77f1087c9a0fcf97a53bc9c8d623e91ea391db201164524d6c08dbfb1f0d3e

  • SHA512

    96929285fc2190b3ce6d139bb1c4735825972bbf0c31af44d2afd259d830753e395a1b55b6dde8092af871f63f8d5ea48792ab79fab12868ed77a62ac8a85995

  • SSDEEP

    768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODh:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgP

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_d708c42c2ef0b943ff23050fe2631c3e_cryptolocker

    • Size

      89KB

    • MD5

      d708c42c2ef0b943ff23050fe2631c3e

    • SHA1

      f30286ada57814de0740d932902a818cb5ec7468

    • SHA256

      9b77f1087c9a0fcf97a53bc9c8d623e91ea391db201164524d6c08dbfb1f0d3e

    • SHA512

      96929285fc2190b3ce6d139bb1c4735825972bbf0c31af44d2afd259d830753e395a1b55b6dde8092af871f63f8d5ea48792ab79fab12868ed77a62ac8a85995

    • SSDEEP

      768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODh:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgP

    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