Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-23_d5037b5eb118299147cedc7a9b130ba9_cryptolocker

  • Size

    24KB

  • Sample

    240523-a93e4sff99

  • MD5

    d5037b5eb118299147cedc7a9b130ba9

  • SHA1

    2f67928e4fc8b99aa92a8f006b44e0a04432734c

  • SHA256

    65b974d57318431e6ddc49f3df3637127697e82ada68bcf292e265446ecf6de2

  • SHA512

    f3707373a7d31f5e45069c6b41ee721f61cfb4034ec56531e3551d8ca7c7af9bac9c5f98a1cd4e6e621c0a46868fba3dce43219af24c364cd349c0232383e9b6

  • SSDEEP

    384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMmHBQ:bVCPwFRo6CpwXFXSqQXfjAsmHBQ

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_d5037b5eb118299147cedc7a9b130ba9_cryptolocker

    • Size

      24KB

    • MD5

      d5037b5eb118299147cedc7a9b130ba9

    • SHA1

      2f67928e4fc8b99aa92a8f006b44e0a04432734c

    • SHA256

      65b974d57318431e6ddc49f3df3637127697e82ada68bcf292e265446ecf6de2

    • SHA512

      f3707373a7d31f5e45069c6b41ee721f61cfb4034ec56531e3551d8ca7c7af9bac9c5f98a1cd4e6e621c0a46868fba3dce43219af24c364cd349c0232383e9b6

    • SSDEEP

      384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMmHBQ:bVCPwFRo6CpwXFXSqQXfjAsmHBQ

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • 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