Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-21_871b5515c64891358b210eb49a0c2d7f_cryptolocker

  • Size

    24KB

  • Sample

    240521-s7btgsah7y

  • MD5

    871b5515c64891358b210eb49a0c2d7f

  • SHA1

    c59d23940a15b90bf00167c2d5dfea2f18a540d7

  • SHA256

    6822a63856e3199e9635640d448844db2da11daec50f239d461e9832050a1bd0

  • SHA512

    109a315fd6d14e0aeb3a91f8950ac4622a167ec6a7e9ce72332f601dff2ea365df4cc891ed9e32ed2377f4b7cb01ffbfbfc7ef76427024b0f069dbb06496f2df

  • SSDEEP

    384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJ23/:bVCPwFRo6CpwXFXSqQXfjAsJ+/

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_871b5515c64891358b210eb49a0c2d7f_cryptolocker

    • Size

      24KB

    • MD5

      871b5515c64891358b210eb49a0c2d7f

    • SHA1

      c59d23940a15b90bf00167c2d5dfea2f18a540d7

    • SHA256

      6822a63856e3199e9635640d448844db2da11daec50f239d461e9832050a1bd0

    • SHA512

      109a315fd6d14e0aeb3a91f8950ac4622a167ec6a7e9ce72332f601dff2ea365df4cc891ed9e32ed2377f4b7cb01ffbfbfc7ef76427024b0f069dbb06496f2df

    • SSDEEP

      384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJ23/:bVCPwFRo6CpwXFXSqQXfjAsJ+/

    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