Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-26_59811059017beb5121b22f6293e56b72_cryptolocker

  • Size

    55KB

  • Sample

    240426-3d56cafb21

  • MD5

    59811059017beb5121b22f6293e56b72

  • SHA1

    ec3a4160fc4aa20d99294c98857e45903890c43a

  • SHA256

    794db7e8fd0db90f0e146f8f0e15db769667f08c03358357d6d1d74a8a811ef9

  • SHA512

    a93fdfa5b34a8e685a5fc9d79c36f50e8a315ca0bbba565f40e4d4a9180c0f1295148f2b3c870a03ab77b138cd669c2f6a911b636c2f991488b9f14eba7832ec

  • SSDEEP

    768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+SA:bP9g/xtCS3Dxx0JSA

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_59811059017beb5121b22f6293e56b72_cryptolocker

    • Size

      55KB

    • MD5

      59811059017beb5121b22f6293e56b72

    • SHA1

      ec3a4160fc4aa20d99294c98857e45903890c43a

    • SHA256

      794db7e8fd0db90f0e146f8f0e15db769667f08c03358357d6d1d74a8a811ef9

    • SHA512

      a93fdfa5b34a8e685a5fc9d79c36f50e8a315ca0bbba565f40e4d4a9180c0f1295148f2b3c870a03ab77b138cd669c2f6a911b636c2f991488b9f14eba7832ec

    • SSDEEP

      768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+SA:bP9g/xtCS3Dxx0JSA

    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