Overview

overview

10

Static

static

10

2024-05-24...er.exe

windows7-x64

9

2024-05-24...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-24_f6d28fb77cccde9d5cc9a2dbb5cd805a_cryptolocker

  • Size

    53KB

  • Sample

    240524-etclzacg51

  • MD5

    f6d28fb77cccde9d5cc9a2dbb5cd805a

  • SHA1

    b234b36f27dc46c04b6587bfa50a797a13d7f08e

  • SHA256

    57f258d6f8f5c3f709d996701d34826a59b319e2791196ca9427bdf5a0e31730

  • SHA512

    1e78ac926161702af517dd41e95bd808eacffc2d7af1e75578c6fdf7ef47e5fb00ca5955e94424a513216155ca7f77d9e4199bebbc501a3f1baa91c030fb3f08

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOs:z6QFElP6n+gKmddpMOtEvwDpj31is

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-24_f6d28fb77cccde9d5cc9a2dbb5cd805a_cryptolocker

    • Size

      53KB

    • MD5

      f6d28fb77cccde9d5cc9a2dbb5cd805a

    • SHA1

      b234b36f27dc46c04b6587bfa50a797a13d7f08e

    • SHA256

      57f258d6f8f5c3f709d996701d34826a59b319e2791196ca9427bdf5a0e31730

    • SHA512

      1e78ac926161702af517dd41e95bd808eacffc2d7af1e75578c6fdf7ef47e5fb00ca5955e94424a513216155ca7f77d9e4199bebbc501a3f1baa91c030fb3f08

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOs:z6QFElP6n+gKmddpMOtEvwDpj31is

    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