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_a98dd53dc278e52fdeb039831d65eb27_cryptolocker

  • Size

    60KB

  • Sample

    240426-3fk8ysfb51

  • MD5

    a98dd53dc278e52fdeb039831d65eb27

  • SHA1

    e9d779837c45be26b929c2c01fcd4dd4fc33c814

  • SHA256

    16007684b64dababb05b051830f5b56cf9fd464b3ab0d0b5671e1712cd6f46fa

  • SHA512

    84a4f8f90d41ac67ed6f574b4036dc34d835d2f7b9d96528ebc8423dad46e9615a943f46af365316c2a6eb10b3a67d5bc5cc2a530d16c518a4f4d844180043c6

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1J71l:z6QFElP6n+gKmddpMOtEvwDpj9aYaz7f

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_a98dd53dc278e52fdeb039831d65eb27_cryptolocker

    • Size

      60KB

    • MD5

      a98dd53dc278e52fdeb039831d65eb27

    • SHA1

      e9d779837c45be26b929c2c01fcd4dd4fc33c814

    • SHA256

      16007684b64dababb05b051830f5b56cf9fd464b3ab0d0b5671e1712cd6f46fa

    • SHA512

      84a4f8f90d41ac67ed6f574b4036dc34d835d2f7b9d96528ebc8423dad46e9615a943f46af365316c2a6eb10b3a67d5bc5cc2a530d16c518a4f4d844180043c6

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1J71l:z6QFElP6n+gKmddpMOtEvwDpj9aYaz7f

    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