Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-21_6e16802668d1dd95e21d6a65f65be195_cryptolocker

  • Size

    59KB

  • Sample

    240521-t9s18aca75

  • MD5

    6e16802668d1dd95e21d6a65f65be195

  • SHA1

    2fd04914abd2bb1cadd248e93bf91034dbe3ddd9

  • SHA256

    f658b27c6341221442d65f4f1c14f09bcdcd40c73c5e81b863773486468765f0

  • SHA512

    89f330821776df3fb35c21a235eeeb080e1d1411a61565965b529d027ef18166e0e6c33ab4d5860a02b6f946f330aa6a91f0defd38df35f8818ae028b73a611a

  • SSDEEP

    768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPj8:H6QFElP6n+gou9cvMOtEvwDpjCpVXJ

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_6e16802668d1dd95e21d6a65f65be195_cryptolocker

    • Size

      59KB

    • MD5

      6e16802668d1dd95e21d6a65f65be195

    • SHA1

      2fd04914abd2bb1cadd248e93bf91034dbe3ddd9

    • SHA256

      f658b27c6341221442d65f4f1c14f09bcdcd40c73c5e81b863773486468765f0

    • SHA512

      89f330821776df3fb35c21a235eeeb080e1d1411a61565965b529d027ef18166e0e6c33ab4d5860a02b6f946f330aa6a91f0defd38df35f8818ae028b73a611a

    • SSDEEP

      768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPj8:H6QFElP6n+gou9cvMOtEvwDpjCpVXJ

    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