Overview

overview

10

Static

static

1efdba3512...b2.exe

windows7_x64

10

1efdba3512...b2.exe

windows10-2004_x64

3

Sharing

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General

  • Target

    1efdba3512772f4785c7e1d879f3149834dc1db3c14df5bcd81e0e12b3f0adb2

  • Size

    244KB

  • Sample

    220612-x258csgge2

  • MD5

    1390f705f48b1d089b09f0cdb58b7f5c

  • SHA1

    5aa34f0770a254747d57677ad8fc8a88917e6a57

  • SHA256

    1efdba3512772f4785c7e1d879f3149834dc1db3c14df5bcd81e0e12b3f0adb2

  • SHA512

    a0a52bd8f6266fe6802a10232ef52f1bb48e976a31730f3440f89d46d0a5a36c1f7186dffec50fe212d1115bfa3555a5335f2731c8ba6cf4bfedc290924ffeca

Score
10/10
cryptonepackerpersistencesuricata

Malware Config

Targets

    • Target

      1efdba3512772f4785c7e1d879f3149834dc1db3c14df5bcd81e0e12b3f0adb2

    • Size

      244KB

    • MD5

      1390f705f48b1d089b09f0cdb58b7f5c

    • SHA1

      5aa34f0770a254747d57677ad8fc8a88917e6a57

    • SHA256

      1efdba3512772f4785c7e1d879f3149834dc1db3c14df5bcd81e0e12b3f0adb2

    • SHA512

      a0a52bd8f6266fe6802a10232ef52f1bb48e976a31730f3440f89d46d0a5a36c1f7186dffec50fe212d1115bfa3555a5335f2731c8ba6cf4bfedc290924ffeca

    Score
    10/10
    cryptonepackerpersistencesuricata

    • suricata: ET MALWARE DNS Reply Sinkhole - Microsoft - 199.2.137.0/24

      suricata: ET MALWARE DNS Reply Sinkhole - Microsoft - 199.2.137.0/24

      suricata

    • CryptOne packer

      Detects CryptOne packer defined in NCC blogpost.

      cryptonepacker

    • Deletes itself

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks