Overview

overview

10

Static

static

3

2023-08-25...JC.exe

windows7-x64

10

2023-08-25...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2023-08-25_e93b3e9bcb724b681becddc6c4f2fa75_mafia_JC.exe

  • Size

    250KB

  • Sample

    230915-wn9g7aha64

  • MD5

    e93b3e9bcb724b681becddc6c4f2fa75

  • SHA1

    9c3c3abac72783b2fb8f63c12b2bee780d37a5a8

  • SHA256

    ad1356788c7983fb05cfdcb581f8d28f022e24e039476ce718db2f7b463c5454

  • SHA512

    a4823e0ce1801652d7f0755edea25ab1f77847f0c7d115fc510b59b93556b902fc8b4cf825ccb75a4097cd8baee82d5856a869436ea6e029dd233a3bc84efaa0

  • SSDEEP

    3072:f/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOdP:f/y20Gj0r+EBFrkvlU3RvIUDOIB

Score
10/10
gandcrabbackdoorpersistenceransomware

Malware Config

Targets

    • Target

      2023-08-25_e93b3e9bcb724b681becddc6c4f2fa75_mafia_JC.exe

    • Size

      250KB

    • MD5

      e93b3e9bcb724b681becddc6c4f2fa75

    • SHA1

      9c3c3abac72783b2fb8f63c12b2bee780d37a5a8

    • SHA256

      ad1356788c7983fb05cfdcb581f8d28f022e24e039476ce718db2f7b463c5454

    • SHA512

      a4823e0ce1801652d7f0755edea25ab1f77847f0c7d115fc510b59b93556b902fc8b4cf825ccb75a4097cd8baee82d5856a869436ea6e029dd233a3bc84efaa0

    • SSDEEP

      3072:f/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOdP:f/y20Gj0r+EBFrkvlU3RvIUDOIB

    Score
    10/10
    gandcrabbackdoorpersistenceransomware

    • GandCrab payload

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

      ransomwarebackdoorgandcrab

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks