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_f728badbee0e9e8b0355123dc5e5418c_mafia_JC.exe

  • Size

    250KB

  • Sample

    230915-xj8wjahd58

  • MD5

    f728badbee0e9e8b0355123dc5e5418c

  • SHA1

    e1b9fff6d4b894d413662d0d53db9fcfc7da4f9a

  • SHA256

    06d9d776f53e7950afc22508309f2ff7aa72fc7834dc7de495126a0633767789

  • SHA512

    0e79064ba7fdf9c7099837d0651f7318e56ddc4720617e3e431c9c08e40e70a0a68c1657df358a91a33a64c0ea286151a0e595ba06d95ec4d8fdcc2ee0d6b658

  • SSDEEP

    3072:B/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:B/y20Gj0r+EBFrkvlU3RvIUDOIN

Score
10/10
gandcrabbackdoorpersistenceransomware

Malware Config

Targets

    • Target

      2023-08-25_f728badbee0e9e8b0355123dc5e5418c_mafia_JC.exe

    • Size

      250KB

    • MD5

      f728badbee0e9e8b0355123dc5e5418c

    • SHA1

      e1b9fff6d4b894d413662d0d53db9fcfc7da4f9a

    • SHA256

      06d9d776f53e7950afc22508309f2ff7aa72fc7834dc7de495126a0633767789

    • SHA512

      0e79064ba7fdf9c7099837d0651f7318e56ddc4720617e3e431c9c08e40e70a0a68c1657df358a91a33a64c0ea286151a0e595ba06d95ec4d8fdcc2ee0d6b658

    • SSDEEP

      3072:B/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:B/y20Gj0r+EBFrkvlU3RvIUDOIN

    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