Overview

overview

10

Static

static

3

81b9f50bd9...37.exe

windows7-x64

10

81b9f50bd9...37.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    81b9f50bd9a95b439d3b59743be57d37.bin

  • Size

    250KB

  • Sample

    240329-cv4ezafc6s

  • MD5

    81b9f50bd9a95b439d3b59743be57d37

  • SHA1

    51238aeb43963f0ca398fa66c541403681dc3d8b

  • SHA256

    107957aeb05f67e3f8b23da5ff8cd4b93badbbc9b091cb6677fcca4a01a0d846

  • SHA512

    15e16ec2093744e9865b5a03f0e11f3e7afee6dea8626cd6f60a94947499da3ec08463daa8d41932a879a6f6a7c036a729a66ce596d6837446014675cde59b96

  • SSDEEP

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

Score
10/10
gandcrabbackdoorpersistenceransomware

Malware Config

Targets

    • Target

      81b9f50bd9a95b439d3b59743be57d37.bin

    • Size

      250KB

    • MD5

      81b9f50bd9a95b439d3b59743be57d37

    • SHA1

      51238aeb43963f0ca398fa66c541403681dc3d8b

    • SHA256

      107957aeb05f67e3f8b23da5ff8cd4b93badbbc9b091cb6677fcca4a01a0d846

    • SHA512

      15e16ec2093744e9865b5a03f0e11f3e7afee6dea8626cd6f60a94947499da3ec08463daa8d41932a879a6f6a7c036a729a66ce596d6837446014675cde59b96

    • SSDEEP

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

    Score
    10/10
    gandcrabbackdoorpersistenceransomware

    • GandCrab payload

    • Gandcrab

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

      ransomwarebackdoorgandcrab

    • 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