Overview

overview

10

Static

static

7

CD5j9fwc.exe

windows7-x64

9

CD5j9fwc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    CD5j9fwc.exe

  • Size

    27.9MB

  • Sample

    241120-17t9tsvkdt

  • MD5

    34e055a67b10a1a14994b6b3457698e2

  • SHA1

    6b299dca56f55a0656b23fd035f4353dc049343a

  • SHA256

    01b6ee7d4a8b358ef51e4f2d19f75ff4de4d4acab7c56f2a3063e4b35847dd09

  • SHA512

    8437dde18940cf8197d25f729bbaaf0803b81ffa1ed13128c91e6e3a65f01fc8253a19badc6e71c187928832dbabb03cf45ddc392e19e4c5dc6f741ada13d218

  • SSDEEP

    786432:PPhOXo+/5eJC7HRCyM1yMRUEvTHBfBRcda3:3AY+/4JOlQ7PRco3

Score
10/10
defense_evasiondiscoveryevasionexecutionpersistenceransomwarethemidatrojan

Malware Config

Targets

    • Target

      CD5j9fwc.exe

    • Size

      27.9MB

    • MD5

      34e055a67b10a1a14994b6b3457698e2

    • SHA1

      6b299dca56f55a0656b23fd035f4353dc049343a

    • SHA256

      01b6ee7d4a8b358ef51e4f2d19f75ff4de4d4acab7c56f2a3063e4b35847dd09

    • SHA512

      8437dde18940cf8197d25f729bbaaf0803b81ffa1ed13128c91e6e3a65f01fc8253a19badc6e71c187928832dbabb03cf45ddc392e19e4c5dc6f741ada13d218

    • SSDEEP

      786432:PPhOXo+/5eJC7HRCyM1yMRUEvTHBfBRcda3:3AY+/4JOlQ7PRco3

    Score
    10/10
    defense_evasiondiscoveryevasionexecutionpersistencethemidatrojanransomware

    • Deletes NTFS Change Journal

      The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.

      ransomware

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Server Software Component: Terminal Services DLL

      persistence

    • Stops running service(s)

      evasionexecution

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Time Providers

1
T1547.003

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Time Providers

1
T1547.003

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

1
T1564

Ignore Process Interrupts

1
T1564.011

Impair Defenses

1
T1562

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

System Time Discovery

1
T1124

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Data Destruction

1
T1485

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Tasks