Overview

overview

9

Static

static

3

Dharma.exe

windows7-x64

9

Dharma.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    Dharma.exe

  • Size

    11.5MB

  • Sample

    241121-byeqcaxnfx

  • MD5

    928e37519022745490d1af1ce6f336f7

  • SHA1

    b7840242393013f2c4c136ac7407e332be075702

  • SHA256

    6fb303dd8ba36381948127d44bd8541e4a1ab8af07b46526ace08458f2498850

  • SHA512

    8040195ab2b2e15c9d5ffa13a47a61c709738d1cf5e2108e848fedf3408e5bad5f2fc5f523f170f6a80cb33a4f5612d3d60dd343d028e55cfc08cd2f6ed2947c

  • SSDEEP

    196608:JZnMy97vfgla5NX7YaP6uIEJsp+jb4agYSUpHm6g90MrYmhZZoG0tLzr1+W:LnMy9rfma5NrYaVzC0b4vpZZoG0tR+W

Score
9/10
defense_evasiondiscoveryevasionexecutionimpactlateral_movementpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target

      Dharma.exe

    • Size

      11.5MB

    • MD5

      928e37519022745490d1af1ce6f336f7

    • SHA1

      b7840242393013f2c4c136ac7407e332be075702

    • SHA256

      6fb303dd8ba36381948127d44bd8541e4a1ab8af07b46526ace08458f2498850

    • SHA512

      8040195ab2b2e15c9d5ffa13a47a61c709738d1cf5e2108e848fedf3408e5bad5f2fc5f523f170f6a80cb33a4f5612d3d60dd343d028e55cfc08cd2f6ed2947c

    • SSDEEP

      196608:JZnMy97vfgla5NX7YaP6uIEJsp+jb4agYSUpHm6g90MrYmhZZoG0tLzr1+W:LnMy9rfma5NrYaVzC0b4vpZZoG0tR+W

    Score
    9/10
    defense_evasiondiscoveryevasionexecutionimpactlateral_movementpersistenceprivilege_escalationransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

      lateral_movement

    • Modifies Windows Firewall

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Password Policy Discovery

      Attempt to access detailed information about the password policy used within an enterprise network.

      discovery

    • Hide Artifacts: Hidden Users

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Direct Volume Access

1
T1006

Hide Artifacts

3
T1564

Hidden Files and Directories

2
T1564.001

Hidden Users

1
T1564.002

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Safe Mode Boot

1
T1562.009

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

1
T1112

Credential Access

Discovery

Password Policy Discovery

1
T1201

Peripheral Device Discovery

1
T1120

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Remote Service Session Hijacking

1
T1563

RDP Hijacking

1
T1563.002

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks