Overview

overview

10

Static

static

3

9634f5c9bd...aN.exe

windows7-x64

10

9634f5c9bd...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9634f5c9bd619d2b7cc20409d3d88fcaded8af9d608a6238bb783ff9d749f0caN

  • Size

    351KB

  • Sample

    241015-hcshmszekb

  • MD5

    8e3bec4f465c89a6243c457c92000d30

  • SHA1

    395bb5624d25b9d9e6ec040b4c733d6e8794c018

  • SHA256

    9634f5c9bd619d2b7cc20409d3d88fcaded8af9d608a6238bb783ff9d749f0ca

  • SHA512

    71c452941343bf0fe67258bac71515111a47c634cdb8ee700f9f206130a9c52406d2ed9cc1bebc0198f44e3e7a820712937a0326e92f69c81398fe324194f389

  • SSDEEP

    6144:V/OZpl5YZplx/OZpl7/OZplx/OZplQ/OZplU:V/M5qx/M7/Mx/MQ/MU

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      9634f5c9bd619d2b7cc20409d3d88fcaded8af9d608a6238bb783ff9d749f0caN

    • Size

      351KB

    • MD5

      8e3bec4f465c89a6243c457c92000d30

    • SHA1

      395bb5624d25b9d9e6ec040b4c733d6e8794c018

    • SHA256

      9634f5c9bd619d2b7cc20409d3d88fcaded8af9d608a6238bb783ff9d749f0ca

    • SHA512

      71c452941343bf0fe67258bac71515111a47c634cdb8ee700f9f206130a9c52406d2ed9cc1bebc0198f44e3e7a820712937a0326e92f69c81398fe324194f389

    • SSDEEP

      6144:V/OZpl5YZplx/OZpl7/OZplx/OZplQ/OZplU:V/M5qx/M7/Mx/MQ/MU

    Score
    10/10
    discoveryevasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables cmd.exe use via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • 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.

    • Modifies WinLogon

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks