Overview

overview

10

Static

static

3

c85bd09b8a...b4.exe

windows7-x64

10

c85bd09b8a...b4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c85bd09b8ae63f7b0e4db387eea21b052d86cdf6a49a8dcebd5ac7ebdd172fb4.exe

  • Size

    488KB

  • Sample

    241122-x4zhlaxjcs

  • MD5

    f6fcfbc10f5d161fe71707127a753618

  • SHA1

    e997ff96d433f643acf9f700403af1ea68cc6221

  • SHA256

    c85bd09b8ae63f7b0e4db387eea21b052d86cdf6a49a8dcebd5ac7ebdd172fb4

  • SHA512

    19b77191863c233fd151d5cad6f172cb0d2147bc03042d9a7c4c0fdaf82a0bb43242a175951914828eaed28564e6f231ee0255e44ee1a85a40b811b03d043619

  • SSDEEP

    12288:V/MW/MP/Mx/M7/Mx/M4/MpBE/Mk/M2/M1:VdK2O2HIBEd7M

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      c85bd09b8ae63f7b0e4db387eea21b052d86cdf6a49a8dcebd5ac7ebdd172fb4.exe

    • Size

      488KB

    • MD5

      f6fcfbc10f5d161fe71707127a753618

    • SHA1

      e997ff96d433f643acf9f700403af1ea68cc6221

    • SHA256

      c85bd09b8ae63f7b0e4db387eea21b052d86cdf6a49a8dcebd5ac7ebdd172fb4

    • SHA512

      19b77191863c233fd151d5cad6f172cb0d2147bc03042d9a7c4c0fdaf82a0bb43242a175951914828eaed28564e6f231ee0255e44ee1a85a40b811b03d043619

    • SSDEEP

      12288:V/MW/MP/Mx/M7/Mx/M4/MpBE/Mk/M2/M1:VdK2O2HIBEd7M

    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