Overview

overview

10

Static

static

3

13b1ccfef5...5c.exe

windows7-x64

10

13b1ccfef5...5c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    13b1ccfef5d5c9a927293d1b9335eea95612d47999b327382311354a95d1ea5c.exe

  • Size

    384KB

  • Sample

    241120-zmt8nasfjf

  • MD5

    b4f8597636f01b29ead992b7beda4b56

  • SHA1

    baf39a69fe0e0fb907251caad32678e1d406f500

  • SHA256

    13b1ccfef5d5c9a927293d1b9335eea95612d47999b327382311354a95d1ea5c

  • SHA512

    05dddcef58aba6531ec66c8d8c2a4ef45a942ac6f5436d0fabccdc9895e1eab39a1a3c68fc9bfe8ae9eafb2e222713977d1a6130f78450198baad6394894e390

  • SSDEEP

    6144:V/OZpls/OZplP/OZplx/OZpl7/OZplx/OZpl4/OZplpBE/OZk:V/Ms/MP/Mx/M7/Mx/M4/MpBE/z

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      13b1ccfef5d5c9a927293d1b9335eea95612d47999b327382311354a95d1ea5c.exe

    • Size

      384KB

    • MD5

      b4f8597636f01b29ead992b7beda4b56

    • SHA1

      baf39a69fe0e0fb907251caad32678e1d406f500

    • SHA256

      13b1ccfef5d5c9a927293d1b9335eea95612d47999b327382311354a95d1ea5c

    • SHA512

      05dddcef58aba6531ec66c8d8c2a4ef45a942ac6f5436d0fabccdc9895e1eab39a1a3c68fc9bfe8ae9eafb2e222713977d1a6130f78450198baad6394894e390

    • SSDEEP

      6144:V/OZpls/OZplP/OZplx/OZpl7/OZplx/OZpl4/OZplpBE/OZk:V/Ms/MP/Mx/M7/Mx/M4/MpBE/z

    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