Overview

overview

10

Static

static

3

98d5d12653...d1.exe

windows7-x64

10

98d5d12653...d1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    98d5d126535fef107bdf843a0bda2f9a354dc42a68c92957178398ee13a9f5d1

  • Size

    64KB

  • Sample

    241126-bshj2stken

  • MD5

    339ed763d4978b08c3ee73e7c888f2fc

  • SHA1

    64bcd6d5d27f123531d7b1f9a23db45fbc04b490

  • SHA256

    98d5d126535fef107bdf843a0bda2f9a354dc42a68c92957178398ee13a9f5d1

  • SHA512

    5207562db4a104cf52b35cc94de57dc386801baa457adb72398a67068f07db41152df2a5ac81dc2d06baf70d3db730d38b4053868f2d44bf9628716037d01b54

  • SSDEEP

    768:VNuG777/+V36n9PcXYvn8KR1I3NznRAQZlh4VkpX179r+R5hOwekflNuG777/+V2:V8w2VS9Eovn8KRgWmhZpX1Q8wJ8w2V2

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      98d5d126535fef107bdf843a0bda2f9a354dc42a68c92957178398ee13a9f5d1

    • Size

      64KB

    • MD5

      339ed763d4978b08c3ee73e7c888f2fc

    • SHA1

      64bcd6d5d27f123531d7b1f9a23db45fbc04b490

    • SHA256

      98d5d126535fef107bdf843a0bda2f9a354dc42a68c92957178398ee13a9f5d1

    • SHA512

      5207562db4a104cf52b35cc94de57dc386801baa457adb72398a67068f07db41152df2a5ac81dc2d06baf70d3db730d38b4053868f2d44bf9628716037d01b54

    • SSDEEP

      768:VNuG777/+V36n9PcXYvn8KR1I3NznRAQZlh4VkpX179r+R5hOwekflNuG777/+V2:V8w2VS9Eovn8KRgWmhZpX1Q8wJ8w2V2

    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