Overview

overview

10

Static

static

3

5031a965b8...28.exe

windows7-x64

10

5031a965b8...28.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5031a965b8cb3909ad37d072df79fd28

  • Size

    323KB

  • Sample

    231226-dzc91sgcd4

  • MD5

    5031a965b8cb3909ad37d072df79fd28

  • SHA1

    41d76518803d53107dd6c5e00e4565011bd6b626

  • SHA256

    cab14e9391893bf4bfa80bdb06b76fd74ff445e7cd04b1ba070e54935d13d875

  • SHA512

    642adad425553f089a7e1f2f7603d92843df2618d70c84ee8486dc154bb1918cbc82431856408f53d96cd97dd4b6c1569d3b935e7dc422a618e6deac6a86d312

  • SSDEEP

    6144:2BxeN/Tdx8YzL+4eBDgelLBL9C53TV5n+yNXavM:2Bxe9dx8Yz6nhtL9C53TV5n+4av

Score
10/10
evasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      5031a965b8cb3909ad37d072df79fd28

    • Size

      323KB

    • MD5

      5031a965b8cb3909ad37d072df79fd28

    • SHA1

      41d76518803d53107dd6c5e00e4565011bd6b626

    • SHA256

      cab14e9391893bf4bfa80bdb06b76fd74ff445e7cd04b1ba070e54935d13d875

    • SHA512

      642adad425553f089a7e1f2f7603d92843df2618d70c84ee8486dc154bb1918cbc82431856408f53d96cd97dd4b6c1569d3b935e7dc422a618e6deac6a86d312

    • SSDEEP

      6144:2BxeN/Tdx8YzL+4eBDgelLBL9C53TV5n+yNXavM:2Bxe9dx8Yz6nhtL9C53TV5n+4av

    Score
    10/10
    evasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • 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

    • Sets file execution options in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

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

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    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

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

8
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks