Overview

overview

10

Static

static

7

90a1b949b1...64.exe

windows7-x64

10

90a1b949b1...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    90a1b949b14de056b1fb40d3766781d4f94cea331b4edd834ba25a4a0ccc0464

  • Size

    91KB

  • Sample

    240530-an6kmsfd8s

  • MD5

    8f557341237ffe748022cecec73e66ef

  • SHA1

    e2c55d02bed4cdb990970ea43e11ccde65f80ebb

  • SHA256

    90a1b949b14de056b1fb40d3766781d4f94cea331b4edd834ba25a4a0ccc0464

  • SHA512

    848e359f4016507678b11cb0a4cf301dcfed701b5851562852758bf3739408e6707206f32d8f4c75dc607ae9c53e310f3315462afc9d5c3272d66eb968d54f0c

  • SSDEEP

    1536:yOcjUpkWb2TTgKwuYOcjUpkWb2TTgKwuq:yOcjWJu7tYOcjWJu7tq

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      90a1b949b14de056b1fb40d3766781d4f94cea331b4edd834ba25a4a0ccc0464

    • Size

      91KB

    • MD5

      8f557341237ffe748022cecec73e66ef

    • SHA1

      e2c55d02bed4cdb990970ea43e11ccde65f80ebb

    • SHA256

      90a1b949b14de056b1fb40d3766781d4f94cea331b4edd834ba25a4a0ccc0464

    • SHA512

      848e359f4016507678b11cb0a4cf301dcfed701b5851562852758bf3739408e6707206f32d8f4c75dc607ae9c53e310f3315462afc9d5c3272d66eb968d54f0c

    • SSDEEP

      1536:yOcjUpkWb2TTgKwuYOcjUpkWb2TTgKwuq:yOcjWJu7tYOcjWJu7tq

    Score
    10/10
    evasionpersistenceupx

    • 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 use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
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

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks