Overview

overview

10

Static

static

3

Trojan.Win32.exe

windows7-x64

10

Trojan.Win32.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Trojan.Win32.SmokeLoader21041c8604128a8aa0c46f88fc7f4582649d239be79b3d0cc265f110f87f8ea1N

  • Size

    488KB

  • Sample

    240919-fp1nnssdrj

  • MD5

    ec5c574dc8e3c399e7f91d7374c37960

  • SHA1

    ecaf0c777aab67e48a983dbb3caf8c81624db400

  • SHA256

    21041c8604128a8aa0c46f88fc7f4582649d239be79b3d0cc265f110f87f8ea1

  • SHA512

    0cc605e26003651b0b04418aadd11b137f5912493adc73c4d292bb4ed9ddab31ecfed5fbdd1131eaeb5f38f31b3b5341c234748994b061a63623978376c4dac8

  • SSDEEP

    12288:V/MW/MP/Mx/M7/Mx/M4/MpBE/Mk/M2/M1:V5K2O2HIBEd7M

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      Trojan.Win32.SmokeLoader21041c8604128a8aa0c46f88fc7f4582649d239be79b3d0cc265f110f87f8ea1N

    • Size

      488KB

    • MD5

      ec5c574dc8e3c399e7f91d7374c37960

    • SHA1

      ecaf0c777aab67e48a983dbb3caf8c81624db400

    • SHA256

      21041c8604128a8aa0c46f88fc7f4582649d239be79b3d0cc265f110f87f8ea1

    • SHA512

      0cc605e26003651b0b04418aadd11b137f5912493adc73c4d292bb4ed9ddab31ecfed5fbdd1131eaeb5f38f31b3b5341c234748994b061a63623978376c4dac8

    • SSDEEP

      12288:V/MW/MP/Mx/M7/Mx/M4/MpBE/Mk/M2/M1:V5K2O2HIBEd7M

    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