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Overview

overview

10

Static

static

3

4bf50a3b9a...0N.exe

windows7-x64

10

4bf50a3b9a...0N.exe

windows10-2004-x64

10

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General

  • Target

    4bf50a3b9a2de2fd3e7a07c9a1381800N

  • Size

    384KB

  • Sample

    240907-22fpxszglq

  • MD5

    4bf50a3b9a2de2fd3e7a07c9a1381800

  • SHA1

    88acc805347ad6856b34e0b21cad63ecdf93ee0e

  • SHA256

    f97932bb8d75d8239edadd768fa301261a246d5f19edcd3b879a1dc6237627a1

  • SHA512

    e3a16a13609e6b2d80a6ff429b857b77c68e9e56fa8cd8a47efda5ab26bcae7199e79a8503988ca3f4569ef6e3b35cf1180ef294e6647c5d0fb0f01c4c6a56db

  • SSDEEP

    6144:V/OZplJ/OZplP/OZplx/OZpl7/OZplx/OZpl4/OZplpBE/OZ8:V/MJ/MP/Mx/M7/Mx/M4/MpBE/h

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      4bf50a3b9a2de2fd3e7a07c9a1381800N

    • Size

      384KB

    • MD5

      4bf50a3b9a2de2fd3e7a07c9a1381800

    • SHA1

      88acc805347ad6856b34e0b21cad63ecdf93ee0e

    • SHA256

      f97932bb8d75d8239edadd768fa301261a246d5f19edcd3b879a1dc6237627a1

    • SHA512

      e3a16a13609e6b2d80a6ff429b857b77c68e9e56fa8cd8a47efda5ab26bcae7199e79a8503988ca3f4569ef6e3b35cf1180ef294e6647c5d0fb0f01c4c6a56db

    • SSDEEP

      6144:V/OZplJ/OZplP/OZplx/OZpl7/OZplx/OZpl4/OZplpBE/OZ8:V/MJ/MP/Mx/M7/Mx/M4/MpBE/h

    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