Overview

overview

10

Static

static

3

8188fb0b20...ca.exe

windows7-x64

10

8188fb0b20...ca.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8188fb0b20851a1aa38cdd620ce8959ff0e44a63b6bfe89186d5b133f4b61eca

  • Size

    351KB

  • Sample

    240811-26wlyaxhnd

  • MD5

    fe58dea49d1edbc4f4d59e45a2ba85d0

  • SHA1

    98631fe07d961e00a328134e8d5617c31c904973

  • SHA256

    8188fb0b20851a1aa38cdd620ce8959ff0e44a63b6bfe89186d5b133f4b61eca

  • SHA512

    7d1ee1f246bf944a2231d28abe6d6751cc5a4f6aa68b2de0b022784e910a234c910137c1b72c31b1512da28e2826423c984b6e3677a05e035b5b95fb2d39010c

  • SSDEEP

    6144:V/OZplBYZplx/OZpl7/OZplx/OZplQ/OZplU:V/MBqx/M7/Mx/MQ/MU

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      8188fb0b20851a1aa38cdd620ce8959ff0e44a63b6bfe89186d5b133f4b61eca

    • Size

      351KB

    • MD5

      fe58dea49d1edbc4f4d59e45a2ba85d0

    • SHA1

      98631fe07d961e00a328134e8d5617c31c904973

    • SHA256

      8188fb0b20851a1aa38cdd620ce8959ff0e44a63b6bfe89186d5b133f4b61eca

    • SHA512

      7d1ee1f246bf944a2231d28abe6d6751cc5a4f6aa68b2de0b022784e910a234c910137c1b72c31b1512da28e2826423c984b6e3677a05e035b5b95fb2d39010c

    • SSDEEP

      6144:V/OZplBYZplx/OZpl7/OZplx/OZplQ/OZplU:V/MBqx/M7/Mx/MQ/MU

    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