Overview

overview

10

Static

static

3

14c233ab4e...9N.exe

windows7-x64

10

14c233ab4e...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9N

  • Size

    2.0MB

  • Sample

    240920-3mkwrsvbkb

  • MD5

    87bf6dfde79bdaa07f9f9f4233691a20

  • SHA1

    966d9c5ea07f2c6a4e339a0fd40cbf18bfab9d5d

  • SHA256

    14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9

  • SHA512

    d9430a4b4985e3bd2dae3bcdef0a8fa3731ed82a7061b867a8d3b94c814044edc2020a9d3c7e8e147fc45e8ca5aa4a3fe8c094517a2af2fe48a5354c76c55b23

  • SSDEEP

    12288:XmgvmzFHi0mo5aH0qMzd5807Fl8xPJQPDHvd:XmgvOHi0mGaH0qSdPFWL4V

Score
10/10
defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9N

    • Size

      2.0MB

    • MD5

      87bf6dfde79bdaa07f9f9f4233691a20

    • SHA1

      966d9c5ea07f2c6a4e339a0fd40cbf18bfab9d5d

    • SHA256

      14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9

    • SHA512

      d9430a4b4985e3bd2dae3bcdef0a8fa3731ed82a7061b867a8d3b94c814044edc2020a9d3c7e8e147fc45e8ca5aa4a3fe8c094517a2af2fe48a5354c76c55b23

    • SSDEEP

      12288:XmgvmzFHi0mo5aH0qMzd5807Fl8xPJQPDHvd:XmgvOHi0mGaH0qSdPFWL4V

    Score
    10/10
    defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

      defense_evasionpersistenceprivilege_escalation

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

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

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Safe Mode Boot

1
T1562.009

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks