Overview

overview

10

Static

static

3

9f38a3599f...0N.exe

windows7-x64

10

9f38a3599f...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9f38a3599f2a77096afdae705a4f2c20N

  • Size

    1.3MB

  • Sample

    240913-mwh6jayckl

  • MD5

    9f38a3599f2a77096afdae705a4f2c20

  • SHA1

    bc23df08278b94bbcaf63a78b3c6b49b27229584

  • SHA256

    be1b293c4e68993bf3ee8c99bb70849f5448a339439228de8f6febbc31acc0bf

  • SHA512

    3c63b6ffa38e79e55afd66e269daa78859c55ca3d456d13db34ba33b4455543dcef2b2aa1bafdebe6a4c3c217a031b1ed5527df8c77f5a21c915786567985d39

  • SSDEEP

    12288:gXgvmzFHi0mo5aH0qMzd58Y7FQPJQPDHvd:gXgvOHi0mGaH0qSdvFC4V

Score
10/10
defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      9f38a3599f2a77096afdae705a4f2c20N

    • Size

      1.3MB

    • MD5

      9f38a3599f2a77096afdae705a4f2c20

    • SHA1

      bc23df08278b94bbcaf63a78b3c6b49b27229584

    • SHA256

      be1b293c4e68993bf3ee8c99bb70849f5448a339439228de8f6febbc31acc0bf

    • SHA512

      3c63b6ffa38e79e55afd66e269daa78859c55ca3d456d13db34ba33b4455543dcef2b2aa1bafdebe6a4c3c217a031b1ed5527df8c77f5a21c915786567985d39

    • SSDEEP

      12288:gXgvmzFHi0mo5aH0qMzd58Y7FQPJQPDHvd:gXgvOHi0mGaH0qSdvFC4V

    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