Overview

overview

10

Static

static

sample33.exe

windows7_x64

10

sample33.exe

windows10_x64

10

Sharing

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General

  • Target

    sample33.exe

  • Size

    524KB

  • Sample

    210224-6zbxawep16

  • MD5

    e752df4c77b8dfa34a902f28c31bb40d

  • SHA1

    a815ae15431626dcffb2be073d1f51f25dede408

  • SHA256

    003227ff26fa20b16dddbdf0b791b40c328b0259ddcec860d73861b9b9fe8468

  • SHA512

    72454c9185ff3a841a36bf952e490f1b72d87b0337b3d5fa6c97d93fec78ceb8162b2abc5e7fa0fba0f62ced6af7ed210888bf3b451154f3519ef7d15897af1e

Score
10/10
evasionpersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target

      sample33.exe

    • Size

      524KB

    • MD5

      e752df4c77b8dfa34a902f28c31bb40d

    • SHA1

      a815ae15431626dcffb2be073d1f51f25dede408

    • SHA256

      003227ff26fa20b16dddbdf0b791b40c328b0259ddcec860d73861b9b9fe8468

    • SHA512

      72454c9185ff3a841a36bf952e490f1b72d87b0337b3d5fa6c97d93fec78ceb8162b2abc5e7fa0fba0f62ced6af7ed210888bf3b451154f3519ef7d15897af1e

    Score
    10/10
    evasionpersistenceransomwarespywaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks