Overview

overview

10

Static

static

66f7998447...98.exe

windows7_x64

10

66f7998447...98.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    66f7998447def77e69b8345e1078121a3df6178ff2b4f0fbb0902f3c609dd498

  • Size

    1015KB

  • Sample

    210511-zggy7b91cn

  • MD5

    60db1ac59832f1a8296c74cfca342562

  • SHA1

    aa5c61b45eac441111883d64aa0580181a83179c

  • SHA256

    66f7998447def77e69b8345e1078121a3df6178ff2b4f0fbb0902f3c609dd498

  • SHA512

    272b6b6d67aba525726e4be247697c1d2b5eebc00b1c0cde356f7622c277fb4baffd66789daf24f92b974008c060e7f8d980b15f1b809dbf9e3832d7a8946fb3

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      66f7998447def77e69b8345e1078121a3df6178ff2b4f0fbb0902f3c609dd498

    • Size

      1015KB

    • MD5

      60db1ac59832f1a8296c74cfca342562

    • SHA1

      aa5c61b45eac441111883d64aa0580181a83179c

    • SHA256

      66f7998447def77e69b8345e1078121a3df6178ff2b4f0fbb0902f3c609dd498

    • SHA512

      272b6b6d67aba525726e4be247697c1d2b5eebc00b1c0cde356f7622c277fb4baffd66789daf24f92b974008c060e7f8d980b15f1b809dbf9e3832d7a8946fb3

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • 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.

      spywarestealer

    • 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