Overview

overview

10

Static

static

b074d2b28a...ba.exe

windows7_x64

10

b074d2b28a...ba.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    b074d2b28a5311251063a68f00846f306df64635e9e32889117bd436d83af1ba

  • Size

    460KB

  • Sample

    220523-wkkpnadbbk

  • MD5

    01cab213e1d515243a455f0eeb716c97

  • SHA1

    da03f61eaa0989fcf12b9e48ff0bf03f501180eb

  • SHA256

    b074d2b28a5311251063a68f00846f306df64635e9e32889117bd436d83af1ba

  • SHA512

    97197a6d4d96d9102edf62951a6277df1ec0b1eb8e907755dab655f9f3d47018282d3696c2866d53e13e83254d18f6006a94700ed74d273da4bb1f6c7c1fd024

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      b074d2b28a5311251063a68f00846f306df64635e9e32889117bd436d83af1ba

    • Size

      460KB

    • MD5

      01cab213e1d515243a455f0eeb716c97

    • SHA1

      da03f61eaa0989fcf12b9e48ff0bf03f501180eb

    • SHA256

      b074d2b28a5311251063a68f00846f306df64635e9e32889117bd436d83af1ba

    • SHA512

      97197a6d4d96d9102edf62951a6277df1ec0b1eb8e907755dab655f9f3d47018282d3696c2866d53e13e83254d18f6006a94700ed74d273da4bb1f6c7c1fd024

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • 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

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

4
T1112

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