Overview

overview

10

Static

static

2b0e6fa56b...22.exe

windows7_x64

10

2b0e6fa56b...22.exe

windows10_x64

10

Sharing

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General

  • Target

    2b0e6fa56b8d92be01efdb49e2fe593485629b6cb4247145e8c6d093e54fea22

  • Size

    750KB

  • Sample

    210511-4zw5n2pndn

  • MD5

    b3ff4583ff07d95911af580fd3bf55c8

  • SHA1

    c0a79d48a6bd669fdaf51b308ab5827cf1d7e2cd

  • SHA256

    2b0e6fa56b8d92be01efdb49e2fe593485629b6cb4247145e8c6d093e54fea22

  • SHA512

    c093d08dd30d900d5767601edbc1eefb097d49261e83c2482c9a75f2a5d71c5987c36edeb778db078da1fdeda1c6919077303f70afe0408b05b4f1c09b898995

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2b0e6fa56b8d92be01efdb49e2fe593485629b6cb4247145e8c6d093e54fea22

    • Size

      750KB

    • MD5

      b3ff4583ff07d95911af580fd3bf55c8

    • SHA1

      c0a79d48a6bd669fdaf51b308ab5827cf1d7e2cd

    • SHA256

      2b0e6fa56b8d92be01efdb49e2fe593485629b6cb4247145e8c6d093e54fea22

    • SHA512

      c093d08dd30d900d5767601edbc1eefb097d49261e83c2482c9a75f2a5d71c5987c36edeb778db078da1fdeda1c6919077303f70afe0408b05b4f1c09b898995

    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