Overview

overview

10

Static

static

366fe50330...f8.exe

windows7_x64

10

366fe50330...f8.exe

windows10_x64

10

Sharing

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General

  • Target

    366fe50330f3978b6a43e6ba2857a33e796a5251ffcddb7cc6f7f3fa71732bf8

  • Size

    1.3MB

  • Sample

    210511-nf31khvle6

  • MD5

    45a6419c4ae4c23bec8203d3fb8241fb

  • SHA1

    aefbb1699c231e677e941afe56cb6a4c46ebfd13

  • SHA256

    366fe50330f3978b6a43e6ba2857a33e796a5251ffcddb7cc6f7f3fa71732bf8

  • SHA512

    7bb4492e311e8b4598b212586b4c4d3a5b71db2537bf0c780bbe4781a87be09522df5e121577fd8b64cb5ce173137ecd5fe4f8d93a77b6bd27480c087ba09521

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      366fe50330f3978b6a43e6ba2857a33e796a5251ffcddb7cc6f7f3fa71732bf8

    • Size

      1.3MB

    • MD5

      45a6419c4ae4c23bec8203d3fb8241fb

    • SHA1

      aefbb1699c231e677e941afe56cb6a4c46ebfd13

    • SHA256

      366fe50330f3978b6a43e6ba2857a33e796a5251ffcddb7cc6f7f3fa71732bf8

    • SHA512

      7bb4492e311e8b4598b212586b4c4d3a5b71db2537bf0c780bbe4781a87be09522df5e121577fd8b64cb5ce173137ecd5fe4f8d93a77b6bd27480c087ba09521

    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

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

6
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

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks