Overview

overview

10

Static

static

94cbc3c99c...d1.exe

windows7_x64

10

94cbc3c99c...d1.exe

windows10_x64

10

Sharing

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General

  • Target

    94cbc3c99cf5fe566336268bce3d686f379fbdda333942fdcd4237d9976014d1

  • Size

    1.0MB

  • Sample

    210505-4t8gr9qfna

  • MD5

    aefe361fe383f84049085089e15dc737

  • SHA1

    b918b4c4441c522cd277b644f7881512095cfbe6

  • SHA256

    94cbc3c99cf5fe566336268bce3d686f379fbdda333942fdcd4237d9976014d1

  • SHA512

    99439c74c5a05ac67deb7fd78f70b1f041963eba2868eb1465b27185617873a168828a9e42ceb9ac8ef464fedb2da00c3ca9a3b66b34b01c8964fedd44264621

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      94cbc3c99cf5fe566336268bce3d686f379fbdda333942fdcd4237d9976014d1

    • Size

      1.0MB

    • MD5

      aefe361fe383f84049085089e15dc737

    • SHA1

      b918b4c4441c522cd277b644f7881512095cfbe6

    • SHA256

      94cbc3c99cf5fe566336268bce3d686f379fbdda333942fdcd4237d9976014d1

    • SHA512

      99439c74c5a05ac67deb7fd78f70b1f041963eba2868eb1465b27185617873a168828a9e42ceb9ac8ef464fedb2da00c3ca9a3b66b34b01c8964fedd44264621

    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