Overview

overview

10

Static

static

9148e924aa...81.exe

windows7_x64

10

9148e924aa...81.exe

windows10_x64

10

Sharing

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General

  • Target

    9148e924aa7ef9637e0409175cc53f4d96839de56b954be98df99bd407e3e781

  • Size

    1.3MB

  • Sample

    210513-8fr36s55a2

  • MD5

    b6bf1024a339b24ec6faf8ade009645f

  • SHA1

    d981043d5064781e8f3914db2526841d46ddcf46

  • SHA256

    9148e924aa7ef9637e0409175cc53f4d96839de56b954be98df99bd407e3e781

  • SHA512

    5e99ad1e58dc671952647c2793a51f16a82349bb39b1952b1df00f3f80cc14252dbb657ff57b0fe316b6cbdf2740396ba59c94c27709579b15a5b4a7b1c5738e

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      9148e924aa7ef9637e0409175cc53f4d96839de56b954be98df99bd407e3e781

    • Size

      1.3MB

    • MD5

      b6bf1024a339b24ec6faf8ade009645f

    • SHA1

      d981043d5064781e8f3914db2526841d46ddcf46

    • SHA256

      9148e924aa7ef9637e0409175cc53f4d96839de56b954be98df99bd407e3e781

    • SHA512

      5e99ad1e58dc671952647c2793a51f16a82349bb39b1952b1df00f3f80cc14252dbb657ff57b0fe316b6cbdf2740396ba59c94c27709579b15a5b4a7b1c5738e

    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