Overview

overview

10

Static

static

fd4f950b_b...is.exe

windows7_x64

10

fd4f950b_b...is.exe

windows10_x64

10

Sharing

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General

  • Target

    fd4f950b_by_Libranalysis

  • Size

    750KB

  • Sample

    210505-q6b9tjgb46

  • MD5

    fd4f950b3c32f5216d76af17f99600c8

  • SHA1

    fe09174fb2304d0af10f1a7d588074732aa1fe9b

  • SHA256

    b433c270959385ccb4c9f99490c3ef5e6aa56f598f91c0f76bd54878db1fff79

  • SHA512

    9dd55aed1276f8a38d021a3b57c4e97f08a1c7d53483f6e7d7de53679f93ea91a29e451f275517a8dd5079bb12fc6ab00e02188d72613ed7e03e12950b70dfc1

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      fd4f950b_by_Libranalysis

    • Size

      750KB

    • MD5

      fd4f950b3c32f5216d76af17f99600c8

    • SHA1

      fe09174fb2304d0af10f1a7d588074732aa1fe9b

    • SHA256

      b433c270959385ccb4c9f99490c3ef5e6aa56f598f91c0f76bd54878db1fff79

    • SHA512

      9dd55aed1276f8a38d021a3b57c4e97f08a1c7d53483f6e7d7de53679f93ea91a29e451f275517a8dd5079bb12fc6ab00e02188d72613ed7e03e12950b70dfc1

    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