Overview

overview

10

Static

static

7992f099_b...is.exe

windows7_x64

10

7992f099_b...is.exe

windows10_x64

10

Sharing

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General

  • Target

    7992f099_by_Libranalysis

  • Size

    1.0MB

  • Sample

    210505-dtxvy2tg8j

  • MD5

    7992f099c86bdfff34cb9db59c6677e0

  • SHA1

    4f63d331cf4f95dc085dbaf95372964086102c08

  • SHA256

    38dce48f9f469e10e6c15f6ce2fb345339d37b17aa037719754a3c02fee9a8cd

  • SHA512

    a1518c3a7f1979dd1608307561a0dc69c86f6124707d1e89ddbbad615aaa97b085179986f758d771755174ea1545c41354ce85b932bb21f3beb93d4c9da4ccbc

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      7992f099_by_Libranalysis

    • Size

      1.0MB

    • MD5

      7992f099c86bdfff34cb9db59c6677e0

    • SHA1

      4f63d331cf4f95dc085dbaf95372964086102c08

    • SHA256

      38dce48f9f469e10e6c15f6ce2fb345339d37b17aa037719754a3c02fee9a8cd

    • SHA512

      a1518c3a7f1979dd1608307561a0dc69c86f6124707d1e89ddbbad615aaa97b085179986f758d771755174ea1545c41354ce85b932bb21f3beb93d4c9da4ccbc

    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