Overview

overview

10

Static

static

URLScan

urlscan

https://www.win-rar....

windows10_x64

10

Sharing

Copy URL
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General

  • Target

    https://www.win-rar.com/predownload.html?&L=10

  • Sample

    211226-tw9rtabfe2

Score
10/10
mercurialgrabberagilenetdiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      https://www.win-rar.com/predownload.html?&L=10

    Score
    10/10
    mercurialgrabberagilenetdiscoverypersistenceransomwarespywarestealer

    • Detected Mercurial Grabber

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

      stealermercurialgrabber

    • Modifies system executable filetype association

      persistence

    • Registers COM server for autorun

      persistence

    • Downloads MZ/PE file

    • 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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery
    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks