General

  • Target

    RobloV.exe

  • Size

    17.0MB

  • Sample

    240609-vhbtasdd42

  • MD5

    243baa64b50be7d5e1d59a04c34e13fc

  • SHA1

    fc5cf99131422688aceff54d75172eb698c0795d

  • SHA256

    010870f0e625544560333a18d440abdb08dce009224feb371c709e0162b005da

  • SHA512

    7cd2458c68096f998936db86a81a2603cdd7324768b882bd5cdfc31369f978c6d8f02b3aa89b01837c53f08edd7b91c5c27ca9fb062faf649f1c6a3be81879b3

  • SSDEEP

    393216:GEkcqv69JWQsUcR4NzK1+TtIiFYY9Z8D8Ccl6lZCE+PKSauKo:Gkk69YQFS1QtIDa8DZcIlAWSZKo

Malware Config

Targets

    • Target

      RobloV.exe

    • Size

      17.0MB

    • MD5

      243baa64b50be7d5e1d59a04c34e13fc

    • SHA1

      fc5cf99131422688aceff54d75172eb698c0795d

    • SHA256

      010870f0e625544560333a18d440abdb08dce009224feb371c709e0162b005da

    • SHA512

      7cd2458c68096f998936db86a81a2603cdd7324768b882bd5cdfc31369f978c6d8f02b3aa89b01837c53f08edd7b91c5c27ca9fb062faf649f1c6a3be81879b3

    • SSDEEP

      393216:GEkcqv69JWQsUcR4NzK1+TtIiFYY9Z8D8Ccl6lZCE+PKSauKo:Gkk69YQFS1QtIDa8DZcIlAWSZKo

    • Mercurial Grabber Stealer

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

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Looks for VMWare Tools registry key

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • 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.

    • Reads user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

1
T1562

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks