General

  • Target

    7A6C8CE1E4A64866A8E1341F135544AEB2B7CA4B27D78.exe

  • Size

    7.3MB

  • Sample

    210520-zc8f43bg76

  • MD5

    925852828704fb5328b96342fb6ac8bf

  • SHA1

    32cb9126f5d990ffcb7f410418f2521f4dad33f3

  • SHA256

    7a6c8ce1e4a64866a8e1341f135544aeb2b7ca4b27d784885dc75df7a96e56f8

  • SHA512

    5202d91be53bcaebbb2b8b608cd9a843253d1c5b26937910546b3f72ce3807c975e7dd36ba51bf9231da4135544d9f373d04a4e73c41071353bf883bfef57dd7

Malware Config

Extracted

Family

redline

Botnet

fullynew

C2

rlmushahel.xyz:80

Extracted

Family

vidar

Version

38.3

Botnet

827

C2

https://api.faceit.com/core/v1/nicknames/vyh62lapin

Attributes
  • profile_id

    827

Targets

    • Target

      7A6C8CE1E4A64866A8E1341F135544AEB2B7CA4B27D78.exe

    • Size

      7.3MB

    • MD5

      925852828704fb5328b96342fb6ac8bf

    • SHA1

      32cb9126f5d990ffcb7f410418f2521f4dad33f3

    • SHA256

      7a6c8ce1e4a64866a8e1341f135544aeb2b7ca4b27d784885dc75df7a96e56f8

    • SHA512

      5202d91be53bcaebbb2b8b608cd9a843253d1c5b26937910546b3f72ce3807c975e7dd36ba51bf9231da4135544d9f373d04a4e73c41071353bf883bfef57dd7

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Vidar Stealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • autoit_exe

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Software Discovery

1
T1518

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks