Analysis

  • max time kernel
    92s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    31-05-2022 02:01

General

  • Target

    076486fb30e8e6fb2c5e4c99d4167633ff269a4d89e98a1678e0916cd12eedd7.exe

  • Size

    569KB

  • MD5

    1599028268638dc9806ba9a35470ab7f

  • SHA1

    7409abd1ffeabffa9a3ea9cf81cf69999690b6f6

  • SHA256

    076486fb30e8e6fb2c5e4c99d4167633ff269a4d89e98a1678e0916cd12eedd7

  • SHA512

    95bc6e520ee0920ebe7140f2cbf287dc830a00e40e7bafdb0eeed8897b756da5f9bae72106d896cae3dc15c509da8f5a03545ca72e683b57f5b0fad3edb34bc5

Malware Config

Extracted

Family

vidar

Version

5

Botnet

193

C2

http://kolobkoproms.ug/

Attributes
  • profile_id

    193

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar log file 1 IoCs

    Detects a log file produced by Vidar.

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

  • Vidar Stealer 2 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\076486fb30e8e6fb2c5e4c99d4167633ff269a4d89e98a1678e0916cd12eedd7.exe
    "C:\Users\Admin\AppData\Local\Temp\076486fb30e8e6fb2c5e4c99d4167633ff269a4d89e98a1678e0916cd12eedd7.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4236

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4236-131-0x0000000002310000-0x0000000002410000-memory.dmp
    Filesize

    1024KB

  • memory/4236-132-0x0000000000400000-0x0000000000493000-memory.dmp
    Filesize

    588KB

  • memory/4236-133-0x0000000002310000-0x0000000002410000-memory.dmp
    Filesize

    1024KB

  • memory/4236-134-0x0000000000400000-0x0000000000493000-memory.dmp
    Filesize

    588KB