General

  • Target

    file

  • Size

    193KB

  • Sample

    230124-jddasabd6y

  • MD5

    ac53b88bcfc98abcfe714b8516559e16

  • SHA1

    3a941bbd4af32c9472404ecafa8a2ecb2abf301f

  • SHA256

    9a7ab3e97d9cac0bb95fc5adccbcfea75fa570b300dc0e9bebf38a9cdce6a1de

  • SHA512

    071fca0f46f9852dbf34a219602f9927821a71b52ae80e7bd4701e64e2316c3a2bb2a47767f43b48da9e511cd2b506d510fd6e4fae246e1d34a69637045119ee

  • SSDEEP

    3072:iBN0XKbYxxvCLd9PlYq5WZaSRGsWF6NCa4Z/ADHBVyIXaz:WiLxqLd9PlYEGIFy4Z/ADHfyL

Malware Config

Extracted

Family

vidar

Version

2.2

Botnet

237

C2

https://t.me/litlebey

https://steamcommunity.com/profiles/76561199472399815

Attributes
  • profile_id

    237

Targets

    • Target

      file

    • Size

      193KB

    • MD5

      ac53b88bcfc98abcfe714b8516559e16

    • SHA1

      3a941bbd4af32c9472404ecafa8a2ecb2abf301f

    • SHA256

      9a7ab3e97d9cac0bb95fc5adccbcfea75fa570b300dc0e9bebf38a9cdce6a1de

    • SHA512

      071fca0f46f9852dbf34a219602f9927821a71b52ae80e7bd4701e64e2316c3a2bb2a47767f43b48da9e511cd2b506d510fd6e4fae246e1d34a69637045119ee

    • SSDEEP

      3072:iBN0XKbYxxvCLd9PlYq5WZaSRGsWF6NCa4Z/ADHBVyIXaz:WiLxqLd9PlYEGIFy4Z/ADHfyL

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • UPX packed file

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

    • Checks BIOS information in registry

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

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks