General

  • Target

    file.exe

  • Size

    177KB

  • Sample

    230124-m59pvacb3v

  • MD5

    814030f8ceae72a92638f1dab33c2c90

  • SHA1

    44a9d933446040bd5562aa7cd1d3bcdd4f5c8190

  • SHA256

    c2b16bc5a6c43aeec6a051d1462eea40394d66914ec0f155249085faed620088

  • SHA512

    de5315fa59ef60641a8043aa3c80cc4305a30b0f7cdacf658569487eced94a3b0e231720703803a390490dd017fa08e5a3e6a7f8a15c3297a6bda773c4b3f756

  • SSDEEP

    3072:TBN2vWmC+LHMe4Q5+vZHlxaCNz3I1iJ6yPpr/VhemJj6kLKUd:deLHMe4TvZhD4ytVhpjx3

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.exe

    • Size

      177KB

    • MD5

      814030f8ceae72a92638f1dab33c2c90

    • SHA1

      44a9d933446040bd5562aa7cd1d3bcdd4f5c8190

    • SHA256

      c2b16bc5a6c43aeec6a051d1462eea40394d66914ec0f155249085faed620088

    • SHA512

      de5315fa59ef60641a8043aa3c80cc4305a30b0f7cdacf658569487eced94a3b0e231720703803a390490dd017fa08e5a3e6a7f8a15c3297a6bda773c4b3f756

    • SSDEEP

      3072:TBN2vWmC+LHMe4Q5+vZHlxaCNz3I1iJ6yPpr/VhemJj6kLKUd:deLHMe4TvZhD4ytVhpjx3

    • 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

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Tasks