General

  • Target

    file.exe

  • Size

    3.2MB

  • Sample

    221010-1rlyhsdefp

  • MD5

    21c4865673cc339ddd94dcc917c575ee

  • SHA1

    036194acd32f8e65c5077e89336ee596075484e2

  • SHA256

    1a12d9c9ac19873abafa62c6d37eb8c31495a0818e8aa99987b41126cd31cd02

  • SHA512

    10aab10d3dca2611cc3c2b719aa5d50c46992147f126fa2e20843b2f82620052a98f56e999675e793d6de0be505a5d79e7746dacabeb56fce46b62657be4683b

  • SSDEEP

    49152:s6U1gC9btl/jP+C+CmGFhtsN7fTROWBtKqycrCqH4fHrrh4cw:S9xl7P+CnmGFhtubt0JqSHZ4cw

Malware Config

Extracted

Family

vidar

Version

55

Botnet

1679

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes
  • profile_id

    1679

Targets

    • Target

      file.exe

    • Size

      3.2MB

    • MD5

      21c4865673cc339ddd94dcc917c575ee

    • SHA1

      036194acd32f8e65c5077e89336ee596075484e2

    • SHA256

      1a12d9c9ac19873abafa62c6d37eb8c31495a0818e8aa99987b41126cd31cd02

    • SHA512

      10aab10d3dca2611cc3c2b719aa5d50c46992147f126fa2e20843b2f82620052a98f56e999675e793d6de0be505a5d79e7746dacabeb56fce46b62657be4683b

    • SSDEEP

      49152:s6U1gC9btl/jP+C+CmGFhtsN7fTROWBtKqycrCqH4fHrrh4cw:S9xl7P+CnmGFhtubt0JqSHZ4cw

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks