General

  • Target

    Setup.exe

  • Size

    416.7MB

  • Sample

    221118-y1zjvsah5x

  • MD5

    89d2e268e42d0d2548864f5a3b57f09b

  • SHA1

    6890d7125ed806aabf5724b23562e4c2b9987dc3

  • SHA256

    b4dde3bce6a9dbf6e5a5ab13fc6aa7c9a071876c1bb86be73706fa2f0e56c249

  • SHA512

    e4fbddc8004b60aaeabffa25ab2d88f9e5bdad885f8ab91ec3d976db2ffac1d78c02f03178c7a001afbf8f915b2cbc4c259fca9d8bbe825c60051d05c4038b96

  • SSDEEP

    98304:irm26dRwZfLvafaKh+fGWecU8oVvHySmIFWj16Ol6CWgqLlW9399jGPaasO:irmhRwyfaJfGRvKLZZ0BLlWh/Wa1

Malware Config

Extracted

Family

vidar

Version

55.7

Botnet

1707

C2

https://t.me/deadftx

https://www.tiktok.com/@user6068972597711

Attributes
  • profile_id

    1707

Targets

    • Target

      Setup.exe

    • Size

      416.7MB

    • MD5

      89d2e268e42d0d2548864f5a3b57f09b

    • SHA1

      6890d7125ed806aabf5724b23562e4c2b9987dc3

    • SHA256

      b4dde3bce6a9dbf6e5a5ab13fc6aa7c9a071876c1bb86be73706fa2f0e56c249

    • SHA512

      e4fbddc8004b60aaeabffa25ab2d88f9e5bdad885f8ab91ec3d976db2ffac1d78c02f03178c7a001afbf8f915b2cbc4c259fca9d8bbe825c60051d05c4038b96

    • SSDEEP

      98304:irm26dRwZfLvafaKh+fGWecU8oVvHySmIFWj16Ol6CWgqLlW9399jGPaasO:irmhRwyfaJfGRvKLZZ0BLlWh/Wa1

    • 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.

    • Deletes itself

    • 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