General

  • Target

    6E47A310F6E5D8032F5A6BEB227009BE5BFA3C878B264.exe

  • Size

    348KB

  • Sample

    230127-gxk4mage82

  • MD5

    ffb737afdafc001d1cde6b2ea73e7766

  • SHA1

    2170a0ae40e936d0b3fa5d2be9224d4ea23596e4

  • SHA256

    6e47a310f6e5d8032f5a6beb227009be5bfa3c878b2642b6f6bf975c6adfda8a

  • SHA512

    d8cf48240bda98387f7dffd22777bf691a53c4469b36b6ff4d5876c2ed7f6eb2e5b0f917bacac8cc6c66d80907a65ecd1ec9bab2aac4ae8a4e8cd1729f5c291c

  • SSDEEP

    6144:/H7JLQhPU2fkhCg0mIsglGm1Uc1YuHWUJDz3Qp1biTvNZvbCa:/H1Uhs2JgZIr0Gh/g1bSl

Malware Config

Extracted

Family

vidar

Version

1.5

Botnet

14

C2

https://t.me/dahuasecurit

https://steamcommunity.com/profiles/76561199441999914

Attributes
  • profile_id

    14

Targets

    • Target

      6E47A310F6E5D8032F5A6BEB227009BE5BFA3C878B264.exe

    • Size

      348KB

    • MD5

      ffb737afdafc001d1cde6b2ea73e7766

    • SHA1

      2170a0ae40e936d0b3fa5d2be9224d4ea23596e4

    • SHA256

      6e47a310f6e5d8032f5a6beb227009be5bfa3c878b2642b6f6bf975c6adfda8a

    • SHA512

      d8cf48240bda98387f7dffd22777bf691a53c4469b36b6ff4d5876c2ed7f6eb2e5b0f917bacac8cc6c66d80907a65ecd1ec9bab2aac4ae8a4e8cd1729f5c291c

    • SSDEEP

      6144:/H7JLQhPU2fkhCg0mIsglGm1Uc1YuHWUJDz3Qp1biTvNZvbCa:/H1Uhs2JgZIr0Gh/g1bSl

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Adds Run key to start application

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

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