General

  • Target

    file.exe

  • Size

    2.0MB

  • Sample

    221115-xalpmsfc39

  • MD5

    c73f442f781b12bf1c37f9bd580eb835

  • SHA1

    994ad6dba50348b974c5e267b47528022f8df1c3

  • SHA256

    234c1a6aa873bd2e02df3f7e52cad468e0a017b345994cc22e93a44a4748c2e0

  • SHA512

    70334c271bb83cb42eab052b1ee282a10e9bf9a6e63e6fc099350435ef5bfdc4e7ff0978b6475eaf0ffda1a698a6c24f21a44f8898faf175bce8ec78fb50f50c

  • SSDEEP

    49152:4GMElJ+BnVkMZJzYVl4HkmKKcBkBcti5kagWYey9jK3CnC7MT:KBn2M48HkA2dJWtys3C9

Malware Config

Extracted

Family

vidar

Version

55.7

Botnet

1679

C2

https://t.me/deadftx

https://www.ultimate-guitar.com/u/smbfupkuhrgc1

Attributes
  • profile_id

    1679

Targets

    • Target

      file.exe

    • Size

      2.0MB

    • MD5

      c73f442f781b12bf1c37f9bd580eb835

    • SHA1

      994ad6dba50348b974c5e267b47528022f8df1c3

    • SHA256

      234c1a6aa873bd2e02df3f7e52cad468e0a017b345994cc22e93a44a4748c2e0

    • SHA512

      70334c271bb83cb42eab052b1ee282a10e9bf9a6e63e6fc099350435ef5bfdc4e7ff0978b6475eaf0ffda1a698a6c24f21a44f8898faf175bce8ec78fb50f50c

    • SSDEEP

      49152:4GMElJ+BnVkMZJzYVl4HkmKKcBkBcti5kagWYey9jK3CnC7MT:KBn2M48HkA2dJWtys3C9

    • 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.

    • 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

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Tasks