General

  • Target

    file.exe

  • Size

    3.0MB

  • Sample

    221112-qbgzhsga29

  • MD5

    73af5ace32c8bb9cd5228f3cd7514c3c

  • SHA1

    970079d1ff0625ada27826ad31c844b7a61ed058

  • SHA256

    3e9c629c225bf857fc3183cc5f17ae5816e04f20c7d9636d5d6adac849ed2279

  • SHA512

    d946ab114101912849cd8936fc80b5cddc9eff9087519ab2e4300bf4a20b620a08b5e9d2860ca8df3b25691e7fbb040b612785042cda65ed066c7f0f98717b39

  • SSDEEP

    49152:D1/9eGt9VtrUePaOoo1uFDJKjtA0qXpwhz2VhJa5S2Cfnnlnz7m/gc+aap209Q3f:p/xIGVj1uZmi0qZwhO2+V7m/5C8DMw

Malware Config

Extracted

Family

vidar

Version

55.6

Botnet

1679

C2

https://t.me/seclab_new

https://raw.githubusercontent.com/sebekeloytfu/simple-bash-scripts/master/calculator.sh

Attributes
  • profile_id

    1679

Targets

    • Target

      file.exe

    • Size

      3.0MB

    • MD5

      73af5ace32c8bb9cd5228f3cd7514c3c

    • SHA1

      970079d1ff0625ada27826ad31c844b7a61ed058

    • SHA256

      3e9c629c225bf857fc3183cc5f17ae5816e04f20c7d9636d5d6adac849ed2279

    • SHA512

      d946ab114101912849cd8936fc80b5cddc9eff9087519ab2e4300bf4a20b620a08b5e9d2860ca8df3b25691e7fbb040b612785042cda65ed066c7f0f98717b39

    • SSDEEP

      49152:D1/9eGt9VtrUePaOoo1uFDJKjtA0qXpwhz2VhJa5S2Cfnnlnz7m/gc+aap209Q3f:p/xIGVj1uZmi0qZwhO2+V7m/5C8DMw

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Command and Control

Web Service

1
T1102

Tasks