General

  • Target

    4dac9b8456336bcf9575a28073cd174b1ff860d1daad6c9b3c1f9ee052ff22c6

  • Size

    342KB

  • Sample

    221204-levybsba6w

  • MD5

    c4a507025ba4e36138b24c84b5d39af1

  • SHA1

    e898d80d35b9f1decafa45378d76074b93413b64

  • SHA256

    4dac9b8456336bcf9575a28073cd174b1ff860d1daad6c9b3c1f9ee052ff22c6

  • SHA512

    85087ad9a73b9aface96417aae8f2c4eda34d5cd8eeac374664871a4615fe9bfca6f65bf8ac9e0bc8343dea704c19e18fb58334617af511a5f73a5ce4f83c5b8

  • SSDEEP

    6144:y4APCi8a9s3qYnJIz3folLehGogymlglXsG1P0y:y3PCit0LnJS7HgyWgl8G

Malware Config

Extracted

Family

vidar

Version

56

Botnet

1148

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    1148

Targets

    • Target

      4dac9b8456336bcf9575a28073cd174b1ff860d1daad6c9b3c1f9ee052ff22c6

    • Size

      342KB

    • MD5

      c4a507025ba4e36138b24c84b5d39af1

    • SHA1

      e898d80d35b9f1decafa45378d76074b93413b64

    • SHA256

      4dac9b8456336bcf9575a28073cd174b1ff860d1daad6c9b3c1f9ee052ff22c6

    • SHA512

      85087ad9a73b9aface96417aae8f2c4eda34d5cd8eeac374664871a4615fe9bfca6f65bf8ac9e0bc8343dea704c19e18fb58334617af511a5f73a5ce4f83c5b8

    • SSDEEP

      6144:y4APCi8a9s3qYnJIz3folLehGogymlglXsG1P0y:y3PCit0LnJS7HgyWgl8G

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Uses the VBS compiler for execution

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks