General

  • Target

    50cd76e757f34b9ee547359cc01cd01440fdf17a1160388a638775e18ac7a087

  • Size

    341KB

  • Sample

    221204-b7erpsfd57

  • MD5

    d3e6aae1b8a1f6873e6d7c375308e599

  • SHA1

    1d10cbf70f9abb225b1b8b4146eed550a6cb27f3

  • SHA256

    50cd76e757f34b9ee547359cc01cd01440fdf17a1160388a638775e18ac7a087

  • SHA512

    4e498a144dbc30a9db9e29336c5b948ee672faa7938d6a9df4a72a471ef68ff6a4168a70855dce9cd50177493df1c566abdd61251460b43a53666435cfc195f2

  • SSDEEP

    6144:reo6UJkW+lHI6SSafNbHnMW2RqnZXFMY:reo6siJUNjMW35GY

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

      50cd76e757f34b9ee547359cc01cd01440fdf17a1160388a638775e18ac7a087

    • Size

      341KB

    • MD5

      d3e6aae1b8a1f6873e6d7c375308e599

    • SHA1

      1d10cbf70f9abb225b1b8b4146eed550a6cb27f3

    • SHA256

      50cd76e757f34b9ee547359cc01cd01440fdf17a1160388a638775e18ac7a087

    • SHA512

      4e498a144dbc30a9db9e29336c5b948ee672faa7938d6a9df4a72a471ef68ff6a4168a70855dce9cd50177493df1c566abdd61251460b43a53666435cfc195f2

    • SSDEEP

      6144:reo6UJkW+lHI6SSafNbHnMW2RqnZXFMY:reo6siJUNjMW35GY

    • 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

    • Deletes itself

    • 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

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks