General

  • Target

    ff4715e729352eea84052907b951cf32.exe

  • Size

    4.2MB

  • Sample

    210117-rt4ybxyh56

  • MD5

    ff4715e729352eea84052907b951cf32

  • SHA1

    68440d3464d52b4aea96955b5c6725062e472329

  • SHA256

    30c29e58e71a8e3b2468d14dfdd1624b17af3f5c8ea560bfd1a278c3a513c5a9

  • SHA512

    3753c775dc22c168f1b036a9cf22befd957578c43d63b2eac9f23202aae5c8a20c39e925117c0836a430f60375b581e3154a35d5ae1147c16553712ed1e776e4

Malware Config

Targets

    • Target

      ff4715e729352eea84052907b951cf32.exe

    • Size

      4.2MB

    • MD5

      ff4715e729352eea84052907b951cf32

    • SHA1

      68440d3464d52b4aea96955b5c6725062e472329

    • SHA256

      30c29e58e71a8e3b2468d14dfdd1624b17af3f5c8ea560bfd1a278c3a513c5a9

    • SHA512

      3753c775dc22c168f1b036a9cf22befd957578c43d63b2eac9f23202aae5c8a20c39e925117c0836a430f60375b581e3154a35d5ae1147c16553712ed1e776e4

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • JavaScript code in executable

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Tasks