Resubmissions

19/04/2026, 00:52

260419-a77xtaaz3j10

17/04/2026, 12:20

260417-ph86xagv6z10

General

  • Target
    QUANTUMBOOST.exe
  • Size 3.0MB
  • Sample260417-ph86xagv6z
  • SHA256 4ad3818ea21f244e973b12b61148e042dadc75161fdb3d01f63a16491f7854c8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • santa_stealer

C2
  • ioc.exchange

  • ruruurururururu.ru

Attributes
  • post_request

    fa3c16365fd0d67f6035f379df7a375ebe1aa51e99a2dde0db92c906ed003a70

  • url_path

    /api/v1/accounts

  • user_agent

    MastodonClient

Targets

    • Target
      QUANTUMBOOST.exe
    • Size 3.0MB
    • SHA256 4ad3818ea21f244e973b12b61148e042dadc75161fdb3d01f63a16491f7854c8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: SantaStealer

      SantaStealer is an information stealer written in C.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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 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.

MITRE ATT&CK Enterprise v16

Tasks