General

  • Target

    ekstre.exe

  • Size

    432KB

  • Sample

    230918-db6awshb32

  • MD5

    199b0efae75612c7b630ecad45837e26

  • SHA1

    fd6eeeb7e3273e673f331732fdfbbad10f22dbbd

  • SHA256

    d9457e8058d8950ba97a8a57c3f7771c0093d72600bf5e9e1f085e4d3b497e7c

  • SHA512

    38b9b7fea2938c442ecbd2b8e8cc1afcacb964add008c9fa7497494c1875dfa3390ff56d0e2a13806dd65824ccde83968b498cb824226c7231d071e526c34773

  • SSDEEP

    12288:xgnN+4E6KpEuODhRAGmP3b11C4YvgTIBPHX:IE4EODXXmz11C4YVBPHX

Malware Config

Targets

    • Target

      ekstre.exe

    • Size

      432KB

    • MD5

      199b0efae75612c7b630ecad45837e26

    • SHA1

      fd6eeeb7e3273e673f331732fdfbbad10f22dbbd

    • SHA256

      d9457e8058d8950ba97a8a57c3f7771c0093d72600bf5e9e1f085e4d3b497e7c

    • SHA512

      38b9b7fea2938c442ecbd2b8e8cc1afcacb964add008c9fa7497494c1875dfa3390ff56d0e2a13806dd65824ccde83968b498cb824226c7231d071e526c34773

    • SSDEEP

      12288:xgnN+4E6KpEuODhRAGmP3b11C4YvgTIBPHX:IE4EODXXmz11C4YVBPHX

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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 Microsoft Outlook profiles

    • 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.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks