General

  • Target

    Halkbank_Ekstre_20230908_170025_496915.exe

  • Size

    600KB

  • Sample

    230911-lejkasfb76

  • MD5

    aab2100f43d0abe6926062607286f796

  • SHA1

    0bb668fc1bf65d6b0cd743039ede02631610c67c

  • SHA256

    200451c7cd61830d68c86f7c4ec87af94578ffbe2bea94123764a85cc2a426ca

  • SHA512

    9526920a86c4651e767358486fdb7adb490f65db166d596593213496f4c73079d8757eee28aabd6cc6a19a7f8c35073ce217fac21ad8097d0b04c5b2e5b75fca

  • SSDEEP

    6144:SgORa6xKTuuuqjL7IMLeSDYZ5fT4ZkFty9Zah+dXFWIdfuB861y08N3UzYuY72vU:Sgm/S8n46U/dfc861yjNkUIHK2u

Malware Config

Targets

    • Target

      Halkbank_Ekstre_20230908_170025_496915.exe

    • Size

      600KB

    • MD5

      aab2100f43d0abe6926062607286f796

    • SHA1

      0bb668fc1bf65d6b0cd743039ede02631610c67c

    • SHA256

      200451c7cd61830d68c86f7c4ec87af94578ffbe2bea94123764a85cc2a426ca

    • SHA512

      9526920a86c4651e767358486fdb7adb490f65db166d596593213496f4c73079d8757eee28aabd6cc6a19a7f8c35073ce217fac21ad8097d0b04c5b2e5b75fca

    • SSDEEP

      6144:SgORa6xKTuuuqjL7IMLeSDYZ5fT4ZkFty9Zah+dXFWIdfuB861y08N3UzYuY72vU:Sgm/S8n46U/dfc861yjNkUIHK2u

    • 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