Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2024, 05:53

General

  • Target
    Ziraat Bankasi Swift Mesaji.exe
  • Size 853KB
  • Sample240702-glbe2ssglm
  • SHA256 c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
    "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
      "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:4492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        hansson.ini

        • Path C:\Program Files (x86)\Common Files\hansson.ini
        • Size 43B
        • SHA256 de7ad71debdcbe152a2f5cbd5aef0774cdc5e81d8aa5f8d708f1621ccb6625ac
        • MD5 SHA1 SHA512

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsc322D.tmp\System.dll
        • Size 12KB
        • SHA256 acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
        • MD5 SHA1 SHA512 SSDEEP

        memory/4072-229-0x00000000046F0000-0x0000000007567000-memory.dmp

        memory/4072-230-0x00000000779E1000-0x0000000077B01000-memory.dmp

        memory/4072-231-0x0000000074845000-0x0000000074846000-memory.dmp

        memory/4072-234-0x00000000046F0000-0x0000000007567000-memory.dmp

        memory/4072-241-0x00000000046F0000-0x0000000007567000-memory.dmp

        memory/4492-232-0x0000000001AA0000-0x0000000004917000-memory.dmp

        memory/4492-233-0x0000000000840000-0x0000000001A94000-memory.dmp

        memory/4492-236-0x0000000001AA0000-0x0000000004917000-memory.dmp