Analysis

  • max time kernel
    94s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/12/2022, 10:34

General

  • Target

    Ziraat Bankasi Swift Mesaji.exe

  • Size

    414KB

  • MD5

    e380c8d132b43974acf2e2bc3e5fde65

  • SHA1

    db41b1691c5fa507e9cf9a120b0766744ad42832

  • SHA256

    d3c2f6c0cf022d926366f343c1048acf8fee9575f42d700cce3f0ffc9605d33d

  • SHA512

    eadccca823f3c7a28d7bbb4b76b062b6343765380572a59814ed0013a89f15b7d64899e632fc2a41a85ddbca91fb614e158e3cba7008e184122d41b7db1e55d4

  • SSDEEP

    6144:UkwJK/tPpyRo/xHJ/aOwcluMrB3EsFXaBNDVKdiD1x:p/tPgAE1clbvXmOdAr

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Executes dropped EXE 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 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⤵
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe
      "C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe" C:\Users\Admin\AppData\Local\Temp\wqkbdbkh.m
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1592
      • C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe
        "C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:5116

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe

          Filesize

          49KB

          MD5

          97fde168830c64f90bfa7527feee8148

          SHA1

          7c7c54124ee0a5dfb2881c4da57a8d06486a5418

          SHA256

          ec631005b5ddcd8cd53aa744dd431c4f880c50c0513fa1c4a3e8b7e7364d9a5f

          SHA512

          8c3e3399e4370aa329c1f988951ac209b25c2f456b117e191d7fbfc485f96799abb5dd57ae3fb79843e96a511659971a3350600c45033f6d8dca47d8113f0127

        • C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe

          Filesize

          49KB

          MD5

          97fde168830c64f90bfa7527feee8148

          SHA1

          7c7c54124ee0a5dfb2881c4da57a8d06486a5418

          SHA256

          ec631005b5ddcd8cd53aa744dd431c4f880c50c0513fa1c4a3e8b7e7364d9a5f

          SHA512

          8c3e3399e4370aa329c1f988951ac209b25c2f456b117e191d7fbfc485f96799abb5dd57ae3fb79843e96a511659971a3350600c45033f6d8dca47d8113f0127

        • C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe

          Filesize

          49KB

          MD5

          97fde168830c64f90bfa7527feee8148

          SHA1

          7c7c54124ee0a5dfb2881c4da57a8d06486a5418

          SHA256

          ec631005b5ddcd8cd53aa744dd431c4f880c50c0513fa1c4a3e8b7e7364d9a5f

          SHA512

          8c3e3399e4370aa329c1f988951ac209b25c2f456b117e191d7fbfc485f96799abb5dd57ae3fb79843e96a511659971a3350600c45033f6d8dca47d8113f0127

        • C:\Users\Admin\AppData\Local\Temp\kzlqg.dhv

          Filesize

          239KB

          MD5

          e8b6fb50f0b228a3fef85ae2867c0c82

          SHA1

          f420549e2d8ed7f7ef43ffab78fcdcbdccbf3553

          SHA256

          3a5d977322e908d96153b965b1c86b7ecee8bc984e6fa0be9ff34189f7dd7758

          SHA512

          c997093839dcdb346b4ef12d02d1edc02090ae81eee1c84039fbec261a375627bfbc14334082c8ccb0dcb25ae173b422b08a09cf35fa9f3627cd7f4c100f7b8d

        • C:\Users\Admin\AppData\Local\Temp\wqkbdbkh.m

          Filesize

          7KB

          MD5

          cf0b3b91b4837b5ec91d75fa61ae294a

          SHA1

          11698324b32ef7b670ee598db75b37f1d3d39379

          SHA256

          3fa78ba67942b2a706437a3ec1e590cdb54d09376460553829995fc493770db7

          SHA512

          2f91bce6623bfc9185886b256a67fd8b72e1bc00733e96c5d61940970bf987b64abb3abbbd2634ca75de053f9443a036246a4d488bfea09591ddf978b7c09ca2

        • memory/5116-139-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/5116-140-0x00000000049D0000-0x0000000004F74000-memory.dmp

          Filesize

          5.6MB

        • memory/5116-141-0x0000000004F80000-0x000000000501C000-memory.dmp

          Filesize

          624KB

        • memory/5116-142-0x0000000005990000-0x00000000059F6000-memory.dmp

          Filesize

          408KB

        • memory/5116-143-0x0000000005B80000-0x0000000005C12000-memory.dmp

          Filesize

          584KB

        • memory/5116-144-0x0000000005EC0000-0x0000000005ECA000-memory.dmp

          Filesize

          40KB

        • memory/5116-145-0x00000000060E0000-0x0000000006130000-memory.dmp

          Filesize

          320KB