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Analysis

  • max time kernel
    69s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08/02/2023, 17:29

General

  • Target

    RFQ-43842 Teklif Gerekiyor.exe

  • Size

    919KB

  • MD5

    7c09e5b5f70f2a1b753794d6fa0df965

  • SHA1

    8626cd57ebc7821a992d583570ab785c51cf51dc

  • SHA256

    916677af442bb08e425f3e31f614e2afca12ca7d2ab51976b409bd97013b0714

  • SHA512

    6ab54e42b1336dfe04084cf56af716d722b4941af5056b82c74d795810cdb663946fead6f2e71922d575797bd80fdd987318f1f2f9396c5d29f92c373a6e6caf

  • SSDEEP

    12288:Q/LofQ97V7gh/00BeGJwvioJi9u2XyDRRS8fcH/mXtoS/n5Ji+DFj0YKAv:gtb7gh/00BWdcNy1RSwcEtoSPi+3z

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://api.telegram.org/bot5814180506:AAFpVfxl9CBszzsUeg8FTylBwiTKUc4g3lA/sendMessage?chat_id=5056270248

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1104
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\idsHufUEXEnG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1212
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\idsHufUEXEnG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1A4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1876
    • C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"
      2⤵
        PID:1820
      • C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"
        2⤵
          PID:684
        • C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe
          "C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:896

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpB1A4.tmp

        Filesize

        1KB

        MD5

        52d009315086cdb8115b8bf30178ac64

        SHA1

        76e8b54a246434dfb87e1c37c50d7657ff8e0128

        SHA256

        3467105c00ba020c04008fcab3fa0659574e2c890fcb8cb6949e0582e423a242

        SHA512

        72496755ce372d55bb29054e80588d6807cb0ab09684fc809cf66fd9bda14d9ebad7fab64396fa65e264a8c27c5ab6719ca9ee4071f8f7f9af849343388ac141

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

        Filesize

        7KB

        MD5

        ebe1fd1ce6158c024ee533ba4ab45f92

        SHA1

        8486581a775cce1e93af33a252fb5c550f8e6c6f

        SHA256

        285b42f4d1f16364e3554be6981ef8472a13f91ca015531ff8fcd3ee2a45d1de

        SHA512

        a4caa4e16d7a7ea18a7f66504fd5857c458cf6d10ea139563fea5e33a3bfc1a8e927ad958973a62e9f2207b248186ace4c9f64fdfae5cb09b17ff3e62b0842a9

      • memory/896-67-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/896-78-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/896-76-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/896-73-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/896-72-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/896-70-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/896-68-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/1104-80-0x000000006F8E0000-0x000000006FE8B000-memory.dmp

        Filesize

        5.7MB

      • memory/1104-83-0x000000006F8E0000-0x000000006FE8B000-memory.dmp

        Filesize

        5.7MB

      • memory/1212-81-0x000000006F8E0000-0x000000006FE8B000-memory.dmp

        Filesize

        5.7MB

      • memory/1212-82-0x000000006F8E0000-0x000000006FE8B000-memory.dmp

        Filesize

        5.7MB

      • memory/1972-66-0x0000000004E40000-0x0000000004E68000-memory.dmp

        Filesize

        160KB

      • memory/1972-54-0x0000000000260000-0x000000000034C000-memory.dmp

        Filesize

        944KB

      • memory/1972-58-0x0000000004B40000-0x0000000004BA2000-memory.dmp

        Filesize

        392KB

      • memory/1972-57-0x0000000000A20000-0x0000000000A2A000-memory.dmp

        Filesize

        40KB

      • memory/1972-56-0x00000000009B0000-0x00000000009C6000-memory.dmp

        Filesize

        88KB

      • memory/1972-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

        Filesize

        8KB