Analysis

  • max time kernel
    71s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/01/2023, 16:49

General

  • Target
    RFQ-43842 Teklif Gerekiyor.exe
  • Size 919KB
  • Sample230113-vbnvaaae73
  • SHA256 916677af442bb08e425f3e31f614e2afca12ca7d2ab51976b409bd97013b0714
  • MD5 SHA1 SHA512 SSDEEP

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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 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:880
    • 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:2032
    • 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:1972
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\idsHufUEXEnG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF51.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1796
    • 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:628

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        tmpCF51.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpCF51.tmp
        • Size 1KB
        • SHA256 3467105c00ba020c04008fcab3fa0659574e2c890fcb8cb6949e0582e423a242
        • MD5 SHA1 SHA512

        d93f411851d7c929.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
        • Size 7KB
        • SHA256 1608669c0395005e30b0cf4eb05e15997b49594f956311db8aa6c1f0b5775a97
        • MD5 SHA1 SHA512 SSDEEP

        memory/628-67-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/628-78-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/628-76-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/628-73-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/628-72-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/628-70-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/628-68-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/880-66-0x0000000002410000-0x0000000002438000-memory.dmp

        memory/880-54-0x00000000001D0000-0x00000000002BC000-memory.dmp

        memory/880-58-0x0000000005AC0000-0x0000000005B22000-memory.dmp

        memory/880-57-0x0000000000550000-0x000000000055A000-memory.dmp

        memory/880-56-0x00000000003E0000-0x00000000003F6000-memory.dmp

        memory/880-55-0x0000000076871000-0x0000000076873000-memory.dmp

        memory/1972-81-0x000000006F9F0000-0x000000006FA75000-memory.dmp

        memory/2032-80-0x000000006F9F0000-0x000000006FA75000-memory.dmp