Analysis

  • max time kernel
    79s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 05:30

General

  • Target

    7a3faa7eb2b95054501597370ef432eb2be6623c5593d55519ffa9daea1ab09fN.exe

  • Size

    368KB

  • MD5

    c16b1cb543bd5f5dcf42d38a79011d00

  • SHA1

    240f544d40c3d25427bbb2f7d39115dd8a81c567

  • SHA256

    7a3faa7eb2b95054501597370ef432eb2be6623c5593d55519ffa9daea1ab09f

  • SHA512

    f8b0a18e0b9644dbe619745327c72ada40c8a58758ae8a1243921df742874ef138d1b4adbb6b620dffa73cb476907e54c0992c23b31f35788bee9ba394705731

  • SSDEEP

    6144:eo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4qh:emSuOcHmnYhrDMTrban4qh

Malware Config

Signatures

  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Trickbot x86 loader 4 IoCs

    Detected Trickbot's x86 loader that unpacks the x86 payload.

  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 2 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a3faa7eb2b95054501597370ef432eb2be6623c5593d55519ffa9daea1ab09fN.exe
    "C:\Users\Admin\AppData\Local\Temp\7a3faa7eb2b95054501597370ef432eb2be6623c5593d55519ffa9daea1ab09fN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\cmd.exe
      /c sc stop WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2824
    • C:\Windows\SysWOW64\cmd.exe
      /c sc delete WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\sc.exe
        sc delete WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2840
    • C:\Windows\SysWOW64\cmd.exe
      /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2580
    • C:\Users\Admin\AppData\Roaming\WNetval\8a3faa8eb2b96064601698380ef432eb2be7723c6693d66619ffa9daea1ab09fN.exe
      C:\Users\Admin\AppData\Roaming\WNetval\8a3faa8eb2b96064601698380ef432eb2be7723c6693d66619ffa9daea1ab09fN.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\cmd.exe
        /c sc stop WinDefend
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2772
        • C:\Windows\SysWOW64\sc.exe
          sc stop WinDefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2248
      • C:\Windows\SysWOW64\cmd.exe
        /c sc delete WinDefend
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2584
        • C:\Windows\SysWOW64\sc.exe
          sc delete WinDefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:3060
      • C:\Windows\SysWOW64\cmd.exe
        /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2712
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2212
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2544
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {F21EA589-99E9-4C3A-B3E5-8B4B199EDADB} S-1-5-18:NT AUTHORITY\System:Service:
      1⤵
        PID:1956
        • C:\Users\Admin\AppData\Roaming\WNetval\8a3faa8eb2b96064601698380ef432eb2be7723c6693d66619ffa9daea1ab09fN.exe
          C:\Users\Admin\AppData\Roaming\WNetval\8a3faa8eb2b96064601698380ef432eb2be7723c6693d66619ffa9daea1ab09fN.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2404
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe
            3⤵
              PID:2176

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1846800975-3917212583-2893086201-1000\0f5007522459c86e95ffcc62f32308f1_f9da27c9-c625-43c3-9b3a-b1344b01e128

          Filesize

          1KB

          MD5

          a25d5b002cecef56ce0bf2b56159340f

          SHA1

          c0b0890e337f3898ba489b8690236dddf8f6aed9

          SHA256

          1c3c51b4ef62c83a9b00aae4b405195af35957589a334e911f42bdf90dcc578a

          SHA512

          b968ab50b222a5e0aff93c00763ce5a04fb718fd9a9a5d653bf2397be9ffa745fe6c6448c011217dcb1d667f7385705cbc92b6e9fd3b1611ee49cbfa73974033

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

          Filesize

          7KB

          MD5

          ae7f04c52a3f8fff236aa12316cbfce7

          SHA1

          b667818c9f6d7d43f4836103db5fb14270d4e3eb

          SHA256

          1bc765fb5c39045136ae34b2244383bbb70ff550e662a744854af587bccf7177

          SHA512

          3188a10d701b2e3040366713ddf1fda41ccd3efc9db965847581c1545730e0d56b65f8baaff0dde18c5935c172297f1c0fb7bc7de871ddbd656f4b19a79cb80c

        • \Users\Admin\AppData\Roaming\WNetval\8a3faa8eb2b96064601698380ef432eb2be7723c6693d66619ffa9daea1ab09fN.exe

          Filesize

          368KB

          MD5

          c16b1cb543bd5f5dcf42d38a79011d00

          SHA1

          240f544d40c3d25427bbb2f7d39115dd8a81c567

          SHA256

          7a3faa7eb2b95054501597370ef432eb2be6623c5593d55519ffa9daea1ab09f

          SHA512

          f8b0a18e0b9644dbe619745327c72ada40c8a58758ae8a1243921df742874ef138d1b4adbb6b620dffa73cb476907e54c0992c23b31f35788bee9ba394705731

        • memory/2196-1-0x00000000003C0000-0x00000000003E9000-memory.dmp

          Filesize

          164KB

        • memory/2196-6-0x00000000003C0000-0x00000000003E9000-memory.dmp

          Filesize

          164KB

        • memory/2544-16-0x0000000010000000-0x000000001001F000-memory.dmp

          Filesize

          124KB

        • memory/2752-10-0x0000000000140000-0x0000000000169000-memory.dmp

          Filesize

          164KB

        • memory/2752-20-0x0000000000140000-0x0000000000169000-memory.dmp

          Filesize

          164KB

        • memory/2752-12-0x0000000010000000-0x0000000010007000-memory.dmp

          Filesize

          28KB

        • memory/2752-11-0x0000000010000000-0x0000000010007000-memory.dmp

          Filesize

          28KB