Resubmissions

09-07-2024 22:16

240709-1611zs1bmb 10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 22:16

General

  • Target

    50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe

  • Size

    237KB

  • MD5

    0c3e95d87876a9f46750a31141706722

  • SHA1

    87fb97622c4a2b087c7c85b49d321b65c12f3af0

  • SHA256

    50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b

  • SHA512

    57c9f162d7c80e6a1084f7445cac1d03c4f297db0c69b0c5ef8e19989c403bf9952dab66a1cc6358bf95d6f02a29d25643dcd0fbe0aa676f9fa233cc9319ee8a

  • SSDEEP

    6144:sA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:sATuTAnKGwUAWVycQqgj

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1200
        • C:\Users\Admin\AppData\Local\Temp\50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe
          "C:\Users\Admin\AppData\Local\Temp\50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2092
          • C:\Windows\SysWOW64\winver.exe
            winver
            3⤵
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:2932
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:2040

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        System Information Discovery

        1
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1112-24-0x0000000002090000-0x0000000002096000-memory.dmp
          Filesize

          24KB

        • memory/1112-11-0x0000000002090000-0x0000000002096000-memory.dmp
          Filesize

          24KB

        • memory/1172-14-0x0000000000140000-0x0000000000146000-memory.dmp
          Filesize

          24KB

        • memory/1172-26-0x0000000000140000-0x0000000000146000-memory.dmp
          Filesize

          24KB

        • memory/1200-6-0x0000000002E30000-0x0000000002E36000-memory.dmp
          Filesize

          24KB

        • memory/1200-17-0x0000000002E40000-0x0000000002E46000-memory.dmp
          Filesize

          24KB

        • memory/1200-1-0x0000000002E30000-0x0000000002E36000-memory.dmp
          Filesize

          24KB

        • memory/1200-3-0x0000000002E30000-0x0000000002E36000-memory.dmp
          Filesize

          24KB

        • memory/1200-25-0x0000000002E40000-0x0000000002E46000-memory.dmp
          Filesize

          24KB

        • memory/2040-20-0x0000000001E30000-0x0000000001E36000-memory.dmp
          Filesize

          24KB

        • memory/2040-27-0x0000000001E30000-0x0000000001E36000-memory.dmp
          Filesize

          24KB

        • memory/2092-8-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/2932-23-0x00000000003D0000-0x00000000003D6000-memory.dmp
          Filesize

          24KB

        • memory/2932-4-0x00000000000F0000-0x00000000000F6000-memory.dmp
          Filesize

          24KB

        • memory/2932-29-0x00000000003D0000-0x00000000003D6000-memory.dmp
          Filesize

          24KB