Analysis

  • max time kernel
    42s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2024 01:01

General

  • Target

    1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe

  • Size

    4.8MB

  • MD5

    98512fdc1d3b34e2196ca5b34e14f29c

  • SHA1

    460f2bbed2bc7419c1664d7f8a9e284e5b9bea83

  • SHA256

    1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399

  • SHA512

    ba83759ab4a14007c8344fa665329898d520f640cfab6ec7b177b191f423aa9ec9d07577d64fe11d3cbf56be1744f2e66c1fd0c8a6529fd867377e62445cd6a0

  • SSDEEP

    3072:patWqvozZqlXS99bMRfCh+T5bOCYEu05ukO3JJ:pMWqcIXS99bMZ5sCYE7O3P

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 9 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 42 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe
    "C:\Users\Admin\AppData\Local\Temp\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe" &&START "" "C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2644
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:2412
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe" /rl HIGHEST /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2976
        • C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe
          "C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1084
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {9BBAB288-0384-4BA1-AC14-F68161A44BE2} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2660
      • C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe
        C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe
        2⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:1608
        • C:\Windows\system32\cmd.exe
          "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
          3⤵
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:2188
          • C:\Windows\system32\chcp.com
            chcp 65001
            4⤵
              PID:2128
            • C:\Windows\system32\netsh.exe
              netsh wlan show profiles
              4⤵
              • Event Triggered Execution: Netsh Helper DLL
              • System Network Configuration Discovery: Wi-Fi Discovery
              PID:1152
            • C:\Windows\system32\findstr.exe
              findstr /R /C:"[ ]:[ ]"
              4⤵
                PID:1820
            • C:\Windows\system32\cmd.exe
              "cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1688
              • C:\Windows\system32\chcp.com
                chcp 65001
                4⤵
                  PID:1080
                • C:\Windows\system32\netsh.exe
                  netsh wlan show networks mode=bssid
                  4⤵
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:1156
                • C:\Windows\system32\findstr.exe
                  findstr "SSID BSSID Signal"
                  4⤵
                    PID:756

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Starlabs\1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399.exe

              Filesize

              4.8MB

              MD5

              98512fdc1d3b34e2196ca5b34e14f29c

              SHA1

              460f2bbed2bc7419c1664d7f8a9e284e5b9bea83

              SHA256

              1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399

              SHA512

              ba83759ab4a14007c8344fa665329898d520f640cfab6ec7b177b191f423aa9ec9d07577d64fe11d3cbf56be1744f2e66c1fd0c8a6529fd867377e62445cd6a0

            • C:\Users\Admin\AppData\Local\Temp\Cab4260.tmp

              Filesize

              70KB

              MD5

              49aebf8cbd62d92ac215b2923fb1b9f5

              SHA1

              1723be06719828dda65ad804298d0431f6aff976

              SHA256

              b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

              SHA512

              bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

            • C:\Users\Admin\AppData\Local\Temp\Tar4282.tmp

              Filesize

              181KB

              MD5

              4ea6026cf93ec6338144661bf1202cd1

              SHA1

              a1dec9044f750ad887935a01430bf49322fbdcb7

              SHA256

              8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

              SHA512

              6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

            • memory/396-0-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

              Filesize

              4KB

            • memory/396-1-0x0000000001290000-0x00000000012C4000-memory.dmp

              Filesize

              208KB

            • memory/396-2-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

              Filesize

              9.9MB

            • memory/396-5-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

              Filesize

              9.9MB

            • memory/1608-9-0x0000000000360000-0x0000000000394000-memory.dmp

              Filesize

              208KB