Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 07:00

General

  • Target

    98512fdc1d3b34e2196ca5b34e14f29c.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 3 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 18 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 2 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 12 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 4 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 5 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98512fdc1d3b34e2196ca5b34e14f29c.exe
    "C:\Users\Admin\AppData\Local\Temp\98512fdc1d3b34e2196ca5b34e14f29c.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "98512fdc1d3b34e2196ca5b34e14f29c" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\98512fdc1d3b34e2196ca5b34e14f29c.exe" &&START "" "C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2352
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:1664
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "98512fdc1d3b34e2196ca5b34e14f29c" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe" /rl HIGHEST /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2884
        • C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe
          "C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2928
          • C:\Windows\system32\cmd.exe
            "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
            4⤵
            • System Network Configuration Discovery: Wi-Fi Discovery
            • Suspicious use of WriteProcessMemory
            PID:428
            • C:\Windows\system32\chcp.com
              chcp 65001
              5⤵
                PID:2832
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                5⤵
                • Event Triggered Execution: Netsh Helper DLL
                • System Network Configuration Discovery: Wi-Fi Discovery
                PID:1068
              • C:\Windows\system32\findstr.exe
                findstr /R /C:"[ ]:[ ]"
                5⤵
                  PID:2796
              • C:\Windows\system32\cmd.exe
                "cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1716
                • C:\Windows\system32\chcp.com
                  chcp 65001
                  5⤵
                    PID:896
                  • C:\Windows\system32\netsh.exe
                    netsh wlan show networks mode=bssid
                    5⤵
                    • Event Triggered Execution: Netsh Helper DLL
                    PID:752
                  • C:\Windows\system32\findstr.exe
                    findstr "SSID BSSID Signal"
                    5⤵
                      PID:1548
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {985AE092-06B2-4931-B60A-F03D5CA2AFCE} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
              1⤵
              • Suspicious use of WriteProcessMemory
              PID:1160
              • C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe
                C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe
                2⤵
                • Executes dropped EXE
                • Suspicious use of AdjustPrivilegeToken
                PID:1220
              • C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe
                C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe
                2⤵
                • Executes dropped EXE
                • Accesses Microsoft Outlook profiles
                • Modifies system certificate store
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • outlook_office_path
                • outlook_win_path
                PID:1800
                • 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:1988
                  • C:\Windows\system32\chcp.com
                    chcp 65001
                    4⤵
                      PID:1880
                    • C:\Windows\system32\netsh.exe
                      netsh wlan show profiles
                      4⤵
                      • Event Triggered Execution: Netsh Helper DLL
                      • System Network Configuration Discovery: Wi-Fi Discovery
                      PID:276
                    • C:\Windows\system32\findstr.exe
                      findstr /R /C:"[ ]:[ ]"
                      4⤵
                        PID:2796
                    • 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:1380
                      • C:\Windows\system32\chcp.com
                        chcp 65001
                        4⤵
                          PID:2300
                        • C:\Windows\system32\netsh.exe
                          netsh wlan show networks mode=bssid
                          4⤵
                          • Event Triggered Execution: Netsh Helper DLL
                          PID:2332
                        • C:\Windows\system32\findstr.exe
                          findstr "SSID BSSID Signal"
                          4⤵
                            PID:2292

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

                      Filesize

                      342B

                      MD5

                      19cac2c705a3d3b3838f1bd7d4863ad4

                      SHA1

                      401abb3cedd54cef2031a849b189ab217363ebce

                      SHA256

                      a85f10c0d07a98fddd454d2b99e706013071915149b899edcfa724aeccd117c3

                      SHA512

                      fe68742afab62cc02a095c27c24aff203de7e6bab286db46a36b3d1f92433842d8f14f4db4944c0ffc8cf132b6461fdff6a79a72f62f5751296b71ee21e95063

                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

                      Filesize

                      342B

                      MD5

                      37e1de7b9c6a9758582a890c1eeeab0b

                      SHA1

                      c5a55f81a652adaeae546c830e9eb47f5ddf81b1

                      SHA256

                      25ac7e37c096ec55da9a2528e9272374e8b13fdcaade176f0eeae5bdd579034e

                      SHA512

                      898f01fd0bbb2fc595108fa4b9219ed9eb82d21fb4673f5d264e64a0a8f87da657f92f83081b4c32369fa2f6811e140dbdc1c0de9df459c1f0be6c265ac53507

                    • C:\Users\Admin\AppData\Local\Starlabs\98512fdc1d3b34e2196ca5b34e14f29c.exe

                      Filesize

                      4.8MB

                      MD5

                      98512fdc1d3b34e2196ca5b34e14f29c

                      SHA1

                      460f2bbed2bc7419c1664d7f8a9e284e5b9bea83

                      SHA256

                      1478772a2208da0b42fd08d2e4f3506259d09c50b5af093471d6c874bf19b399

                      SHA512

                      ba83759ab4a14007c8344fa665329898d520f640cfab6ec7b177b191f423aa9ec9d07577d64fe11d3cbf56be1744f2e66c1fd0c8a6529fd867377e62445cd6a0

                    • C:\Users\Admin\AppData\Local\Temp\CabD02E.tmp

                      Filesize

                      70KB

                      MD5

                      49aebf8cbd62d92ac215b2923fb1b9f5

                      SHA1

                      1723be06719828dda65ad804298d0431f6aff976

                      SHA256

                      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                      SHA512

                      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                    • C:\Users\Admin\AppData\Local\Temp\TarD050.tmp

                      Filesize

                      181KB

                      MD5

                      4ea6026cf93ec6338144661bf1202cd1

                      SHA1

                      a1dec9044f750ad887935a01430bf49322fbdcb7

                      SHA256

                      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                      SHA512

                      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                    • C:\Users\Admin\AppData\Local\lwblm0rcyp\p.dat

                      Filesize

                      4B

                      MD5

                      786f2d0acade1787dacb21cac85d099c

                      SHA1

                      63ecc933c573dd61f2cd3b173997656856854f4f

                      SHA256

                      277879fdcbcdb1a17cb16fe503e9191a3bf32dc6c0071f33d69e6e31b3dc4f53

                      SHA512

                      7c5237425ee7f0684159913111d1487cfed6de2121b25db5896b02d04c8814d6dfbc42342b6e4c28e7458deef5c3c4ebb7105088dcee624f7a622bad58a2dfdb

                    • memory/1908-0-0x000007FEF4FD3000-0x000007FEF4FD4000-memory.dmp

                      Filesize

                      4KB

                    • memory/1908-1-0x0000000000AE0000-0x0000000000B14000-memory.dmp

                      Filesize

                      208KB

                    • memory/1908-2-0x000007FEF4FD0000-0x000007FEF59BC000-memory.dmp

                      Filesize

                      9.9MB

                    • memory/1908-5-0x000007FEF4FD0000-0x000007FEF59BC000-memory.dmp

                      Filesize

                      9.9MB

                    • memory/2928-9-0x0000000000930000-0x0000000000964000-memory.dmp

                      Filesize

                      208KB