Analysis

  • max time kernel
    48s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 09:25

General

  • Target

    9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175.exe

  • Size

    4.4MB

  • MD5

    7aaacc5834a1b0d4b3d481df06b0aad0

  • SHA1

    cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

  • SHA256

    9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

  • SHA512

    9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

  • SSDEEP

    98304:1bkO1wmyi7s7B7MEYuU/coXBv/Z9S5CBU5QlPyRBRsvojcKoZ2r:1b1FQi5uU/coXFR9S5CBU4PABRsAnr

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops Chrome extension 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175.exe
    "C:\Users\Admin\AppData\Local\Temp\9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:696
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\gdiview.msi"
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1992
    • C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
      C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe 0011 user01
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        3⤵
          PID:276
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          3⤵
            PID:1708
          • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
            C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe ThunderFW "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:1752
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe"
            3⤵
              PID:2024
              • C:\Windows\SysWOW64\PING.EXE
                ping 127.0.0.1 -n 3
                4⤵
                • Runs ping.exe
                PID:1088
          • C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe 200 user01
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops Chrome extension
            • Writes to the Master Boot Record (MBR)
            • Suspicious use of WriteProcessMemory
            PID:1516
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c taskkill /f /im chrome.exe
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1988
              • C:\Windows\SysWOW64\taskkill.exe
                taskkill /f /im chrome.exe
                4⤵
                • Kills process with taskkill
                PID:1964
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe"
              3⤵
                PID:1760
                • C:\Windows\SysWOW64\PING.EXE
                  ping 127.0.0.1 -n 3
                  4⤵
                  • Runs ping.exe
                  PID:1724
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175.exe"
              2⤵
              • Deletes itself
              • Suspicious use of WriteProcessMemory
              PID:1344
              • C:\Windows\SysWOW64\PING.EXE
                ping 127.0.0.1 -n 3
                3⤵
                • Runs ping.exe
                PID:1900
          • C:\Windows\system32\msiexec.exe
            C:\Windows\system32\msiexec.exe /V
            1⤵
            • Enumerates connected drives
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1660
            • C:\Windows\syswow64\MsiExec.exe
              C:\Windows\syswow64\MsiExec.exe -Embedding E9D7F8D0C4C9DCEE0EC134818727AE52 C
              2⤵
              • Loads dropped DLL
              PID:844

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Bootkit

          1
          T1067

          Defense Evasion

          Install Root Certificate

          1
          T1130

          Modify Registry

          1
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          System Information Discovery

          1
          T1082

          Remote System Discovery

          1
          T1018

          Collection

          Data from Local System

          1
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • C:\Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • C:\Users\Admin\AppData\Local\Temp\MSI27FB.tmp
            Filesize

            6KB

            MD5

            84878b1a26f8544bda4e069320ad8e7d

            SHA1

            51c6ee244f5f2fa35b563bffb91e37da848a759c

            SHA256

            809aab5eace34dfbfb2b3d45462d42b34fcb95b415201d0d625414b56e437444

            SHA512

            4742b84826961f590e0a2d6cc85a60b59ca4d300c58be5d0c33eb2315cefaf5627ae5ed908233ad51e188ce53ca861cf5cf8c1aa2620dc2667f83f98e627b549

          • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
            Filesize

            71KB

            MD5

            f0372ff8a6148498b19e04203dbb9e69

            SHA1

            27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

            SHA256

            298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

            SHA512

            65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

          • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
            Filesize

            71KB

            MD5

            f0372ff8a6148498b19e04203dbb9e69

            SHA1

            27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

            SHA256

            298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

            SHA512

            65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

          • C:\Users\Admin\AppData\Local\Temp\gdiview.msi
            Filesize

            231KB

            MD5

            7cc103f6fd70c6f3a2d2b9fca0438182

            SHA1

            699bd8924a27516b405ea9a686604b53b4e23372

            SHA256

            dbd9f2128f0b92b21ef99a1d7a0f93f14ebe475dba436d8b1562677821b918a1

            SHA512

            92ec9590e32a0cf810fc5d15ca9d855c86e5b8cb17cf45dd68bcb972bd78692436535adf9f510259d604e0a8ba2e25c6d2616df242261eb7b09a0ca5c6c2c128

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\018C8E14C953FFA4.exe
            Filesize

            4.4MB

            MD5

            7aaacc5834a1b0d4b3d481df06b0aad0

            SHA1

            cd2db92fcdf5ddd46cb8e58f27f2c8222c0f510b

            SHA256

            9a25741d25ecd7174b7235f5fc3b76ea2f8a27cc2ddf0ddf6d51b0d07470b175

            SHA512

            9264334331b439a820180e0f4d5e8edb3c1eb341cfd15b3e879490c546ba2bdade51e064f85b8532b7799533a512b04244d95d7cb07ad990431bba4e6eca53ac

          • \Users\Admin\AppData\Local\Temp\MSI27FB.tmp
            Filesize

            6KB

            MD5

            84878b1a26f8544bda4e069320ad8e7d

            SHA1

            51c6ee244f5f2fa35b563bffb91e37da848a759c

            SHA256

            809aab5eace34dfbfb2b3d45462d42b34fcb95b415201d0d625414b56e437444

            SHA512

            4742b84826961f590e0a2d6cc85a60b59ca4d300c58be5d0c33eb2315cefaf5627ae5ed908233ad51e188ce53ca861cf5cf8c1aa2620dc2667f83f98e627b549

          • \Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
            Filesize

            71KB

            MD5

            f0372ff8a6148498b19e04203dbb9e69

            SHA1

            27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

            SHA256

            298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

            SHA512

            65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

          • \Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
            Filesize

            71KB

            MD5

            f0372ff8a6148498b19e04203dbb9e69

            SHA1

            27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

            SHA256

            298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

            SHA512

            65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

          • \Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
            Filesize

            71KB

            MD5

            f0372ff8a6148498b19e04203dbb9e69

            SHA1

            27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

            SHA256

            298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

            SHA512

            65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

          • memory/696-60-0x0000000000540000-0x0000000000676000-memory.dmp
            Filesize

            1.2MB

          • memory/696-80-0x0000000002BD0000-0x0000000002D06000-memory.dmp
            Filesize

            1.2MB

          • memory/696-54-0x00000000764D1000-0x00000000764D3000-memory.dmp
            Filesize

            8KB

          • memory/696-61-0x0000000000540000-0x0000000000676000-memory.dmp
            Filesize

            1.2MB

          • memory/696-56-0x0000000010000000-0x000000001033C000-memory.dmp
            Filesize

            3.2MB

          • memory/696-55-0x0000000000400000-0x0000000000536000-memory.dmp
            Filesize

            1.2MB

          • memory/844-98-0x0000000000000000-mapping.dmp
          • memory/1088-127-0x0000000000000000-mapping.dmp
          • memory/1344-81-0x0000000000000000-mapping.dmp
          • memory/1384-82-0x0000000000400000-0x0000000000536000-memory.dmp
            Filesize

            1.2MB

          • memory/1384-103-0x0000000003560000-0x0000000003A0F000-memory.dmp
            Filesize

            4.7MB

          • memory/1384-66-0x0000000000000000-mapping.dmp
          • memory/1384-85-0x0000000000540000-0x0000000000676000-memory.dmp
            Filesize

            1.2MB

          • memory/1516-69-0x0000000000000000-mapping.dmp
          • memory/1516-102-0x00000000035B0000-0x0000000003A5F000-memory.dmp
            Filesize

            4.7MB

          • memory/1516-84-0x0000000000A90000-0x0000000000BC6000-memory.dmp
            Filesize

            1.2MB

          • memory/1516-83-0x0000000000A90000-0x0000000000BC6000-memory.dmp
            Filesize

            1.2MB

          • memory/1660-93-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp
            Filesize

            8KB

          • memory/1724-116-0x0000000000000000-mapping.dmp
          • memory/1752-119-0x0000000000000000-mapping.dmp
          • memory/1760-114-0x0000000000000000-mapping.dmp
          • memory/1900-91-0x0000000000000000-mapping.dmp
          • memory/1964-112-0x0000000000000000-mapping.dmp
          • memory/1988-110-0x0000000000000000-mapping.dmp
          • memory/1992-62-0x0000000000000000-mapping.dmp
          • memory/2024-125-0x0000000000000000-mapping.dmp