Analysis

  • max time kernel
    128s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2022 08:55

General

  • Target

    Maltoolkit4.2.exe

  • Size

    1.6MB

  • MD5

    0698e624f5b9bea4d0fca1faf6acebf7

  • SHA1

    a83502689b9ed0964c38e04d0a23cbce4fa32aae

  • SHA256

    8aedcfe6c91dfdee8877fbbedf83a6ba0d02bdf0a11f1a6a35e0dea143bf5680

  • SHA512

    f84586b368be8952c0a7d1c5d1b587b4510ae3dc384c4464de4b64212691ac101280080ae934b5f7af07a69853e5d4c192270b21382b94cc838c093b85e79f7a

  • SSDEEP

    49152:FURvXSAkgIwxb+NU5+R2pH+T2J4hfF1D2:FURvSpgrCR2gyJ4hf

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Maltoolkit4.2.exe
    "C:\Users\Admin\AppData\Local\Temp\Maltoolkit4.2.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\iexpress.exe
      "C:\Windows\system32\iexpress.exe" /N C:\Users\Admin\optionfile.SED
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\makecab.exe
        C:\Windows\SysWOW64\makecab.exe /f "C:\Users\Admin\AppData\Local\Temp\\~GdiTool739.DDF"
        3⤵
          PID:704
      • C:\Windows\SysWOW64\iexpress.exe
        "C:\Windows\system32\iexpress.exe" /N C:\Users\Admin\optionfile.SED
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Windows\SysWOW64\makecab.exe
          C:\Windows\SysWOW64\makecab.exe /f "C:\Users\Admin\AppData\Local\Temp\\~GdiTool2259.DDF"
          3⤵
            PID:1944
        • C:\Users\Admin\AppData\Local\Temp\Maltoolkit4.2.exe
          "C:\Users\Admin\AppData\Local\Temp\Maltoolkit4.2.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:876
          • C:\Windows\SysWOW64\iexpress.exe
            "C:\Windows\system32\iexpress.exe" /N C:\Users\Admin\optionfile.SED
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2024
            • C:\Windows\SysWOW64\makecab.exe
              C:\Windows\SysWOW64\makecab.exe /f "C:\Users\Admin\AppData\Local\Temp\\~GdiTool2020.DDF"
              4⤵
                PID:1252
            • C:\Windows\SysWOW64\iexpress.exe
              "C:\Windows\system32\iexpress.exe" /N C:\Users\Admin\optionfile.SED
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1352
              • C:\Windows\SysWOW64\makecab.exe
                C:\Windows\SysWOW64\makecab.exe /f "C:\Users\Admin\AppData\Local\Temp\\~GdiTool3500.DDF"
                4⤵
                  PID:1208
          • C:\Windows\system32\verclsid.exe
            "C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
            1⤵
              PID:1536
            • C:\Windows\system32\AUDIODG.EXE
              C:\Windows\system32\AUDIODG.EXE 0x548
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:572
            • C:\Users\Admin\AppData\Local\Temp\ose00000.exe
              "C:\Users\Admin\AppData\Local\Temp\ose00000.exe"
              1⤵
                PID:1028

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                60KB

                MD5

                d15aaa7c9be910a9898260767e2490e1

                SHA1

                2090c53f8d9fc3fbdbafd3a1e4dc25520eb74388

                SHA256

                f8ebaaf487cba0c81a17c8cd680bdd2dd8e90d2114ecc54844cffc0cc647848e

                SHA512

                7e1c1a683914b961b5cc2fe5e4ae288b60bab43bfaa21ce4972772aa0589615c19f57e672e1d93e50a7ed7b76fbd2f1b421089dcaed277120b93f8e91b18af94

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

                Filesize

                342B

                MD5

                de0af6da45f3728898d9c51b749f2088

                SHA1

                b91200dd8496237ecf54d301b02aba17d9ca94c9

                SHA256

                82eaa58e8351baa6d7449acfc8fbea2aa916dd5bf6feaa427e4c481849ad127a

                SHA512

                8ef460a073fbd29c2dcf8785f65e24a70b4ba12d5017671b72cb1cbc0bd8f8b2ad3de2b1189633e7397452908b670877599b690368cc2891a8a3336510eb940d

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2020.CAB

                Filesize

                1.3MB

                MD5

                43e8cd17eb1aca86a74cfd49f8ead0b5

                SHA1

                af4ca3318a4d0ff28b34018454fff12d7f3353e0

                SHA256

                c2096c86e26928c0830a630f4c0fa7280ab818c8736e431d8abfb0b6284a2fb0

                SHA512

                25d605453602f4984855bf21e73fd69744ba27236009fe7e0c93a9f6076d6d618eb95742b606ae386ad6064c6caad8e5f3a5489f8a2a16ed479fd9b188709da8

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2020.DDF

                Filesize

                853B

                MD5

                415f7942217cc976a3a6ebb4015e8a82

                SHA1

                7fd81bcbcad0bec3d4640c53d9d8cad2558d8772

                SHA256

                b041245088de36200208085283b4f3d9cdadabf5038d39e2caaf3180957529f5

                SHA512

                cd4d79a05b6321da88daa4799736f112e8a4b7fdfd45b9090571d9257816642d85d4e5117d9a67de0046e72c246c1a9ceca0f5be09cda137f8e22fe6595dbdd1

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2020.RPT

                Filesize

                283B

                MD5

                fc832ec787aa24ec4f62b4a274e4f88b

                SHA1

                10943278c4883c60f334858389ae4daa6a75f314

                SHA256

                637863916baa753c0194b3b3fb976a818783aa67db341505f90c9b28cf2d4b11

                SHA512

                57d5de6d4da4844223bd9132e5fcb4e87771ba070660c3685c74c58557438132ae4211818f5e9b9023b9d253748d646dd78e3438db4a5c3eef87e12e91957baf

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2020_LAYOUT.INF

                Filesize

                1020B

                MD5

                902efe2d12a6fbbc5095b55a49a00dbb

                SHA1

                63e30f98707303d3586b2ec21fe6c7c92d182105

                SHA256

                9ec50606b0abf9494b107a8cd90e498b1de5e00ec8771e80deceb730818a91c1

                SHA512

                0c3d02c9a6e43761313e4625fdb9cf4ba7f31a8ec7f1a5fc28584ec3bc4ffe68913182e81c2514eeb10bc889db985d67129533d62d2234975267abf9595f73f4

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2259.CAB

                Filesize

                1.3MB

                MD5

                43e8cd17eb1aca86a74cfd49f8ead0b5

                SHA1

                af4ca3318a4d0ff28b34018454fff12d7f3353e0

                SHA256

                c2096c86e26928c0830a630f4c0fa7280ab818c8736e431d8abfb0b6284a2fb0

                SHA512

                25d605453602f4984855bf21e73fd69744ba27236009fe7e0c93a9f6076d6d618eb95742b606ae386ad6064c6caad8e5f3a5489f8a2a16ed479fd9b188709da8

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2259.DDF

                Filesize

                853B

                MD5

                10476b297f74ad86c49eb928a7c0d2f6

                SHA1

                1c271c98f09ace827dee9223a06d8b3eb747e545

                SHA256

                7a930beeec63d08f6288d1346c274b4ae47b2cbd39e305c9d5d1a6cf4ee8d3f7

                SHA512

                cf2abbae18e76bb7e7d0f4ed7f12e35328dfb71f77203c8652395dcd97cc630c48109919a0b13963c3cc5487ed778961a659234056fdb4b98927c6ad18538d1c

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2259.RPT

                Filesize

                283B

                MD5

                354b55f31ae3b1be6aaacad716f684c4

                SHA1

                021fe409b7561c2bf929d8f3b01f5eca58833742

                SHA256

                b962cf356f759f77401416cd17784bd293c3b4f3eff097eb59fb326105c1ef15

                SHA512

                8c1f3377cf2198273ccba38de3d3e70d89e1a105f41b5c6782011240f1e751939f910c725bc8d678bbcf0a1b4367ba5555dd50d72c9dafc91483ce3c88c74260

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool2259_LAYOUT.INF

                Filesize

                1020B

                MD5

                b69bea2b4e3c6d950bef9c703227025c

                SHA1

                ea830937498ac3f188f6a1df1f3d098bfb1774ae

                SHA256

                23b16bca31e49071144f43cc155366a248e152314e9dd89110a875eb010b9b11

                SHA512

                85fa948b1cc209108694384c18581fc0f7005762921118260596909d990081da2ca8035235c9fd4a9ecdd2b267686aa90c566879d0251516e110de15c54092c7

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool3500.CAB

                Filesize

                1.3MB

                MD5

                43e8cd17eb1aca86a74cfd49f8ead0b5

                SHA1

                af4ca3318a4d0ff28b34018454fff12d7f3353e0

                SHA256

                c2096c86e26928c0830a630f4c0fa7280ab818c8736e431d8abfb0b6284a2fb0

                SHA512

                25d605453602f4984855bf21e73fd69744ba27236009fe7e0c93a9f6076d6d618eb95742b606ae386ad6064c6caad8e5f3a5489f8a2a16ed479fd9b188709da8

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool3500.DDF

                Filesize

                853B

                MD5

                633f1145e8336f2bf2c59b4061253417

                SHA1

                2035624a1f6180ea97831a1f571ba1f5b66daece

                SHA256

                09ad80960111b9f9828cc174b2c4fba232220b31e6c445bcfa6c89840c2269d0

                SHA512

                39db3a8249e05275c5699e91260fa3f0b200d30a28c1d0c5fda8ffdd4b0b81d9779e30ab5dea9ec829dcad12db1b00010f3af6e738e8a86b7b64964c33baf6f8

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool3500.RPT

                Filesize

                283B

                MD5

                73bb42371e28f7cbffe033d03df2eb71

                SHA1

                91204136927e8ac6a2a6dac8e47df55db8a02aa4

                SHA256

                686c226692099d5024e311e390748fa3603122dbfbaf208d424d8d9ac93a4feb

                SHA512

                69bfba2bf4bb014d4c45bb185835017462781903f30de6e2961f677b98a99c106f77b4f0cfc10594071b93a4c9962f419bf44b7cffc80c58a55d654e3aa22d5b

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool3500_LAYOUT.INF

                Filesize

                1020B

                MD5

                d277222a70d7ae390a4c2c872bdcc675

                SHA1

                7c3d9b3ab08930c32337b27498894b332adacccf

                SHA256

                0a1e6d60ffc87da985e850fac7389e497cb7b2e50438ec81d585ec171d6c27d1

                SHA512

                cbe269e54c61c49f5c17d440a1c82cc24e900afb75a0095a09e66c047815a091d799888db4fa441365ea0cea751be388399a90bfc8390fbc0fd6450d9c106dcc

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool739.CAB

                Filesize

                1.3MB

                MD5

                43e8cd17eb1aca86a74cfd49f8ead0b5

                SHA1

                af4ca3318a4d0ff28b34018454fff12d7f3353e0

                SHA256

                c2096c86e26928c0830a630f4c0fa7280ab818c8736e431d8abfb0b6284a2fb0

                SHA512

                25d605453602f4984855bf21e73fd69744ba27236009fe7e0c93a9f6076d6d618eb95742b606ae386ad6064c6caad8e5f3a5489f8a2a16ed479fd9b188709da8

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool739.DDF

                Filesize

                850B

                MD5

                299a35a4c844a22eedd506cfd6aa2e97

                SHA1

                c150e15f1345e189c0a2cb20c46799d84c5b6a88

                SHA256

                7a1563f46365f955995391a3cb23003daac2e9ddfd437eb752eb3fc2a1fc4cf0

                SHA512

                d052e07857d90244a782178616ab851132748aa3a46452c9c84350cb5a7cc2a0b66ee00ca4fb8078be2d1c0c6c9ba59e54087c3310fbb631bd81061f938a4dd0

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool739.RPT

                Filesize

                283B

                MD5

                0fc980beefb161effbcbd19dd15e135c

                SHA1

                3c9d811bab3e953c4c34595cedb8db05bf117b5f

                SHA256

                0e90a59d3b663504937923fd1e7b5b276ae09f6c1a0475553235876c7c0a94fc

                SHA512

                477b156b1130eaa3c851af5a1960cd3897e716a656eb436e7d7189554893d41a6e9f64fb3beffca19eda5fc99bab6f2c3853f92dcf98895d7f9b4fe0fc83e0d0

              • C:\Users\Admin\AppData\Local\Temp\~GdiTool739_LAYOUT.INF

                Filesize

                1019B

                MD5

                67fd706f4119e0c022b415a8d1981c73

                SHA1

                b769f8922c5e394a220391d11463a487d07bc03e

                SHA256

                6c2a867ad62e444a60006f5160feb3eee61daa169963069087021088b6c00a77

                SHA512

                aea9593e5239d60de28a959dfa2ddc5a2b658ebc9d1a79d1dcb9f98f4bf8b31cb208250dfac32f88d50741eb595f1db89bd0c84724bac0d8f37f1ee8625fc947

              • C:\Users\Admin\optionfile.SED

                Filesize

                853B

                MD5

                39fca4bb10a57c7ad6ef92d74aa7eab2

                SHA1

                5bf8cbf0230144a446999194dc2ff6bc1114bded

                SHA256

                c202d1cd611ce508e676db14c6b5dc9c945707426b05d2e9d2204446e4f1157c

                SHA512

                41e36202e1d0dac95d65678f533f77ae25426b16e96d19879f5fdfcde110b5a1876fc8badc82d19f2d08b9e6491670f8ee3c46a8c40a2e597687e4cadcb7d103

              • C:\Users\Admin\optionfile.SED

                Filesize

                854B

                MD5

                ed5247786234b29f62ed0d384bb34e58

                SHA1

                ef05427a2a89f81dd0dfa3e0d1e40b3321b9b3e8

                SHA256

                5a539d48d601b369dda1d7191167ba13bd8549ce0ad1517864856e3612b1544c

                SHA512

                a107fdb10842a7cd7f3e8ea2ce25024de5762dcf81d54150b10d3e41d2f060a74ef8d9e9c7853eed71d4b2fad48b0ba41578fdd240c1a765d7379603d41078ac

              • C:\Users\Admin\optionfile.SED

                Filesize

                822B

                MD5

                6591c10d9eee7880926e542ef1869525

                SHA1

                c553afb57851d8ac3c63750368f9085209920ad4

                SHA256

                ebc6892aaa69bcd60fe5f081f3b6cbc9dc154d90f05ff6bed723e764c564f418

                SHA512

                c8e1d278c29cd28fd7f3e194da0566d275ef853f119687705ad1d7c3f9589c312b61029c3db83bbd62e2cb4bf03ddedadcd728014f456af39e2f8a7c9fda3fbb

              • C:\Users\Admin\optionfile.SED

                Filesize

                822B

                MD5

                2dd65492aceb17b11b849036856c56af

                SHA1

                2a159ba035def37d783014550e84361903e88777

                SHA256

                b5cb265b32bcaef1349a297c2b26e5cf4050e8a8f7e21e608c9edfbc1f6257d7

                SHA512

                7c9fd616de5d6351be7ad043d63801105bd24cd5f118f35b2ac11f30e98abac403c93bdf270e6fbe6b83bb1a29993ea58213cdb76583c9bf0b179830a636b76f

              • memory/876-80-0x0000000004CC5000-0x0000000004CD6000-memory.dmp

                Filesize

                68KB

              • memory/876-83-0x0000000004CC5000-0x0000000004CD6000-memory.dmp

                Filesize

                68KB

              • memory/1536-100-0x000007FEFB5C1000-0x000007FEFB5C3000-memory.dmp

                Filesize

                8KB

              • memory/1824-57-0x0000000075571000-0x0000000075573000-memory.dmp

                Filesize

                8KB

              • memory/1824-55-0x0000000004FA0000-0x00000000051EE000-memory.dmp

                Filesize

                2.3MB

              • memory/1824-56-0x00000000004F0000-0x000000000051C000-memory.dmp

                Filesize

                176KB

              • memory/1824-78-0x0000000004B75000-0x0000000004B86000-memory.dmp

                Filesize

                68KB

              • memory/1824-60-0x0000000004B75000-0x0000000004B86000-memory.dmp

                Filesize

                68KB

              • memory/1824-59-0x0000000004B75000-0x0000000004B86000-memory.dmp

                Filesize

                68KB

              • memory/1824-54-0x00000000000C0000-0x0000000000254000-memory.dmp

                Filesize

                1.6MB

              • memory/1824-58-0x00000000072E0000-0x000000000738A000-memory.dmp

                Filesize

                680KB