Analysis

  • max time kernel
    79s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 03:59

General

  • Target

    b0230adfe82c49b5dfe24e5f7f1d60446d2a195aa33c4dfbfbfadc85b5e80a68.exe

  • Size

    186KB

  • MD5

    5b1bf85bff151648346fa5b17f443027

  • SHA1

    963988329d62e4f851b8022f89f690ac56455fca

  • SHA256

    b0230adfe82c49b5dfe24e5f7f1d60446d2a195aa33c4dfbfbfadc85b5e80a68

  • SHA512

    e6b164aa82b814f9457c7d004ebb7c6ca0149b323ba109c0c96b87315371710ef816c5d31769c3257f2f1fe58a583ee4d1682a58444867b91af330626a5c7ca9

  • SSDEEP

    3072:qX7DItrfaocyTgfsqQOlJT1C7Pore1JZmByfjfJgqjb21bDJOQDCp8ntV:qsaocyLCTg7ArEZmQfb+qjb21bDkQG+n

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0230adfe82c49b5dfe24e5f7f1d60446d2a195aa33c4dfbfbfadc85b5e80a68.exe
    "C:\Users\Admin\AppData\Local\Temp\b0230adfe82c49b5dfe24e5f7f1d60446d2a195aa33c4dfbfbfadc85b5e80a68.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\inst.exe
      C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\inst.exe 50d1d9d5-cf90-407c-820a-35e05bc06f2f.exe /dT131601038S /e5367101 /t /u50d1d9d5-cf90-407c-820a-35e05bc06f2f
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\50d1d9d5-cf90-407c-820a-35e05bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\50d1d9d5-cf90-407c-820a-35e05bc06f2f.exe" /dT131601038S /e5367101 /t /u50d1d9d5-cf90-407c-820a-35e05bc06f2f
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1680

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1F39B5CFACECFDE48DB25BCA2231FAC6_F0E2901B5CB9DFCB03318B8D06C40A30

          Filesize

          1KB

          MD5

          6634347710cc30558f5e13dd4ebc9aa0

          SHA1

          fc77fd9fcf64a5fe08a862f311ab45e20a714600

          SHA256

          7e4910b2281ac98229547b71c50c71545f5dff241346f3ccc95d5364412f496a

          SHA512

          260f233db37445ab2a669868b663dcebdedf01b3b998bb69b82f73188cc9266d3459d517978136b2a0d0f9a6db9a64566f71c43ff6c5aceaeb29c7b5ca6ac5a6

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EDCF682921FE94F4A02A43CD1A28E6B

          Filesize

          604B

          MD5

          e7ed9b0571e14a4824cebee137d9bcd1

          SHA1

          59d9a27a741aee4bfc0605a287a88782cdafe6ff

          SHA256

          62f9b298a1f9e62f29c486f9cd2731a28302b9215656fd8b1c7c0071071b25ad

          SHA512

          6f6f379a5fbce3afbfb29b159bfe784ecf4b42672c5bc441e89383c54ccd210766388526748c48f9889cfdd5e126054a8d67971d69c46f37bb117e515ad9d400

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

          Filesize

          61KB

          MD5

          fc4666cbca561e864e7fdf883a9e6661

          SHA1

          2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

          SHA256

          10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

          SHA512

          c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

          Filesize

          5B

          MD5

          5bfa51f3a417b98e7443eca90fc94703

          SHA1

          8c015d80b8a23f780bdd215dc842b0f5551f63bd

          SHA256

          bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

          SHA512

          4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1F39B5CFACECFDE48DB25BCA2231FAC6_F0E2901B5CB9DFCB03318B8D06C40A30

          Filesize

          412B

          MD5

          418cdde0ebd49b14855cb0f4812a42b9

          SHA1

          109d4a91b348673f716be24fb2ffc8e8d4f95501

          SHA256

          292e16cb374ca0151dc81fdc2de77778f971cb70175c65464869e59e6fad62ab

          SHA512

          eccb79aaa501902600b6e213d914d0348e32fc8e91f96b809bbbb708f861edb9034081191958c224e6e900aa374e3433bfa396e75cb7b934fc355302a0d45066

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EDCF682921FE94F4A02A43CD1A28E6B

          Filesize

          188B

          MD5

          04b0544dfa10afbb560dc4ee3e5ac3da

          SHA1

          c421e4e3d4077109580d15530fa49cd47121e8e1

          SHA256

          ace2d580e8daf674a1ba3795a916cf0efa597e3270ae4588e225ef5970cb9b73

          SHA512

          17a5f21bf9b0c9e357428aaa648a4a6c9b957cf435dd55334d324e6bd49a77db115c2ad561901c054297ff85fbb62eb596420f6ef759f091a654646c72debd62

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

          Filesize

          342B

          MD5

          fd41e2d93b2e72334c690cab6ff0a34d

          SHA1

          3b7ed354089097159276f2025a5f059bd8851670

          SHA256

          57192c96f7928c85ff28b8f97fa98c4b5991c4073a5a16310eeb17de77348f27

          SHA512

          8f5d5aee6c518e0a175ed1d47d46e3a23c00fb9cbecb927cc490744aaaa55719d798222f4808f8cf46adaeba83e4e01ff91e0ce94babe8112ce0cb736e6b05d0

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

          Filesize

          404B

          MD5

          e8a30b1c6045fc5a5d0bd4b96cbebc7d

          SHA1

          4d536d35dcf6f9191e5758aa31d1e95c37776fe7

          SHA256

          e60963d5d591faeac30bfa02333d624ce6a309696be8f430b4fbefd1ebbd57ca

          SHA512

          efd4df4a5e0f46689f584d57340e5eedd4da3937c274bea7a67b53c752b1eb4dc6548a080a038f58af1c5f68aa1757a53d6d26a8a3e49dfae2dc7c83459191c6

        • C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\50d1d9d5-cf90-407c-820a-35e05bc06f2f.exe

          Filesize

          161KB

          MD5

          fea751116d26cdd3b5976bb20e746615

          SHA1

          cc451d9d4594c76717b69df84b14f4fce512503a

          SHA256

          ffcda5ceafb9d740ffb811bf221f1780c87a1ce6b1b2a5b4ba96905c1c9a8170

          SHA512

          9e09872223247f1849c98a1c7649ef68fa4eaac7f0c64484259b28df39ee09a941762c114824fbf09dd2dd3a1b4a569d5b09fd1d01b0f366b1c41a3e485ac081

        • C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\50d1d9d5-cf90-407c-820a-35e05bc06f2f.exe

          Filesize

          161KB

          MD5

          fea751116d26cdd3b5976bb20e746615

          SHA1

          cc451d9d4594c76717b69df84b14f4fce512503a

          SHA256

          ffcda5ceafb9d740ffb811bf221f1780c87a1ce6b1b2a5b4ba96905c1c9a8170

          SHA512

          9e09872223247f1849c98a1c7649ef68fa4eaac7f0c64484259b28df39ee09a941762c114824fbf09dd2dd3a1b4a569d5b09fd1d01b0f366b1c41a3e485ac081

        • C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\inst.exe

          Filesize

          144KB

          MD5

          6c13897aac76495646cb21a0f3026459

          SHA1

          3b852f19dfe1efc220356abce7b99a491cc44e3a

          SHA256

          174d6c4705673cfbd506f0cb916a766dd4e1a45f3ba1b124d4cda16fcd66582c

          SHA512

          93ca87000dc1ec560f153da999f7489b3a856ded0653e981667bc5a2af7f4f4a886a3f982c6e2db05351668bf8fc20f80d8a27591e49f4d9bc20a11a260d8051

        • C:\Users\Admin\AppData\Local\Temp\nsj36BD.tmp\inst.exe

          Filesize

          144KB

          MD5

          6c13897aac76495646cb21a0f3026459

          SHA1

          3b852f19dfe1efc220356abce7b99a491cc44e3a

          SHA256

          174d6c4705673cfbd506f0cb916a766dd4e1a45f3ba1b124d4cda16fcd66582c

          SHA512

          93ca87000dc1ec560f153da999f7489b3a856ded0653e981667bc5a2af7f4f4a886a3f982c6e2db05351668bf8fc20f80d8a27591e49f4d9bc20a11a260d8051

        • \Users\Admin\AppData\Local\Temp\nsj36BD.tmp\inst.exe

          Filesize

          144KB

          MD5

          6c13897aac76495646cb21a0f3026459

          SHA1

          3b852f19dfe1efc220356abce7b99a491cc44e3a

          SHA256

          174d6c4705673cfbd506f0cb916a766dd4e1a45f3ba1b124d4cda16fcd66582c

          SHA512

          93ca87000dc1ec560f153da999f7489b3a856ded0653e981667bc5a2af7f4f4a886a3f982c6e2db05351668bf8fc20f80d8a27591e49f4d9bc20a11a260d8051

        • \Users\Admin\AppData\Local\Temp\nsj36BD.tmp\inst.exe

          Filesize

          144KB

          MD5

          6c13897aac76495646cb21a0f3026459

          SHA1

          3b852f19dfe1efc220356abce7b99a491cc44e3a

          SHA256

          174d6c4705673cfbd506f0cb916a766dd4e1a45f3ba1b124d4cda16fcd66582c

          SHA512

          93ca87000dc1ec560f153da999f7489b3a856ded0653e981667bc5a2af7f4f4a886a3f982c6e2db05351668bf8fc20f80d8a27591e49f4d9bc20a11a260d8051

        • \Users\Admin\AppData\Local\Temp\nsj36BD.tmp\nsExec.dll

          Filesize

          8KB

          MD5

          249ae678f0dac4c625c6de6aca53823a

          SHA1

          6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

          SHA256

          7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

          SHA512

          66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

        • memory/904-62-0x000007FEFBD11000-0x000007FEFBD13000-memory.dmp

          Filesize

          8KB

        • memory/904-61-0x000007FEF39B0000-0x000007FEF43D3000-memory.dmp

          Filesize

          10.1MB

        • memory/904-66-0x0000000001FC6000-0x0000000001FE5000-memory.dmp

          Filesize

          124KB

        • memory/904-63-0x0000000001FC6000-0x0000000001FE5000-memory.dmp

          Filesize

          124KB

        • memory/948-54-0x0000000075351000-0x0000000075353000-memory.dmp

          Filesize

          8KB

        • memory/1680-77-0x00000000742F0000-0x000000007489B000-memory.dmp

          Filesize

          5.7MB

        • memory/1680-78-0x00000000742F0000-0x000000007489B000-memory.dmp

          Filesize

          5.7MB

        • memory/1680-79-0x00000000005C9000-0x00000000005DA000-memory.dmp

          Filesize

          68KB

        • memory/1680-80-0x00000000742F0000-0x000000007489B000-memory.dmp

          Filesize

          5.7MB