Resubmissions

01-12-2022 15:34

221201-szv76acd49 8

25-11-2022 00:06

221125-adzdksgh95 8

Analysis

  • max time kernel
    124s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 15:34

General

  • Target

    86d594a91959281820b87bf1ecae58fe3822977ebaba3500184c57e2f6eb585c.exe

  • Size

    1018KB

  • MD5

    276581677edbb8f7e55159c55c290287

  • SHA1

    dc026b7197f21ad74efb6a041542d47a96153967

  • SHA256

    86d594a91959281820b87bf1ecae58fe3822977ebaba3500184c57e2f6eb585c

  • SHA512

    6bead85b683648176235921a62afa50b08b69a92ce36da36de302297d5110c48c5d591d018b25e881fee80809232359e76cb1fd7aed0941b973dbbfc31146966

  • SSDEEP

    24576:hYHs/v206iB2Fj+NP8S6uwnUYlkHwb5jPHOIA/jGic4XgVhkW:h0s36iBej+uS6W7Hwb5j/OIujGfm8hkW

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 20 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 18 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86d594a91959281820b87bf1ecae58fe3822977ebaba3500184c57e2f6eb585c.exe
    "C:\Users\Admin\AppData\Local\Temp\86d594a91959281820b87bf1ecae58fe3822977ebaba3500184c57e2f6eb585c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Tdryuqayh.tmp",Worhdhqfpryr
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 20156
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:1644
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
        3⤵
          PID:816
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k LocalService
      1⤵
        PID:2036
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "c:\program files (x86)\microsoft sync framework\v1.0\setup.dll",Wk0NY2xv
          2⤵
            PID:1716

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\GRINTL32.DLL.trx_dll

          Filesize

          47KB

          MD5

          2570ca00b5faa65fae39c437bae911cd

          SHA1

          f1745ae3533893055468fa6baac11a85f16b5913

          SHA256

          9e0c0916a58a4be41d21c29e0d94e74388483c39cd01dcc77f4f08283aab5b41

          SHA512

          6bc8ac23d2518f293144f53d325125b5ce2dbee13ee560d9d2950f9046507b4e9a6f24d03a6f7a4507012b5ce6162aa47e0805442343a9aa4ab2c5326f1862d8

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\Help_CValidator.H1D

          Filesize

          11KB

          MD5

          02ecb08e05bbd6fc17c3a5dcf53957ce

          SHA1

          6ed9a6936071eb90ece53f4eded8d5544704306e

          SHA256

          e088a33f93b425b768ae3a6341d99ecdb118329a00d7e04f92c673b91c5ace89

          SHA512

          fdfc65878a4271b1bab12dd290a975be0b207d880afe2543ffe42c1873c3175f2256e64cf7a239a921dd46e14b91b96d7fbe62be96b836f0c61044f4e4236c53

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\Help_MTOC_help.H1H

          Filesize

          352KB

          MD5

          3bf3a9d481e2db341ab5ff88dd4e28ac

          SHA1

          fb11a2bbd5ed782db602d4d09e2f7b59029d6258

          SHA256

          b8b9de8480d33b9a8485538ddab950da813c10b8d572d46b1fca1caa623f8117

          SHA512

          710765ab4d95e0d6b4955d2d179312525786ccb06fefc98e42b2cbab04b660e1af16a55862066a79d7e3ea6231d7e67cb1465b81ea9915b96b3ffbbea4fa7991

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\Help_MValidator.Lck

          Filesize

          4B

          MD5

          b485167c5b0e59d47009a16f90fe2659

          SHA1

          891ebccd5baa32daed16fb5a0825ca7a4464931f

          SHA256

          db44b8db4f05d720ef1a57abadeed0c164d47b17416c7dd7d136d8f10fba91c9

          SHA512

          665e3fcbd83b7876dd1dc7f34fadd8669debdfab8962bdce3b72b08139a75ef157c4f4c3b90ea9c1f20637bb4f2a29091d9186987d22c7d23428a2e7ccf80bd4

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\Isduwyyttes.tmp

          Filesize

          3.5MB

          MD5

          041e5fe3949b69a24a58c94264f6115b

          SHA1

          934cae02da581085f6a7f0d1b96cc85c3d0e6888

          SHA256

          8ec6a43180c4d0d890bc78c77c5f6d1ca747291876dba6bf285acc5aad0471af

          SHA512

          dcb6411738ebfbefaeae2f855a7aff028b3391e51e23e7cff0a5b75f295701ef4d7dae99bbeb9aa5f93fe31dfef58aedc3f1a202821d0e99a8ef412cfbf2c9d3

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\Ringtone 09.wma

          Filesize

          109KB

          MD5

          1dbeb265d62768fac2dae1202518e049

          SHA1

          eb960ae823d686f5c1a03c2f732b6c4757541163

          SHA256

          641e5c951ed0cfb90665b0907fe6a1c0e93883922e5e975914472c64a4a9aad2

          SHA512

          1538a33e670153e3d5d980489b7533eb51416a6430c2fb4668deaa890929ec2a35a75e61722bdb4901400961b5f9df9c9d32fec2c92d1973906f090d3808adfd

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\Snipping Tool.lnk

          Filesize

          1KB

          MD5

          5f8dd2821373ad72040405c7bb1e3c75

          SHA1

          bc5f208002b07e8028a44e5304e93775cf65e4c1

          SHA256

          cf2d509c668cd40578e7e24f5203d4baa2dce591ddc033e770fb4a97922d2caf

          SHA512

          d2b9c0154ba39df551c7c4dbe71dae41fbae0f3b3fad7396033de2917894b98d02e4156c051bd02a51d310144c125d64babe45743982a49be04c0b733e9331d5

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\sync.ico

          Filesize

          48KB

          MD5

          d1c012ba7049a4525a89b26c846ce0d3

          SHA1

          769fccd1ed39b3b6ce1ec6e44f096107b4375c58

          SHA256

          fce3d2b3ca14bbb41fcb8956ef80af38976f4c32787cc1ac3cc1e465ce0453cc

          SHA512

          538b3c161e3192d3cb8b78f0fb5f863ae84d04a9f236a876e5002a90189cb4b5beea496aefb444de2dd9ea45d1f530359b38d6a45f3260d1d14924bd31918dc9

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\usertile22.bmp

          Filesize

          48KB

          MD5

          7f11dc0cd9a1fd3976b832cfacd86a94

          SHA1

          fb48152c39232f0688f9af0726a9aff2a118ef85

          SHA256

          9dde341957aa40a44a8860293780530dcdcb0e6b659ebbec7991c2e1c659ed8b

          SHA512

          d94ac10269f329eba6f4a9c7fa12271cf71f89ee63d12d164a090eeb473c4d98514dac3d62e20c17d53b78eb1841ca88c17c1e91e6f5131779db2d414e01f610

        • C:\ProgramData\{705706C7-39A3-C04C-E09F-DA444D8B6F51}\usertile40.bmp

          Filesize

          48KB

          MD5

          8850c1f63d9932bb2d8e957ed72d8fdf

          SHA1

          44271a436bed981ced2c5f3839733bbaa54dc8e3

          SHA256

          419b5f32629b747ac897aa66acf77ef2320d4f066470d616e21fd248a4a55f29

          SHA512

          8a33601de5ae88e7dc7aac1325514f68c5e8e40fc7514fa1d1542e78fddeb6612b26a04bd109e40efc36efb591f5bef48693a918219b9e56598677cb26e1978f

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

          Filesize

          767KB

          MD5

          d8ca174a8f3f0c225429e1be1cb6d304

          SHA1

          0f2e738b1a35b6072e1d23894468e45fa7dee750

          SHA256

          3d63ad175a34e4c89ea6eca4a1161bb5dd514a5e58302707edc03473eb1f656e

          SHA512

          dbf999a9f0399b3cbf93484f2e665e3beb4de369dacf4678c7b7b3ff06f45c42879c544c2404d85b88fe3aaacf117a1e28ecb68ee7ea2553b736bad03619e527

        • \??\c:\program files (x86)\microsoft sync framework\v1.0\setup.dll

          Filesize

          767KB

          MD5

          6c2923753aa1ff5881dec46cd710d641

          SHA1

          b79f12062fd1e2d7b7c45d5fc4aef52af106aeec

          SHA256

          a881e82bdb934e57cd814279ab50569edd320e828bc3bde9c23b0f6c51fdd31a

          SHA512

          8267d47eb8edb396000f44ca0b5e043f045186dc7df9305c22c3a6bf59d1099fc56c8a92403c00c44be8565d009a90b23faeafb168349f3ec19a831bfa00e484

        • \Program Files (x86)\Microsoft Sync Framework\v1.0\setup.dll

          Filesize

          767KB

          MD5

          6c2923753aa1ff5881dec46cd710d641

          SHA1

          b79f12062fd1e2d7b7c45d5fc4aef52af106aeec

          SHA256

          a881e82bdb934e57cd814279ab50569edd320e828bc3bde9c23b0f6c51fdd31a

          SHA512

          8267d47eb8edb396000f44ca0b5e043f045186dc7df9305c22c3a6bf59d1099fc56c8a92403c00c44be8565d009a90b23faeafb168349f3ec19a831bfa00e484

        • \Program Files (x86)\Microsoft Sync Framework\v1.0\setup.dll

          Filesize

          767KB

          MD5

          6c2923753aa1ff5881dec46cd710d641

          SHA1

          b79f12062fd1e2d7b7c45d5fc4aef52af106aeec

          SHA256

          a881e82bdb934e57cd814279ab50569edd320e828bc3bde9c23b0f6c51fdd31a

          SHA512

          8267d47eb8edb396000f44ca0b5e043f045186dc7df9305c22c3a6bf59d1099fc56c8a92403c00c44be8565d009a90b23faeafb168349f3ec19a831bfa00e484

        • \Program Files (x86)\Microsoft Sync Framework\v1.0\setup.dll

          Filesize

          767KB

          MD5

          6c2923753aa1ff5881dec46cd710d641

          SHA1

          b79f12062fd1e2d7b7c45d5fc4aef52af106aeec

          SHA256

          a881e82bdb934e57cd814279ab50569edd320e828bc3bde9c23b0f6c51fdd31a

          SHA512

          8267d47eb8edb396000f44ca0b5e043f045186dc7df9305c22c3a6bf59d1099fc56c8a92403c00c44be8565d009a90b23faeafb168349f3ec19a831bfa00e484

        • \Program Files (x86)\Microsoft Sync Framework\v1.0\setup.dll

          Filesize

          767KB

          MD5

          6c2923753aa1ff5881dec46cd710d641

          SHA1

          b79f12062fd1e2d7b7c45d5fc4aef52af106aeec

          SHA256

          a881e82bdb934e57cd814279ab50569edd320e828bc3bde9c23b0f6c51fdd31a

          SHA512

          8267d47eb8edb396000f44ca0b5e043f045186dc7df9305c22c3a6bf59d1099fc56c8a92403c00c44be8565d009a90b23faeafb168349f3ec19a831bfa00e484

        • \Program Files (x86)\Microsoft Sync Framework\v1.0\setup.dll

          Filesize

          767KB

          MD5

          6c2923753aa1ff5881dec46cd710d641

          SHA1

          b79f12062fd1e2d7b7c45d5fc4aef52af106aeec

          SHA256

          a881e82bdb934e57cd814279ab50569edd320e828bc3bde9c23b0f6c51fdd31a

          SHA512

          8267d47eb8edb396000f44ca0b5e043f045186dc7df9305c22c3a6bf59d1099fc56c8a92403c00c44be8565d009a90b23faeafb168349f3ec19a831bfa00e484

        • \Program Files\Mozilla Firefox\firefox.exe

          Filesize

          562KB

          MD5

          d388df6ed5ccbf1acdeda5af2d18cb0b

          SHA1

          124d3c2ba93644ac6c2d7253de242b46be836692

          SHA256

          8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606

          SHA512

          f45200d296f4956ec2c39115095559e7825a748b5481c1a3244edf362a49c40b90d778fcdf4bf629095661d96879c96259574d9bfc29d81b6b14f19f4c32d234

        • \Program Files\Mozilla Firefox\firefox.exe

          Filesize

          562KB

          MD5

          d388df6ed5ccbf1acdeda5af2d18cb0b

          SHA1

          124d3c2ba93644ac6c2d7253de242b46be836692

          SHA256

          8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606

          SHA512

          f45200d296f4956ec2c39115095559e7825a748b5481c1a3244edf362a49c40b90d778fcdf4bf629095661d96879c96259574d9bfc29d81b6b14f19f4c32d234

        • \Program Files\Mozilla Firefox\firefox.exe

          Filesize

          562KB

          MD5

          d388df6ed5ccbf1acdeda5af2d18cb0b

          SHA1

          124d3c2ba93644ac6c2d7253de242b46be836692

          SHA256

          8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606

          SHA512

          f45200d296f4956ec2c39115095559e7825a748b5481c1a3244edf362a49c40b90d778fcdf4bf629095661d96879c96259574d9bfc29d81b6b14f19f4c32d234

        • \Program Files\Mozilla Firefox\firefox.exe

          Filesize

          562KB

          MD5

          d388df6ed5ccbf1acdeda5af2d18cb0b

          SHA1

          124d3c2ba93644ac6c2d7253de242b46be836692

          SHA256

          8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606

          SHA512

          f45200d296f4956ec2c39115095559e7825a748b5481c1a3244edf362a49c40b90d778fcdf4bf629095661d96879c96259574d9bfc29d81b6b14f19f4c32d234

        • \Users\Admin\AppData\Local\Temp\Tdryuqayh.tmp

          Filesize

          767KB

          MD5

          d8ca174a8f3f0c225429e1be1cb6d304

          SHA1

          0f2e738b1a35b6072e1d23894468e45fa7dee750

          SHA256

          3d63ad175a34e4c89ea6eca4a1161bb5dd514a5e58302707edc03473eb1f656e

          SHA512

          dbf999a9f0399b3cbf93484f2e665e3beb4de369dacf4678c7b7b3ff06f45c42879c544c2404d85b88fe3aaacf117a1e28ecb68ee7ea2553b736bad03619e527

        • memory/816-113-0x0000000000000000-mapping.dmp

        • memory/1396-58-0x00000000020C0000-0x00000000021E0000-memory.dmp

          Filesize

          1.1MB

        • memory/1396-55-0x00000000760E1000-0x00000000760E3000-memory.dmp

          Filesize

          8KB

        • memory/1396-54-0x0000000001FE0000-0x00000000020BF000-memory.dmp

          Filesize

          892KB

        • memory/1396-60-0x0000000000400000-0x000000000071C000-memory.dmp

          Filesize

          3.1MB

        • memory/1396-57-0x0000000001FE0000-0x00000000020BF000-memory.dmp

          Filesize

          892KB

        • memory/1640-72-0x0000000005570000-0x00000000056B0000-memory.dmp

          Filesize

          1.2MB

        • memory/1640-56-0x0000000000000000-mapping.dmp

        • memory/1640-81-0x00000000047A0000-0x0000000005319000-memory.dmp

          Filesize

          11.5MB

        • memory/1640-73-0x0000000005320000-0x0000000005460000-memory.dmp

          Filesize

          1.2MB

        • memory/1640-69-0x0000000005570000-0x00000000056B0000-memory.dmp

          Filesize

          1.2MB

        • memory/1640-68-0x0000000005320000-0x0000000005460000-memory.dmp

          Filesize

          1.2MB

        • memory/1640-67-0x0000000005320000-0x0000000005460000-memory.dmp

          Filesize

          1.2MB

        • memory/1640-74-0x0000000005320000-0x0000000005460000-memory.dmp

          Filesize

          1.2MB

        • memory/1640-66-0x00000000047A0000-0x0000000005319000-memory.dmp

          Filesize

          11.5MB

        • memory/1640-64-0x00000000047A0000-0x0000000005319000-memory.dmp

          Filesize

          11.5MB

        • memory/1644-75-0x00000000FF063CEC-mapping.dmp

        • memory/1644-70-0x0000000000210000-0x00000000004BB000-memory.dmp

          Filesize

          2.7MB

        • memory/1644-80-0x0000000001F50000-0x000000000220C000-memory.dmp

          Filesize

          2.7MB

        • memory/1644-79-0x0000000000210000-0x00000000004BB000-memory.dmp

          Filesize

          2.7MB

        • memory/1644-78-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp

          Filesize

          8KB

        • memory/1644-77-0x0000000002300000-0x0000000002440000-memory.dmp

          Filesize

          1.2MB

        • memory/1644-76-0x0000000002300000-0x0000000002440000-memory.dmp

          Filesize

          1.2MB

        • memory/1716-99-0x0000000000000000-mapping.dmp

        • memory/1716-108-0x00000000042D0000-0x0000000004E49000-memory.dmp

          Filesize

          11.5MB

        • memory/1716-107-0x00000000042D0000-0x0000000004E49000-memory.dmp

          Filesize

          11.5MB

        • memory/1716-105-0x00000000042D0000-0x0000000004E49000-memory.dmp

          Filesize

          11.5MB

        • memory/1716-115-0x00000000042D0000-0x0000000004E49000-memory.dmp

          Filesize

          11.5MB

        • memory/2036-89-0x0000000004370000-0x0000000004EE9000-memory.dmp

          Filesize

          11.5MB

        • memory/2036-88-0x0000000004370000-0x0000000004EE9000-memory.dmp

          Filesize

          11.5MB

        • memory/2036-86-0x0000000004370000-0x0000000004EE9000-memory.dmp

          Filesize

          11.5MB

        • memory/2036-114-0x0000000004370000-0x0000000004EE9000-memory.dmp

          Filesize

          11.5MB