Analysis

  • max time kernel
    174s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 12:16

General

  • Target

    d7fd3919c0dd467f3381d9a5760b02de6e95e328a814fb8aea53b7bcf2a2d4e1.exe

  • Size

    255KB

  • MD5

    91508f21b1ba973fe183e1244754aeb5

  • SHA1

    6941b0b0681a97d59b4cd93d62a8ebe0da8ada8d

  • SHA256

    d7fd3919c0dd467f3381d9a5760b02de6e95e328a814fb8aea53b7bcf2a2d4e1

  • SHA512

    26982abf999b485387c76ff5b36cf54ad6b1045bd9b4f79e8970976bef613fe1e00fbe8f9d305953d6ef4341f74a6306980efe76a4955b6abe9add09f7857030

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJp:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI+

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 3 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 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7fd3919c0dd467f3381d9a5760b02de6e95e328a814fb8aea53b7bcf2a2d4e1.exe
    "C:\Users\Admin\AppData\Local\Temp\d7fd3919c0dd467f3381d9a5760b02de6e95e328a814fb8aea53b7bcf2a2d4e1.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\SysWOW64\ynkaofwqia.exe
      ynkaofwqia.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Windows\SysWOW64\ltoalelr.exe
        C:\Windows\system32\ltoalelr.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3632
    • C:\Windows\SysWOW64\pqdizwnjnkgevwa.exe
      pqdizwnjnkgevwa.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3412
    • C:\Windows\SysWOW64\ltoalelr.exe
      ltoalelr.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:176
    • C:\Windows\SysWOW64\fowbgangxyysc.exe
      fowbgangxyysc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2356
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

    Filesize

    255KB

    MD5

    3e06159c2a623f90998edc6a10662839

    SHA1

    e0ce4c2fe674534ec720627e98bc2823d4b04b23

    SHA256

    377ef64728822bb15feb7a6f4943bb3b41591ab3ddb4d23081c585dbfcdc30d2

    SHA512

    02aae3138273a99648839876ebe841f42722976fdf83f083127d5b7e3dcdcffb98e023e64b270a4fe2883cb8742f55f28dc734e2873b0859d3742a3efe7b8b14

  • C:\Users\Admin\Downloads\GroupClose.doc.exe

    Filesize

    255KB

    MD5

    4310752d2916ca52ffca7a2828c25b3f

    SHA1

    968332730508d1aba0c1c721254281cc9b66de6d

    SHA256

    b9371fe44a33aa158b476d79e4f03908d93b6898b016bc80100798390ee7f96d

    SHA512

    a144ee5d98c90b43dcae0a0f7f031a8dbe733e9443e7a4d4c8b44d3a4a80e470ae6e0d0b3b9dc7b283d10d89854cecfdf5dc8a0985b423b3b8e1e55e77676d3f

  • C:\Windows\SysWOW64\fowbgangxyysc.exe

    Filesize

    255KB

    MD5

    dbe9234c7986c529976364dd8edcd3f5

    SHA1

    ebec18b88976a38f96b64c822efca2428bac7fc0

    SHA256

    8867ad9f62a67533159ab32c151d6fcd7aa28c0bcbd49b82cd682ffe095b7a93

    SHA512

    ae5b210c74803ef9a478db3befd9f0503fb56fc2e8956a9d2c828128b8ea8e4dd217ceb65c901f083ac4c6e0b3aefca2314ec5357e22c2651e25ec8bbde7be21

  • C:\Windows\SysWOW64\fowbgangxyysc.exe

    Filesize

    255KB

    MD5

    dbe9234c7986c529976364dd8edcd3f5

    SHA1

    ebec18b88976a38f96b64c822efca2428bac7fc0

    SHA256

    8867ad9f62a67533159ab32c151d6fcd7aa28c0bcbd49b82cd682ffe095b7a93

    SHA512

    ae5b210c74803ef9a478db3befd9f0503fb56fc2e8956a9d2c828128b8ea8e4dd217ceb65c901f083ac4c6e0b3aefca2314ec5357e22c2651e25ec8bbde7be21

  • C:\Windows\SysWOW64\ltoalelr.exe

    Filesize

    255KB

    MD5

    e97d53ba154504b2b3048381b9d705bd

    SHA1

    c78ba5c7289649919bfa319bfb0b7702be9966d8

    SHA256

    a1738c72d57c2e9c50ea71460d42d621bb90005a235eb65878cc9730f6d22cff

    SHA512

    4a46d259c48bc779333918b1bfdbc483ef821ecd1c7af685fbe3d61568ea073d76a072afc82d77d1506deb2ce0741780256633d032b1f92c49c8f18b752d77a0

  • C:\Windows\SysWOW64\ltoalelr.exe

    Filesize

    255KB

    MD5

    e97d53ba154504b2b3048381b9d705bd

    SHA1

    c78ba5c7289649919bfa319bfb0b7702be9966d8

    SHA256

    a1738c72d57c2e9c50ea71460d42d621bb90005a235eb65878cc9730f6d22cff

    SHA512

    4a46d259c48bc779333918b1bfdbc483ef821ecd1c7af685fbe3d61568ea073d76a072afc82d77d1506deb2ce0741780256633d032b1f92c49c8f18b752d77a0

  • C:\Windows\SysWOW64\ltoalelr.exe

    Filesize

    255KB

    MD5

    e97d53ba154504b2b3048381b9d705bd

    SHA1

    c78ba5c7289649919bfa319bfb0b7702be9966d8

    SHA256

    a1738c72d57c2e9c50ea71460d42d621bb90005a235eb65878cc9730f6d22cff

    SHA512

    4a46d259c48bc779333918b1bfdbc483ef821ecd1c7af685fbe3d61568ea073d76a072afc82d77d1506deb2ce0741780256633d032b1f92c49c8f18b752d77a0

  • C:\Windows\SysWOW64\pqdizwnjnkgevwa.exe

    Filesize

    255KB

    MD5

    73a6e426ba08a626ef71f2b64f6f0421

    SHA1

    c56b3a7b4d02b3f5dcdc6bea5ae973510686cbe9

    SHA256

    7fa908dd7bc20b32e0a4677ae7e5a0ff96d6e70481da36f5c643facaeb230ebd

    SHA512

    784c34c2a2aba8e1d26089612d35053a771374df93c07525dce31d5e0734b8be408305d22159d932d3e0aa7516d29beb9063e2f900cb3bcb622ae07b0bac8fd3

  • C:\Windows\SysWOW64\pqdizwnjnkgevwa.exe

    Filesize

    255KB

    MD5

    73a6e426ba08a626ef71f2b64f6f0421

    SHA1

    c56b3a7b4d02b3f5dcdc6bea5ae973510686cbe9

    SHA256

    7fa908dd7bc20b32e0a4677ae7e5a0ff96d6e70481da36f5c643facaeb230ebd

    SHA512

    784c34c2a2aba8e1d26089612d35053a771374df93c07525dce31d5e0734b8be408305d22159d932d3e0aa7516d29beb9063e2f900cb3bcb622ae07b0bac8fd3

  • C:\Windows\SysWOW64\ynkaofwqia.exe

    Filesize

    255KB

    MD5

    c4dbc4001d80752ebe72b291deffc9c2

    SHA1

    eddfaeea884b8c2c1b19155cf5fadea78239ced7

    SHA256

    7d8c5169bb96a2a69123c5e8b2aa566ca0c02a97348dc98f9e36abd8c3580ded

    SHA512

    28cce9944d133faf5b2e8c3fb156cd40993cd594f0b1001b1de05a6111dc3cf1d1d8a25509018aeffa9376c2ef5a34b1c6c30cc656a4c7ee11eaedadb7555fd5

  • C:\Windows\SysWOW64\ynkaofwqia.exe

    Filesize

    255KB

    MD5

    c4dbc4001d80752ebe72b291deffc9c2

    SHA1

    eddfaeea884b8c2c1b19155cf5fadea78239ced7

    SHA256

    7d8c5169bb96a2a69123c5e8b2aa566ca0c02a97348dc98f9e36abd8c3580ded

    SHA512

    28cce9944d133faf5b2e8c3fb156cd40993cd594f0b1001b1de05a6111dc3cf1d1d8a25509018aeffa9376c2ef5a34b1c6c30cc656a4c7ee11eaedadb7555fd5

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Users\Admin\Downloads\GroupClose.doc.exe

    Filesize

    255KB

    MD5

    4310752d2916ca52ffca7a2828c25b3f

    SHA1

    968332730508d1aba0c1c721254281cc9b66de6d

    SHA256

    b9371fe44a33aa158b476d79e4f03908d93b6898b016bc80100798390ee7f96d

    SHA512

    a144ee5d98c90b43dcae0a0f7f031a8dbe733e9443e7a4d4c8b44d3a4a80e470ae6e0d0b3b9dc7b283d10d89854cecfdf5dc8a0985b423b3b8e1e55e77676d3f

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    9f350c9b7ebc3a0eab7963e9cb65f1d5

    SHA1

    c84bc1ac8b81525533a0a1a34c94f9061541ce70

    SHA256

    32b6937d03e5893539b3d839a596c6cbfec011df19421b30fddf7b8f133a3dce

    SHA512

    2204340fbb832e9da97f394d1afd2c5003c5a79749b2fffc126b9c843f46bb9bdb88e8f90ade8efd60ebb6b49b5e629fc2ce54822f0df143765aef5d2cf71e09

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    3e7e79ce5e9915760f0708f1cddab6c6

    SHA1

    1e00e2ed7aa90c671b205795a735722a2f9cadf7

    SHA256

    0086be2e5056e3495c2f7767af6ca90758c3901ce393df38c0dba3857a67c3e8

    SHA512

    e5421305d0008548117ea9455189808f5194d560918e1f79c603dfc7d2e5f2caec7f795e8384a0b11270e2061e76929b0b196a43d79fc9bee692f18b377c8d9a

  • memory/176-139-0x0000000000000000-mapping.dmp

  • memory/176-165-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/176-147-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2356-166-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2356-148-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2356-142-0x0000000000000000-mapping.dmp

  • memory/2420-152-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2420-132-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3160-163-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3160-133-0x0000000000000000-mapping.dmp

  • memory/3160-145-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3412-164-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3412-136-0x0000000000000000-mapping.dmp

  • memory/3412-146-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3632-149-0x0000000000000000-mapping.dmp

  • memory/3632-153-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3632-167-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3808-161-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

    Filesize

    64KB

  • memory/3808-154-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-151-0x0000000000000000-mapping.dmp

  • memory/3808-155-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-156-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-160-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

    Filesize

    64KB

  • memory/3808-171-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-172-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-173-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-174-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-158-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB

  • memory/3808-157-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

    Filesize

    64KB