Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 11:37

General

  • Target

    dfb844e66a20a7f7c2a56e996f3976caff50ab8fa4d331037f5b9243ab2cf3cc.exe

  • Size

    255KB

  • MD5

    7b70c7453354aff2e69fe0b5638bae2a

  • SHA1

    1a099a1a8c9a390876ff3a4bd3ea767c1c7d1624

  • SHA256

    dfb844e66a20a7f7c2a56e996f3976caff50ab8fa4d331037f5b9243ab2cf3cc

  • SHA512

    c0a1353413058ad33d2cd108e41465f03331c5ede1b5c3e4e2b9d34291d08f37442d12457422180bd55293f1bfecd3bc5d6d6e966f422d5b57070e001c19e606

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJc:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIP

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 34 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 13 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 19 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\dfb844e66a20a7f7c2a56e996f3976caff50ab8fa4d331037f5b9243ab2cf3cc.exe
    "C:\Users\Admin\AppData\Local\Temp\dfb844e66a20a7f7c2a56e996f3976caff50ab8fa4d331037f5b9243ab2cf3cc.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:4940
    • C:\Windows\SysWOW64\ztyarijuzm.exe
      ztyarijuzm.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:532
      • C:\Windows\SysWOW64\xfueyvhp.exe
        C:\Windows\system32\xfueyvhp.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4284
    • C:\Windows\SysWOW64\lacmjypqbqsadry.exe
      lacmjypqbqsadry.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1376
    • C:\Windows\SysWOW64\xfueyvhp.exe
      xfueyvhp.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1284
    • C:\Windows\SysWOW64\mkqpijtyydwyu.exe
      mkqpijtyydwyu.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4420
    • 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:2260

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          Filesize

          255KB

          MD5

          9f65e6c47026c1c4a216583e379cfa2f

          SHA1

          2c6f94d4041b3c333c1784362ebf27859f13de25

          SHA256

          40fc1c5f0abf46f44fc6fb727538551a186b6b0dd99b9077a0fb46d0f11f0aaf

          SHA512

          388c0bda156d14e63dcf1461ad316fc14b6f8a09de903c9c493729ee08e2ee67b252a7bdf84345700b01d79ed2d251660a963141e0bfce338503835baa7e1b1e

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

          Filesize

          255KB

          MD5

          8beeb64516184d4844c9537773e06464

          SHA1

          f6a7a0495e42f64874e5b516d63860ece5fbe065

          SHA256

          7ece3ff87b9afba00aa7e94ce4c540f84e8da1c9cf312d4e6542a3928ee14aa1

          SHA512

          be33d066522ad3fe3858456bf3e934b73d641b5ff2549ddc655e1e4d1533576e5160ed871fe783e3b5be68b44520ee58b5c3a50127a66ad1c6a1e9761de2f56c

        • C:\Users\Admin\AppData\Roaming\ExportPublish.doc.exe

          Filesize

          255KB

          MD5

          7b055800b606e3be65f6e7b63425f95f

          SHA1

          cde7e595fc935d826149af452dfc47394b9dbedd

          SHA256

          1d3ce62b635a5cfb839fda5be8abf866eb1e37ff702f9c54fa53f4af30d16207

          SHA512

          867e21be390cda84d4f748aa1bb44bd02c22bcfdfec0fc89935f1014174759a2eaea882eda96572f98da0b0aae091be2981f10a37da3f9786f2e653fa1a00f9c

        • C:\Users\Admin\AppData\Roaming\RestartBackup.doc.exe

          Filesize

          255KB

          MD5

          5bf792610e74c18486c7c73f5458e128

          SHA1

          d8a7b847e7199d8152b6b504c2924c11dd4e7059

          SHA256

          da748b8f6f0deb29a51ef6357337a38de4d19cb77fc1cf1c29fd469668ba587f

          SHA512

          86b1d097b977873b90e231798db2c2ba36acaa88ce45b953e8b78afcdd50f78bb97ab6bdd146db931f5b5c449aadc411a14c8243fd9a4def9fde253b3c478446

        • C:\Windows\SysWOW64\lacmjypqbqsadry.exe

          Filesize

          255KB

          MD5

          30af9aae91ab0a20335966dfd6e9719c

          SHA1

          027d5d8b5bb7a632e217a3532cd97dbde697faf8

          SHA256

          8cdb825c3b3058eb3e634af6cdfe3dfd5bdb1ee4899abc1cb09e1e4f56cafbb1

          SHA512

          5cb2a82e3ff1b662ad362010da4f20c9ee54a8a2120bec7d962b19eef5127dc6103b3f798332199ef95aa511bc69001625194059e608053a601d0c51b4f73da4

        • C:\Windows\SysWOW64\lacmjypqbqsadry.exe

          Filesize

          255KB

          MD5

          30af9aae91ab0a20335966dfd6e9719c

          SHA1

          027d5d8b5bb7a632e217a3532cd97dbde697faf8

          SHA256

          8cdb825c3b3058eb3e634af6cdfe3dfd5bdb1ee4899abc1cb09e1e4f56cafbb1

          SHA512

          5cb2a82e3ff1b662ad362010da4f20c9ee54a8a2120bec7d962b19eef5127dc6103b3f798332199ef95aa511bc69001625194059e608053a601d0c51b4f73da4

        • C:\Windows\SysWOW64\mkqpijtyydwyu.exe

          Filesize

          255KB

          MD5

          f2e942b8cc2b075a95e6188423cddc99

          SHA1

          c7a181b92b457555cad82da51fea2d921ee01b5d

          SHA256

          3d55d1a5c9c7c707ac8a97489e7c7a5f2ceea2dd53346bd649273bff0ba15f7f

          SHA512

          22db29361d84b66d3ed1db8303d83903a31c265156d92d8c071c6977e8a83b2933005dc8ee8df2d3357b853618e4b6324a75543c934b3dc4df7d7b2357a6c524

        • C:\Windows\SysWOW64\mkqpijtyydwyu.exe

          Filesize

          255KB

          MD5

          f2e942b8cc2b075a95e6188423cddc99

          SHA1

          c7a181b92b457555cad82da51fea2d921ee01b5d

          SHA256

          3d55d1a5c9c7c707ac8a97489e7c7a5f2ceea2dd53346bd649273bff0ba15f7f

          SHA512

          22db29361d84b66d3ed1db8303d83903a31c265156d92d8c071c6977e8a83b2933005dc8ee8df2d3357b853618e4b6324a75543c934b3dc4df7d7b2357a6c524

        • C:\Windows\SysWOW64\xfueyvhp.exe

          Filesize

          255KB

          MD5

          0e063917ec64ff8f5533f42ae7cee78f

          SHA1

          b62d0fe5f154c55435294c6749f01e367927bcce

          SHA256

          3f26a278be311a1dc4ae135e4431818b81b27223f620e1ef3d3d50f250198c31

          SHA512

          ddf3446c95c0b4b2dd96f44451cee3d1970f047a771761d2add494c667f3694c4aad1c9592f980141ce6ba52780ee24b32d643fc039b165def75bc20be4603f0

        • C:\Windows\SysWOW64\xfueyvhp.exe

          Filesize

          255KB

          MD5

          0e063917ec64ff8f5533f42ae7cee78f

          SHA1

          b62d0fe5f154c55435294c6749f01e367927bcce

          SHA256

          3f26a278be311a1dc4ae135e4431818b81b27223f620e1ef3d3d50f250198c31

          SHA512

          ddf3446c95c0b4b2dd96f44451cee3d1970f047a771761d2add494c667f3694c4aad1c9592f980141ce6ba52780ee24b32d643fc039b165def75bc20be4603f0

        • C:\Windows\SysWOW64\xfueyvhp.exe

          Filesize

          255KB

          MD5

          0e063917ec64ff8f5533f42ae7cee78f

          SHA1

          b62d0fe5f154c55435294c6749f01e367927bcce

          SHA256

          3f26a278be311a1dc4ae135e4431818b81b27223f620e1ef3d3d50f250198c31

          SHA512

          ddf3446c95c0b4b2dd96f44451cee3d1970f047a771761d2add494c667f3694c4aad1c9592f980141ce6ba52780ee24b32d643fc039b165def75bc20be4603f0

        • C:\Windows\SysWOW64\ztyarijuzm.exe

          Filesize

          255KB

          MD5

          4b998f1f25288121e9e1a87c1824a83a

          SHA1

          8d66c0bb0c31d19186086a1780cdb5f765302084

          SHA256

          b074f9daecfedca8b609f229dd6c68a2de78fc7884dc32b6ed77c0a3616e5217

          SHA512

          f99f28502694aa75221da04ec55ce144a76534015a2a778b3906bfdd7ef4b4021c9c87d41fccd5a1dbdb2cbb4e240634907a0fe2786fa0056c800eb32835de17

        • C:\Windows\SysWOW64\ztyarijuzm.exe

          Filesize

          255KB

          MD5

          4b998f1f25288121e9e1a87c1824a83a

          SHA1

          8d66c0bb0c31d19186086a1780cdb5f765302084

          SHA256

          b074f9daecfedca8b609f229dd6c68a2de78fc7884dc32b6ed77c0a3616e5217

          SHA512

          f99f28502694aa75221da04ec55ce144a76534015a2a778b3906bfdd7ef4b4021c9c87d41fccd5a1dbdb2cbb4e240634907a0fe2786fa0056c800eb32835de17

        • C:\Windows\mydoc.rtf

          Filesize

          223B

          MD5

          06604e5941c126e2e7be02c5cd9f62ec

          SHA1

          4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

          SHA256

          85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

          SHA512

          803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

        • \??\c:\Users\Admin\AppData\Roaming\ExportPublish.doc.exe

          Filesize

          255KB

          MD5

          7b055800b606e3be65f6e7b63425f95f

          SHA1

          cde7e595fc935d826149af452dfc47394b9dbedd

          SHA256

          1d3ce62b635a5cfb839fda5be8abf866eb1e37ff702f9c54fa53f4af30d16207

          SHA512

          867e21be390cda84d4f748aa1bb44bd02c22bcfdfec0fc89935f1014174759a2eaea882eda96572f98da0b0aae091be2981f10a37da3f9786f2e653fa1a00f9c

        • \??\c:\Users\Admin\AppData\Roaming\RestartBackup.doc.exe

          Filesize

          255KB

          MD5

          5bf792610e74c18486c7c73f5458e128

          SHA1

          d8a7b847e7199d8152b6b504c2924c11dd4e7059

          SHA256

          da748b8f6f0deb29a51ef6357337a38de4d19cb77fc1cf1c29fd469668ba587f

          SHA512

          86b1d097b977873b90e231798db2c2ba36acaa88ce45b953e8b78afcdd50f78bb97ab6bdd146db931f5b5c449aadc411a14c8243fd9a4def9fde253b3c478446

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

          Filesize

          255KB

          MD5

          0b6380a0752511ce6d2bc4b9134540e9

          SHA1

          05158395096e9e326c2c1c82380a071f89889fbc

          SHA256

          5068c9451cb301d5dcb287bd065959f23a4578dd276879a09c7e861b08e3a64d

          SHA512

          1b3616a47935a74242c8896aebad38c5c97c4daa414d217702edee168cab9711d008bdb2990bbff958b51ed0ed0a5b8d15a4839a2ee6f268a064090499d87296

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

          Filesize

          255KB

          MD5

          0b6380a0752511ce6d2bc4b9134540e9

          SHA1

          05158395096e9e326c2c1c82380a071f89889fbc

          SHA256

          5068c9451cb301d5dcb287bd065959f23a4578dd276879a09c7e861b08e3a64d

          SHA512

          1b3616a47935a74242c8896aebad38c5c97c4daa414d217702edee168cab9711d008bdb2990bbff958b51ed0ed0a5b8d15a4839a2ee6f268a064090499d87296

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

          Filesize

          255KB

          MD5

          0b6380a0752511ce6d2bc4b9134540e9

          SHA1

          05158395096e9e326c2c1c82380a071f89889fbc

          SHA256

          5068c9451cb301d5dcb287bd065959f23a4578dd276879a09c7e861b08e3a64d

          SHA512

          1b3616a47935a74242c8896aebad38c5c97c4daa414d217702edee168cab9711d008bdb2990bbff958b51ed0ed0a5b8d15a4839a2ee6f268a064090499d87296

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

          Filesize

          255KB

          MD5

          793e2b86c1e49531f61ddd9057a7f6ad

          SHA1

          cbdf8ec157e53c4292e44bbe4b7d7fcc590cef1c

          SHA256

          17c0a7653de27b9a49d97ca8c9f0dcfeb8a48efdc844fbebb9b1ad2dcc3ffcc1

          SHA512

          6427a6af6052e8778d25e1d66a5ba1440dc6a514db4945581d6dbbb14b50e6bed8b062c169fbd5902cf426b2b722313db620f6fda79566545eecd33c876c06d8

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

          Filesize

          255KB

          MD5

          793e2b86c1e49531f61ddd9057a7f6ad

          SHA1

          cbdf8ec157e53c4292e44bbe4b7d7fcc590cef1c

          SHA256

          17c0a7653de27b9a49d97ca8c9f0dcfeb8a48efdc844fbebb9b1ad2dcc3ffcc1

          SHA512

          6427a6af6052e8778d25e1d66a5ba1440dc6a514db4945581d6dbbb14b50e6bed8b062c169fbd5902cf426b2b722313db620f6fda79566545eecd33c876c06d8

        • memory/532-145-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/532-164-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1284-184-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1284-147-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1284-166-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1376-146-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1376-165-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/2260-161-0x00007FFFBB660000-0x00007FFFBB670000-memory.dmp

          Filesize

          64KB

        • memory/2260-158-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-162-0x00007FFFBB660000-0x00007FFFBB670000-memory.dmp

          Filesize

          64KB

        • memory/2260-154-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-156-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-182-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-180-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-181-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-179-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-155-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/2260-157-0x00007FFFBD930000-0x00007FFFBD940000-memory.dmp

          Filesize

          64KB

        • memory/4284-153-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/4284-168-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/4284-183-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/4420-148-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/4420-167-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/4940-132-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/4940-152-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB