Analysis

  • max time kernel
    174s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 21:01

General

  • Target

    b62374321cbc31b0989ff0cebcaef98aab301e90326e856e0d744fd26dcd8e1b.exe

  • Size

    255KB

  • MD5

    855fa2fe0d782cbd256466662a9dc7a1

  • SHA1

    7ca032553c54862e9db8bbb0d632c32254e61802

  • SHA256

    b62374321cbc31b0989ff0cebcaef98aab301e90326e856e0d744fd26dcd8e1b

  • SHA512

    731d79d9099d0a675198fa9e11da1e538dd17581a89caf833ea92711bb66ffb0b337bdfced5d449471f7f8f20ac0bbba72d050f3f778d05d767e524b7cfa5a58

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJn:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIG

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 27 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\b62374321cbc31b0989ff0cebcaef98aab301e90326e856e0d744fd26dcd8e1b.exe
    "C:\Users\Admin\AppData\Local\Temp\b62374321cbc31b0989ff0cebcaef98aab301e90326e856e0d744fd26dcd8e1b.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:1120
    • C:\Windows\SysWOW64\ldpjdgnfan.exe
      ldpjdgnfan.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:1992
      • C:\Windows\SysWOW64\qivryxoh.exe
        C:\Windows\system32\qivryxoh.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:4304
    • C:\Windows\SysWOW64\lszvaacapdcwqwu.exe
      lszvaacapdcwqwu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1736
    • C:\Windows\SysWOW64\qivryxoh.exe
      qivryxoh.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:528
    • C:\Windows\SysWOW64\rgenuwajwngcr.exe
      rgenuwajwngcr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4848
    • 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:912

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

    251aaedd48654db2021ad41afdfa04e6

    SHA1

    7ad78761fc4e9b5fd363e299a52a9b6510dc5783

    SHA256

    344f6b4894c7d35fed9d3be361a89a4a7b6028de0e57bbdb5e682e5982764c97

    SHA512

    af04931cfc98853d2966a7890b224f9b6f7fd44ed90351ee52d8e1b3c02b05b543d24f8ea6c79ce6ee69772687d6d34cad83e35d807d3c0f38c27067e5c69206

  • C:\Users\Admin\Documents\ProtectGrant.doc.exe

    Filesize

    255KB

    MD5

    c610db77244a0b0fe17c884beb2dd830

    SHA1

    c05627b36db0e0e0ef285530d53d8f0e1ca949fb

    SHA256

    21b15af4f60ebc0c2d78513909d9d3551488238acb7b465114dbe57e2568db68

    SHA512

    1550e04e1247484350bb881db55a77f0a33a4f1921ede94cc0fc4ba7539336141f7cef6a587ce3476b9bf60323c8530b6b76d5fc2c94a6e3a233827c9641e606

  • C:\Windows\SysWOW64\ldpjdgnfan.exe

    Filesize

    255KB

    MD5

    56d1034ca6a994d2a8010702ed4c727b

    SHA1

    277d7b7b10143c736675313894b1457de535b532

    SHA256

    44a50b7940da1d9c64e8072355408d0e0b1eff21961f9c7a8e3a34755ec91e2b

    SHA512

    d2911fc9309d73028762bb6632b7154b1a44077fa4b19fc9899e072e389757188beb537c386a8f43fb31b2d40d851c1631450b63d524b5562075bbc64586a332

  • C:\Windows\SysWOW64\ldpjdgnfan.exe

    Filesize

    255KB

    MD5

    56d1034ca6a994d2a8010702ed4c727b

    SHA1

    277d7b7b10143c736675313894b1457de535b532

    SHA256

    44a50b7940da1d9c64e8072355408d0e0b1eff21961f9c7a8e3a34755ec91e2b

    SHA512

    d2911fc9309d73028762bb6632b7154b1a44077fa4b19fc9899e072e389757188beb537c386a8f43fb31b2d40d851c1631450b63d524b5562075bbc64586a332

  • C:\Windows\SysWOW64\lszvaacapdcwqwu.exe

    Filesize

    255KB

    MD5

    37f7ec0d8eadcbc31bef4899c95b07f6

    SHA1

    72963181f4215738a99d12c76d4e3a213476cef0

    SHA256

    12941cb8d2c06015589c837f5abc215020ec1d076c4026b89f045c0adeb2074d

    SHA512

    7f9db3519c128392b0f87011efe4971ea28aa61fc5c3d460d96973cb823564a46be508950bc820812ffdbe256b866e52f37ebab0430e7f96a77e3d417db90c6f

  • C:\Windows\SysWOW64\lszvaacapdcwqwu.exe

    Filesize

    255KB

    MD5

    37f7ec0d8eadcbc31bef4899c95b07f6

    SHA1

    72963181f4215738a99d12c76d4e3a213476cef0

    SHA256

    12941cb8d2c06015589c837f5abc215020ec1d076c4026b89f045c0adeb2074d

    SHA512

    7f9db3519c128392b0f87011efe4971ea28aa61fc5c3d460d96973cb823564a46be508950bc820812ffdbe256b866e52f37ebab0430e7f96a77e3d417db90c6f

  • C:\Windows\SysWOW64\qivryxoh.exe

    Filesize

    255KB

    MD5

    2b33032c606ef557950243c9ceafab3a

    SHA1

    9cbd6d7bbcacfd41246dd8d7a0d3e2ed105b8889

    SHA256

    a819be4a0913684b5565800c5a69e69cf1aa75f63f1cc5edf22496d187d41dde

    SHA512

    3e355d794bec8d10a612372d5c97f2a13577c06ba389140c6c2551f2f1382b22998cd3071a7d8e80abc680d4da4829bdcb8bf824262a296e8cd3c72e378f6f7a

  • C:\Windows\SysWOW64\qivryxoh.exe

    Filesize

    255KB

    MD5

    2b33032c606ef557950243c9ceafab3a

    SHA1

    9cbd6d7bbcacfd41246dd8d7a0d3e2ed105b8889

    SHA256

    a819be4a0913684b5565800c5a69e69cf1aa75f63f1cc5edf22496d187d41dde

    SHA512

    3e355d794bec8d10a612372d5c97f2a13577c06ba389140c6c2551f2f1382b22998cd3071a7d8e80abc680d4da4829bdcb8bf824262a296e8cd3c72e378f6f7a

  • C:\Windows\SysWOW64\qivryxoh.exe

    Filesize

    255KB

    MD5

    2b33032c606ef557950243c9ceafab3a

    SHA1

    9cbd6d7bbcacfd41246dd8d7a0d3e2ed105b8889

    SHA256

    a819be4a0913684b5565800c5a69e69cf1aa75f63f1cc5edf22496d187d41dde

    SHA512

    3e355d794bec8d10a612372d5c97f2a13577c06ba389140c6c2551f2f1382b22998cd3071a7d8e80abc680d4da4829bdcb8bf824262a296e8cd3c72e378f6f7a

  • C:\Windows\SysWOW64\rgenuwajwngcr.exe

    Filesize

    255KB

    MD5

    763ba9adad12b145687652004a350f48

    SHA1

    c83ee3ffbda50d1df74ee01589e46cc9b8c65538

    SHA256

    b1a4748b272bab9151b83145fd20c0f7a960596c4fc31a116aea20b8c839fc8d

    SHA512

    ec888b7282163c8cc45595ff0185097feeef67b552f1b38ba103a721ef933ab249640da484af168d8534a1da58983de6f657c18aa509b4d9eed9d4154d84a7e8

  • C:\Windows\SysWOW64\rgenuwajwngcr.exe

    Filesize

    255KB

    MD5

    763ba9adad12b145687652004a350f48

    SHA1

    c83ee3ffbda50d1df74ee01589e46cc9b8c65538

    SHA256

    b1a4748b272bab9151b83145fd20c0f7a960596c4fc31a116aea20b8c839fc8d

    SHA512

    ec888b7282163c8cc45595ff0185097feeef67b552f1b38ba103a721ef933ab249640da484af168d8534a1da58983de6f657c18aa509b4d9eed9d4154d84a7e8

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Users\Admin\Documents\ProtectGrant.doc.exe

    Filesize

    255KB

    MD5

    c610db77244a0b0fe17c884beb2dd830

    SHA1

    c05627b36db0e0e0ef285530d53d8f0e1ca949fb

    SHA256

    21b15af4f60ebc0c2d78513909d9d3551488238acb7b465114dbe57e2568db68

    SHA512

    1550e04e1247484350bb881db55a77f0a33a4f1921ede94cc0fc4ba7539336141f7cef6a587ce3476b9bf60323c8530b6b76d5fc2c94a6e3a233827c9641e606

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

    Filesize

    255KB

    MD5

    2bd80e53043dd7ab6211535e01c32a87

    SHA1

    fc54f5268e824de0b4081911e655e5c3927f782a

    SHA256

    3cecf8511138c5c8ef404b5ccc9285ab8c59d40465cc92c5bc5d44c37104b635

    SHA512

    15d15102c87bb1c26ed571ac555fd92eaf37061e7cc0b9b49e24dd4fc8d3881c483d88ff2c60aec9e9487b4fbbda698a4baf9cc2710320b37786a88f3aee7927

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

    Filesize

    255KB

    MD5

    2bd80e53043dd7ab6211535e01c32a87

    SHA1

    fc54f5268e824de0b4081911e655e5c3927f782a

    SHA256

    3cecf8511138c5c8ef404b5ccc9285ab8c59d40465cc92c5bc5d44c37104b635

    SHA512

    15d15102c87bb1c26ed571ac555fd92eaf37061e7cc0b9b49e24dd4fc8d3881c483d88ff2c60aec9e9487b4fbbda698a4baf9cc2710320b37786a88f3aee7927

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

    Filesize

    255KB

    MD5

    8b3d5131083fffb4f3227c3e00e56e44

    SHA1

    a6cb1d014cdb8205a3bdb92a5210c26da7399df1

    SHA256

    94e1245c23fcbdac4666c02a307d6c1e017856d2d26afcc7f954109589992e7f

    SHA512

    30df930608a8a1421e18aeb5f94e96f9c67ce275c1d518b08ea4771894d003bacc4a12959a10a26bf108cf9f1aeaf8e4d11eb2e1964656c29ddc95187bdc8474

  • memory/528-139-0x0000000000000000-mapping.dmp

  • memory/528-156-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/528-147-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/912-165-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

    Filesize

    64KB

  • memory/912-171-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-173-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-174-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-172-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-152-0x0000000000000000-mapping.dmp

  • memory/912-166-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

    Filesize

    64KB

  • memory/912-164-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-163-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-159-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-161-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/912-162-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/1120-132-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1120-153-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1736-146-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1736-136-0x0000000000000000-mapping.dmp

  • memory/1736-155-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1992-154-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1992-145-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1992-133-0x0000000000000000-mapping.dmp

  • memory/4304-151-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4304-149-0x0000000000000000-mapping.dmp

  • memory/4304-158-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4848-148-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4848-157-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4848-142-0x0000000000000000-mapping.dmp