Analysis

  • max time kernel
    152s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 16:32

General

  • Target

    498afe09aec9e626c8238e232ccd3a41fbbf0c50891f038f222510bcc6c9d05b.exe

  • Size

    255KB

  • MD5

    9f58d7d3ca12e8f3e861516fdfeba0c8

  • SHA1

    fe74a5bbac92472249626fd99c9f459fa61445e0

  • SHA256

    498afe09aec9e626c8238e232ccd3a41fbbf0c50891f038f222510bcc6c9d05b

  • SHA512

    013439c468fc8bcf2df895c21d2ab701ae650d275baecc00046df5f634f4b47365d1bba4f1cf3356836606f7e4285deade768faa1bb72ecf7a3e8e1e20859722

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJj:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI6

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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • UPX packed file 27 IoCs

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

  • Loads dropped DLL 5 IoCs
  • 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 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\498afe09aec9e626c8238e232ccd3a41fbbf0c50891f038f222510bcc6c9d05b.exe
    "C:\Users\Admin\AppData\Local\Temp\498afe09aec9e626c8238e232ccd3a41fbbf0c50891f038f222510bcc6c9d05b.exe"
    1⤵
    • Loads dropped DLL
    • 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:1216
    • C:\Windows\SysWOW64\avhhhvagpv.exe
      avhhhvagpv.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
      • Loads dropped DLL
      • 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:296
      • C:\Windows\SysWOW64\saglrsdz.exe
        C:\Windows\system32\saglrsdz.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:292
    • C:\Windows\SysWOW64\eihxectqygjbfpm.exe
      eihxectqygjbfpm.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:892
    • C:\Windows\SysWOW64\saglrsdz.exe
      saglrsdz.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2028
    • C:\Windows\SysWOW64\amlcoipgxhiie.exe
      amlcoipgxhiie.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1484
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1356
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1704
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x598
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1616

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      255KB

      MD5

      37bbc09d5bf1b8647adaaf47e6a2500b

      SHA1

      1dfd426d9564f09f7717617d23ccb4cd5e650259

      SHA256

      e0ab7529ed972cd4dc5f89b19642e6366facf06db40f2d1ddc582eb5b96d5036

      SHA512

      95a256c0cb9d595262c3a97412cea5086fb97d6f1d6d3b13b6b8c66322890804f35574ce751388fd313eefb16ef1c4639e4d0cbf8ea6297cf9c29c453fbfb3f5

    • C:\Windows\SysWOW64\amlcoipgxhiie.exe

      Filesize

      255KB

      MD5

      abdee7624a6257e0cff284c03d0dd954

      SHA1

      e999dc312b281d62a0d44251741be137e2e0939e

      SHA256

      a278f4100d3cd705fe9685a5be422fb97d52f96392567584331965c93d07f044

      SHA512

      aa0ee4abc6c3d3285681300b407d3e0719e5d0b3c641031dc039a65ee07d3415f733c770288fed06014c3d6f9412292d0b930dede2ab3c6cbf46ab96591393b9

    • C:\Windows\SysWOW64\amlcoipgxhiie.exe

      Filesize

      255KB

      MD5

      abdee7624a6257e0cff284c03d0dd954

      SHA1

      e999dc312b281d62a0d44251741be137e2e0939e

      SHA256

      a278f4100d3cd705fe9685a5be422fb97d52f96392567584331965c93d07f044

      SHA512

      aa0ee4abc6c3d3285681300b407d3e0719e5d0b3c641031dc039a65ee07d3415f733c770288fed06014c3d6f9412292d0b930dede2ab3c6cbf46ab96591393b9

    • C:\Windows\SysWOW64\avhhhvagpv.exe

      Filesize

      255KB

      MD5

      dd138d37f94bbb3cd40e093dba09525e

      SHA1

      f647f5803b37bcb17fd9b06533536b2491fc72b4

      SHA256

      316b5ee8ad38b2bbe8c99f9792bd8e018cfba64c745d67637c6274326ad2e7ba

      SHA512

      18ee7825edd1be42506b2c90535b689a2829809a5a19c056aa5424138f326910c05efc134f56ae9bd87bb423e93ae1fc4359692b97e911a6f92d2a9687efd2ad

    • C:\Windows\SysWOW64\avhhhvagpv.exe

      Filesize

      255KB

      MD5

      dd138d37f94bbb3cd40e093dba09525e

      SHA1

      f647f5803b37bcb17fd9b06533536b2491fc72b4

      SHA256

      316b5ee8ad38b2bbe8c99f9792bd8e018cfba64c745d67637c6274326ad2e7ba

      SHA512

      18ee7825edd1be42506b2c90535b689a2829809a5a19c056aa5424138f326910c05efc134f56ae9bd87bb423e93ae1fc4359692b97e911a6f92d2a9687efd2ad

    • C:\Windows\SysWOW64\eihxectqygjbfpm.exe

      Filesize

      255KB

      MD5

      8d8c284aa718467566cd911f45a91781

      SHA1

      1414ad1f9821ff7720ab55e76d7e0ad6d279d0f9

      SHA256

      19ce8754b56f5a57fcf8c14b023310ef37b4ca7a79c4f0f545a73ad38f8068b3

      SHA512

      a9921e86bd7ab203b0f84ef8c47e4873a2d2829a4922fe6a5a75f7885b5124b616d8357de06eda5b6d90cb91250df5a15c96eec4751b3ce8e217a5b9830e2b07

    • C:\Windows\SysWOW64\eihxectqygjbfpm.exe

      Filesize

      255KB

      MD5

      8d8c284aa718467566cd911f45a91781

      SHA1

      1414ad1f9821ff7720ab55e76d7e0ad6d279d0f9

      SHA256

      19ce8754b56f5a57fcf8c14b023310ef37b4ca7a79c4f0f545a73ad38f8068b3

      SHA512

      a9921e86bd7ab203b0f84ef8c47e4873a2d2829a4922fe6a5a75f7885b5124b616d8357de06eda5b6d90cb91250df5a15c96eec4751b3ce8e217a5b9830e2b07

    • C:\Windows\SysWOW64\saglrsdz.exe

      Filesize

      255KB

      MD5

      4f757799ec1728a5b12d8c7f61532012

      SHA1

      7e1711fbaa54210c19bfb54567342ee93a3f7ef2

      SHA256

      b53d8e5c63494da1bfe5b5faa0d02330d6bb8c4f22bee22d49be0b7a39e96635

      SHA512

      f06dd426dff48328e365a5d36dd3b110b30f5ab52452712a344fe5ea3d677ed32d31700fd86b374dae18c2aa1227fc169eef5e74cb9f46ef8c55dd455eac672a

    • C:\Windows\SysWOW64\saglrsdz.exe

      Filesize

      255KB

      MD5

      4f757799ec1728a5b12d8c7f61532012

      SHA1

      7e1711fbaa54210c19bfb54567342ee93a3f7ef2

      SHA256

      b53d8e5c63494da1bfe5b5faa0d02330d6bb8c4f22bee22d49be0b7a39e96635

      SHA512

      f06dd426dff48328e365a5d36dd3b110b30f5ab52452712a344fe5ea3d677ed32d31700fd86b374dae18c2aa1227fc169eef5e74cb9f46ef8c55dd455eac672a

    • C:\Windows\SysWOW64\saglrsdz.exe

      Filesize

      255KB

      MD5

      4f757799ec1728a5b12d8c7f61532012

      SHA1

      7e1711fbaa54210c19bfb54567342ee93a3f7ef2

      SHA256

      b53d8e5c63494da1bfe5b5faa0d02330d6bb8c4f22bee22d49be0b7a39e96635

      SHA512

      f06dd426dff48328e365a5d36dd3b110b30f5ab52452712a344fe5ea3d677ed32d31700fd86b374dae18c2aa1227fc169eef5e74cb9f46ef8c55dd455eac672a

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\amlcoipgxhiie.exe

      Filesize

      255KB

      MD5

      abdee7624a6257e0cff284c03d0dd954

      SHA1

      e999dc312b281d62a0d44251741be137e2e0939e

      SHA256

      a278f4100d3cd705fe9685a5be422fb97d52f96392567584331965c93d07f044

      SHA512

      aa0ee4abc6c3d3285681300b407d3e0719e5d0b3c641031dc039a65ee07d3415f733c770288fed06014c3d6f9412292d0b930dede2ab3c6cbf46ab96591393b9

    • \Windows\SysWOW64\avhhhvagpv.exe

      Filesize

      255KB

      MD5

      dd138d37f94bbb3cd40e093dba09525e

      SHA1

      f647f5803b37bcb17fd9b06533536b2491fc72b4

      SHA256

      316b5ee8ad38b2bbe8c99f9792bd8e018cfba64c745d67637c6274326ad2e7ba

      SHA512

      18ee7825edd1be42506b2c90535b689a2829809a5a19c056aa5424138f326910c05efc134f56ae9bd87bb423e93ae1fc4359692b97e911a6f92d2a9687efd2ad

    • \Windows\SysWOW64\eihxectqygjbfpm.exe

      Filesize

      255KB

      MD5

      8d8c284aa718467566cd911f45a91781

      SHA1

      1414ad1f9821ff7720ab55e76d7e0ad6d279d0f9

      SHA256

      19ce8754b56f5a57fcf8c14b023310ef37b4ca7a79c4f0f545a73ad38f8068b3

      SHA512

      a9921e86bd7ab203b0f84ef8c47e4873a2d2829a4922fe6a5a75f7885b5124b616d8357de06eda5b6d90cb91250df5a15c96eec4751b3ce8e217a5b9830e2b07

    • \Windows\SysWOW64\saglrsdz.exe

      Filesize

      255KB

      MD5

      4f757799ec1728a5b12d8c7f61532012

      SHA1

      7e1711fbaa54210c19bfb54567342ee93a3f7ef2

      SHA256

      b53d8e5c63494da1bfe5b5faa0d02330d6bb8c4f22bee22d49be0b7a39e96635

      SHA512

      f06dd426dff48328e365a5d36dd3b110b30f5ab52452712a344fe5ea3d677ed32d31700fd86b374dae18c2aa1227fc169eef5e74cb9f46ef8c55dd455eac672a

    • \Windows\SysWOW64\saglrsdz.exe

      Filesize

      255KB

      MD5

      4f757799ec1728a5b12d8c7f61532012

      SHA1

      7e1711fbaa54210c19bfb54567342ee93a3f7ef2

      SHA256

      b53d8e5c63494da1bfe5b5faa0d02330d6bb8c4f22bee22d49be0b7a39e96635

      SHA512

      f06dd426dff48328e365a5d36dd3b110b30f5ab52452712a344fe5ea3d677ed32d31700fd86b374dae18c2aa1227fc169eef5e74cb9f46ef8c55dd455eac672a

    • memory/292-82-0x0000000000000000-mapping.dmp

    • memory/292-95-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/292-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/296-77-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/296-91-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/296-56-0x0000000000000000-mapping.dmp

    • memory/892-61-0x0000000000000000-mapping.dmp

    • memory/892-78-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/892-92-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1012-89-0x000000006FD51000-0x000000006FD53000-memory.dmp

      Filesize

      8KB

    • memory/1012-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1012-88-0x00000000722D1000-0x00000000722D4000-memory.dmp

      Filesize

      12KB

    • memory/1012-101-0x0000000070D3D000-0x0000000070D48000-memory.dmp

      Filesize

      44KB

    • memory/1012-99-0x0000000070D3D000-0x0000000070D48000-memory.dmp

      Filesize

      44KB

    • memory/1012-85-0x0000000000000000-mapping.dmp

    • memory/1216-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1216-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

      Filesize

      8KB

    • memory/1216-75-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1216-76-0x0000000002320000-0x00000000023C0000-memory.dmp

      Filesize

      640KB

    • memory/1356-102-0x0000000000000000-mapping.dmp

    • memory/1484-70-0x0000000000000000-mapping.dmp

    • memory/1484-94-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1484-80-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1704-90-0x000007FEFB2F1000-0x000007FEFB2F3000-memory.dmp

      Filesize

      8KB

    • memory/2028-79-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2028-93-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2028-65-0x0000000000000000-mapping.dmp