Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:04

General

  • Target

    650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe

  • Size

    255KB

  • MD5

    7ca629734460580e992499971725c64b

  • SHA1

    742a6823b9366ae5f38526161f034c4da2cf63ea

  • SHA256

    650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4

  • SHA512

    9dc80fcb22aabc231f9bf835503cf548b150d676c3782dfc99104cdcd34de63e80d713353182230fd10fb6cb4ebdacda3dcf2f4de9ad998b15b920ff63b11ef0

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJx: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 6 IoCs
  • Modifies Installed Components in the registry 2 TTPs 7 IoCs
  • UPX packed file 29 IoCs

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

  • Loads dropped DLL 6 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 48 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 9 IoCs
  • Drops file in Program Files directory 12 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 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
    "C:\Users\Admin\AppData\Local\Temp\650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.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:1688
    • C:\Windows\SysWOW64\gofrkpvatl.exe
      gofrkpvatl.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:1668
      • C:\Windows\SysWOW64\gicjocqw.exe
        C:\Windows\system32\gicjocqw.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:1104
    • C:\Windows\SysWOW64\rfiljhtlpbkdkud.exe
      rfiljhtlpbkdkud.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1260
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c nytpbculqkbbl.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1232
        • C:\Windows\SysWOW64\nytpbculqkbbl.exe
          nytpbculqkbbl.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1300
    • C:\Windows\SysWOW64\gicjocqw.exe
      gicjocqw.exe
      2⤵
      • Executes dropped EXE
      PID:1764
    • C:\Windows\SysWOW64\nytpbculqkbbl.exe
      nytpbculqkbbl.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1096
    • 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:1672
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1552
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1376
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x588
      1⤵
        PID:1160
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1700
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1920
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SendNotifyMessage
        PID:1576
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:584
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:1600
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        PID:1784

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\gicjocqw.exe

        Filesize

        255KB

        MD5

        cc8d1db7e2f40d0e5c48d1af8a8a011b

        SHA1

        9297f98a3bcb9c0cbdbb1d723cc52f5727869b59

        SHA256

        ff4bcb356849d87c70993088e90a10abcf7792cfac07c65f98e1fb9181269454

        SHA512

        7895ae4f06d02c7ea4df2cfe0b9c25ecbe1db534fff6ea5d8d965eb753a931c10bfa1a83459e3fd1cecf6b0c770278f75cad134241be10d054d1cf8fcaf9b6ae

      • C:\Windows\SysWOW64\gicjocqw.exe

        Filesize

        255KB

        MD5

        cc8d1db7e2f40d0e5c48d1af8a8a011b

        SHA1

        9297f98a3bcb9c0cbdbb1d723cc52f5727869b59

        SHA256

        ff4bcb356849d87c70993088e90a10abcf7792cfac07c65f98e1fb9181269454

        SHA512

        7895ae4f06d02c7ea4df2cfe0b9c25ecbe1db534fff6ea5d8d965eb753a931c10bfa1a83459e3fd1cecf6b0c770278f75cad134241be10d054d1cf8fcaf9b6ae

      • C:\Windows\SysWOW64\gicjocqw.exe

        Filesize

        255KB

        MD5

        cc8d1db7e2f40d0e5c48d1af8a8a011b

        SHA1

        9297f98a3bcb9c0cbdbb1d723cc52f5727869b59

        SHA256

        ff4bcb356849d87c70993088e90a10abcf7792cfac07c65f98e1fb9181269454

        SHA512

        7895ae4f06d02c7ea4df2cfe0b9c25ecbe1db534fff6ea5d8d965eb753a931c10bfa1a83459e3fd1cecf6b0c770278f75cad134241be10d054d1cf8fcaf9b6ae

      • C:\Windows\SysWOW64\gofrkpvatl.exe

        Filesize

        255KB

        MD5

        38d7e080d1bcbfa5722ab221d3a8edf7

        SHA1

        78e98b69aea1f8c655afd115982858da977e0337

        SHA256

        f38fd12de8fa8f3590548db8b933dc696dfa02bcd2054f37bb0ce4a31954bdec

        SHA512

        6506af9368ae01eba18b9ed9788da932c8fec3e078531bc6fc9643d2f1b5b37445383e9d0325083cddb1bc2dad11b43791257655e5e728f39e3957148ceebede

      • C:\Windows\SysWOW64\gofrkpvatl.exe

        Filesize

        255KB

        MD5

        38d7e080d1bcbfa5722ab221d3a8edf7

        SHA1

        78e98b69aea1f8c655afd115982858da977e0337

        SHA256

        f38fd12de8fa8f3590548db8b933dc696dfa02bcd2054f37bb0ce4a31954bdec

        SHA512

        6506af9368ae01eba18b9ed9788da932c8fec3e078531bc6fc9643d2f1b5b37445383e9d0325083cddb1bc2dad11b43791257655e5e728f39e3957148ceebede

      • C:\Windows\SysWOW64\nytpbculqkbbl.exe

        Filesize

        255KB

        MD5

        be7c0192c8066a28e933efdfb1e42486

        SHA1

        786c19ea503b80b8f3a6d7471f9d8be51d0d5f06

        SHA256

        61c99498c966d6cd8dfb9d9832f20cbb2ed0b8f5443f74d7e2a7139994d1d7be

        SHA512

        630844a2c63784bbf6fc393d0a387602824969a664b6a62e676bb1defd03ef8797589d90c185557b18fe68c3c3135989b94605d72725dec393922cddce9d1db7

      • C:\Windows\SysWOW64\nytpbculqkbbl.exe

        Filesize

        255KB

        MD5

        be7c0192c8066a28e933efdfb1e42486

        SHA1

        786c19ea503b80b8f3a6d7471f9d8be51d0d5f06

        SHA256

        61c99498c966d6cd8dfb9d9832f20cbb2ed0b8f5443f74d7e2a7139994d1d7be

        SHA512

        630844a2c63784bbf6fc393d0a387602824969a664b6a62e676bb1defd03ef8797589d90c185557b18fe68c3c3135989b94605d72725dec393922cddce9d1db7

      • C:\Windows\SysWOW64\nytpbculqkbbl.exe

        Filesize

        255KB

        MD5

        be7c0192c8066a28e933efdfb1e42486

        SHA1

        786c19ea503b80b8f3a6d7471f9d8be51d0d5f06

        SHA256

        61c99498c966d6cd8dfb9d9832f20cbb2ed0b8f5443f74d7e2a7139994d1d7be

        SHA512

        630844a2c63784bbf6fc393d0a387602824969a664b6a62e676bb1defd03ef8797589d90c185557b18fe68c3c3135989b94605d72725dec393922cddce9d1db7

      • C:\Windows\SysWOW64\rfiljhtlpbkdkud.exe

        Filesize

        255KB

        MD5

        839a4c5b83cb6612c69ea4f1470d7d8b

        SHA1

        e72fbe80852aedb736853aa193a55a31591840eb

        SHA256

        668eea2fa3134973c43e5f7860740043dd6055c4614d585f5b696a23f40fcef4

        SHA512

        80ea153873c9ba08a337f53fd0ee07cfb752f9d1a1cf19bb8cda2cd7a2cde4092bd91dd9aa925accabc9e684c2bdd8228aa11d6c21717e3293345dc94178d6b9

      • C:\Windows\SysWOW64\rfiljhtlpbkdkud.exe

        Filesize

        255KB

        MD5

        839a4c5b83cb6612c69ea4f1470d7d8b

        SHA1

        e72fbe80852aedb736853aa193a55a31591840eb

        SHA256

        668eea2fa3134973c43e5f7860740043dd6055c4614d585f5b696a23f40fcef4

        SHA512

        80ea153873c9ba08a337f53fd0ee07cfb752f9d1a1cf19bb8cda2cd7a2cde4092bd91dd9aa925accabc9e684c2bdd8228aa11d6c21717e3293345dc94178d6b9

      • C:\Windows\mydoc.rtf

        Filesize

        223B

        MD5

        06604e5941c126e2e7be02c5cd9f62ec

        SHA1

        4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

        SHA256

        85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

        SHA512

        803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      • \??\PIPE\wkssvc

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • \??\PIPE\wkssvc

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • \Windows\SysWOW64\gicjocqw.exe

        Filesize

        255KB

        MD5

        cc8d1db7e2f40d0e5c48d1af8a8a011b

        SHA1

        9297f98a3bcb9c0cbdbb1d723cc52f5727869b59

        SHA256

        ff4bcb356849d87c70993088e90a10abcf7792cfac07c65f98e1fb9181269454

        SHA512

        7895ae4f06d02c7ea4df2cfe0b9c25ecbe1db534fff6ea5d8d965eb753a931c10bfa1a83459e3fd1cecf6b0c770278f75cad134241be10d054d1cf8fcaf9b6ae

      • \Windows\SysWOW64\gicjocqw.exe

        Filesize

        255KB

        MD5

        cc8d1db7e2f40d0e5c48d1af8a8a011b

        SHA1

        9297f98a3bcb9c0cbdbb1d723cc52f5727869b59

        SHA256

        ff4bcb356849d87c70993088e90a10abcf7792cfac07c65f98e1fb9181269454

        SHA512

        7895ae4f06d02c7ea4df2cfe0b9c25ecbe1db534fff6ea5d8d965eb753a931c10bfa1a83459e3fd1cecf6b0c770278f75cad134241be10d054d1cf8fcaf9b6ae

      • \Windows\SysWOW64\gofrkpvatl.exe

        Filesize

        255KB

        MD5

        38d7e080d1bcbfa5722ab221d3a8edf7

        SHA1

        78e98b69aea1f8c655afd115982858da977e0337

        SHA256

        f38fd12de8fa8f3590548db8b933dc696dfa02bcd2054f37bb0ce4a31954bdec

        SHA512

        6506af9368ae01eba18b9ed9788da932c8fec3e078531bc6fc9643d2f1b5b37445383e9d0325083cddb1bc2dad11b43791257655e5e728f39e3957148ceebede

      • \Windows\SysWOW64\nytpbculqkbbl.exe

        Filesize

        255KB

        MD5

        be7c0192c8066a28e933efdfb1e42486

        SHA1

        786c19ea503b80b8f3a6d7471f9d8be51d0d5f06

        SHA256

        61c99498c966d6cd8dfb9d9832f20cbb2ed0b8f5443f74d7e2a7139994d1d7be

        SHA512

        630844a2c63784bbf6fc393d0a387602824969a664b6a62e676bb1defd03ef8797589d90c185557b18fe68c3c3135989b94605d72725dec393922cddce9d1db7

      • \Windows\SysWOW64\nytpbculqkbbl.exe

        Filesize

        255KB

        MD5

        be7c0192c8066a28e933efdfb1e42486

        SHA1

        786c19ea503b80b8f3a6d7471f9d8be51d0d5f06

        SHA256

        61c99498c966d6cd8dfb9d9832f20cbb2ed0b8f5443f74d7e2a7139994d1d7be

        SHA512

        630844a2c63784bbf6fc393d0a387602824969a664b6a62e676bb1defd03ef8797589d90c185557b18fe68c3c3135989b94605d72725dec393922cddce9d1db7

      • \Windows\SysWOW64\rfiljhtlpbkdkud.exe

        Filesize

        255KB

        MD5

        839a4c5b83cb6612c69ea4f1470d7d8b

        SHA1

        e72fbe80852aedb736853aa193a55a31591840eb

        SHA256

        668eea2fa3134973c43e5f7860740043dd6055c4614d585f5b696a23f40fcef4

        SHA512

        80ea153873c9ba08a337f53fd0ee07cfb752f9d1a1cf19bb8cda2cd7a2cde4092bd91dd9aa925accabc9e684c2bdd8228aa11d6c21717e3293345dc94178d6b9

      • memory/1096-89-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1096-67-0x0000000000000000-mapping.dmp

      • memory/1096-105-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1104-100-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1104-109-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1104-84-0x0000000000000000-mapping.dmp

      • memory/1232-74-0x0000000000000000-mapping.dmp

      • memory/1260-104-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1260-86-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1260-60-0x0000000000000000-mapping.dmp

      • memory/1300-106-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1300-76-0x0000000000000000-mapping.dmp

      • memory/1300-91-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1376-102-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

        Filesize

        8KB

      • memory/1552-111-0x0000000000000000-mapping.dmp

      • memory/1668-103-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1668-108-0x0000000003C70000-0x0000000003D10000-memory.dmp

        Filesize

        640KB

      • memory/1668-81-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1668-56-0x0000000000000000-mapping.dmp

      • memory/1668-99-0x0000000003C70000-0x0000000003D10000-memory.dmp

        Filesize

        640KB

      • memory/1672-98-0x0000000070BFD000-0x0000000070C08000-memory.dmp

        Filesize

        44KB

      • memory/1672-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/1672-92-0x0000000000000000-mapping.dmp

      • memory/1672-107-0x0000000070BFD000-0x0000000070C08000-memory.dmp

        Filesize

        44KB

      • memory/1672-95-0x000000006FC11000-0x000000006FC13000-memory.dmp

        Filesize

        8KB

      • memory/1672-94-0x0000000072191000-0x0000000072194000-memory.dmp

        Filesize

        12KB

      • memory/1688-79-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1688-54-0x0000000075601000-0x0000000075603000-memory.dmp

        Filesize

        8KB

      • memory/1688-85-0x0000000002F50000-0x0000000002FF0000-memory.dmp

        Filesize

        640KB

      • memory/1688-93-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1688-80-0x0000000002F50000-0x0000000002FF0000-memory.dmp

        Filesize

        640KB

      • memory/1764-90-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1764-64-0x0000000000000000-mapping.dmp