Analysis

  • max time kernel
    154s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 20:59

General

  • Target

    7696a68e36b79705404dda918e91505ec64e4a443ced4aeb7df84bbe3a01c481.exe

  • Size

    255KB

  • MD5

    a1981732e7f8dd511707e7b3f5ab7711

  • SHA1

    1ef34d7b1561aba00fb338e61e02046ad073a29e

  • SHA256

    7696a68e36b79705404dda918e91505ec64e4a443ced4aeb7df84bbe3a01c481

  • SHA512

    f4a4201ea00cae54acaa45641821431ebf1992a3d61ef3194eb8b36ea8ceec1ffe2da4540a94417106128cf938b3953f57be41d280fb42b808e28f52f4838310

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJA:1xlZam+akqx6YQJXcNlEHUIQeE3mmBID

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 4 IoCs
  • UPX packed file 24 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 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 9 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 15 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7696a68e36b79705404dda918e91505ec64e4a443ced4aeb7df84bbe3a01c481.exe
    "C:\Users\Admin\AppData\Local\Temp\7696a68e36b79705404dda918e91505ec64e4a443ced4aeb7df84bbe3a01c481.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\credbdlxai.exe
      credbdlxai.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:1948
      • C:\Windows\SysWOW64\juteshpk.exe
        C:\Windows\system32\juteshpk.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:520
    • C:\Windows\SysWOW64\hhevgzsojfqfhjy.exe
      hhevgzsojfqfhjy.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:1956
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c tmisxaesxbqkl.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1204
        • C:\Windows\SysWOW64\tmisxaesxbqkl.exe
          tmisxaesxbqkl.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2024
    • C:\Windows\SysWOW64\juteshpk.exe
      juteshpk.exe
      2⤵
        PID:900

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\credbdlxai.exe

      Filesize

      255KB

      MD5

      a048c62fe289f9cfff23765fd3c9a678

      SHA1

      f2941b537ddf72c55629351a5e994a7a4c349d45

      SHA256

      13972d48409ecfae615560fbc2fdb4915fe097e6264c7ea0a0d20af00e912efa

      SHA512

      09c0ebaa3019e915e6399fcda4d78dab8dc152fd2365dd0bcb4cd188cbef4507bcaa2c272e38ed7e543d0f6e7b946f81e7db9bd40c50f6066b358c8da0505750

    • C:\Windows\SysWOW64\credbdlxai.exe

      Filesize

      255KB

      MD5

      a048c62fe289f9cfff23765fd3c9a678

      SHA1

      f2941b537ddf72c55629351a5e994a7a4c349d45

      SHA256

      13972d48409ecfae615560fbc2fdb4915fe097e6264c7ea0a0d20af00e912efa

      SHA512

      09c0ebaa3019e915e6399fcda4d78dab8dc152fd2365dd0bcb4cd188cbef4507bcaa2c272e38ed7e543d0f6e7b946f81e7db9bd40c50f6066b358c8da0505750

    • C:\Windows\SysWOW64\hhevgzsojfqfhjy.exe

      Filesize

      255KB

      MD5

      4d6230a19ec168b18709fcd38c84ac79

      SHA1

      c709b68e7fe54d23507ce3b127e50bae94875a6b

      SHA256

      4d7539f93cc7c9072c83ec0817ae5d583e0524492291fae97d12f974c82371a1

      SHA512

      a2cabcd07c3bdd90bee8cdbbf66721cf1b0e41b33d71e1a50df70912faee5f079fe19aa59d46d5276d8f01b2b547cc5a7473525fc38c41511475d038b826448a

    • C:\Windows\SysWOW64\hhevgzsojfqfhjy.exe

      Filesize

      255KB

      MD5

      4d6230a19ec168b18709fcd38c84ac79

      SHA1

      c709b68e7fe54d23507ce3b127e50bae94875a6b

      SHA256

      4d7539f93cc7c9072c83ec0817ae5d583e0524492291fae97d12f974c82371a1

      SHA512

      a2cabcd07c3bdd90bee8cdbbf66721cf1b0e41b33d71e1a50df70912faee5f079fe19aa59d46d5276d8f01b2b547cc5a7473525fc38c41511475d038b826448a

    • C:\Windows\SysWOW64\juteshpk.exe

      Filesize

      255KB

      MD5

      6d852c852d33cc003f63a616735e1e4f

      SHA1

      77d45b13429aa30bdcd91deeeeb458342c7e7b18

      SHA256

      1a47f31c71ef8397be52df987582388e01f98c4d5f8f3906fe1e04e6936a81dd

      SHA512

      8564d3c13994829dedd15ed59535db28f6a7bf85c74af47c4c791631b76755bd0e760e4c64b91a1ef5ff771546091e9a9d9f648c74bf5c5f7eade08c8a8a69b2

    • C:\Windows\SysWOW64\juteshpk.exe

      Filesize

      255KB

      MD5

      6d852c852d33cc003f63a616735e1e4f

      SHA1

      77d45b13429aa30bdcd91deeeeb458342c7e7b18

      SHA256

      1a47f31c71ef8397be52df987582388e01f98c4d5f8f3906fe1e04e6936a81dd

      SHA512

      8564d3c13994829dedd15ed59535db28f6a7bf85c74af47c4c791631b76755bd0e760e4c64b91a1ef5ff771546091e9a9d9f648c74bf5c5f7eade08c8a8a69b2

    • C:\Windows\SysWOW64\tmisxaesxbqkl.exe

      Filesize

      255KB

      MD5

      d7170bb361ac55f0f70c5a8b1b0811ef

      SHA1

      df33570c23a965c791df49b147062670a1990610

      SHA256

      73db67b978d171de2fde8b27169ff0b3d92a8f1af938381cc98b9b2bfc2280da

      SHA512

      e1f94d64a6189915b4e8ecb5d15946b8e4136ce45897972545e1135cf8cf5444ea36a24b4f9680b174b5cfa84abebb82c7b301c5ef7c4bbc0222f88accad246d

    • C:\Windows\SysWOW64\tmisxaesxbqkl.exe

      Filesize

      255KB

      MD5

      d7170bb361ac55f0f70c5a8b1b0811ef

      SHA1

      df33570c23a965c791df49b147062670a1990610

      SHA256

      73db67b978d171de2fde8b27169ff0b3d92a8f1af938381cc98b9b2bfc2280da

      SHA512

      e1f94d64a6189915b4e8ecb5d15946b8e4136ce45897972545e1135cf8cf5444ea36a24b4f9680b174b5cfa84abebb82c7b301c5ef7c4bbc0222f88accad246d

    • \Windows\SysWOW64\credbdlxai.exe

      Filesize

      255KB

      MD5

      a048c62fe289f9cfff23765fd3c9a678

      SHA1

      f2941b537ddf72c55629351a5e994a7a4c349d45

      SHA256

      13972d48409ecfae615560fbc2fdb4915fe097e6264c7ea0a0d20af00e912efa

      SHA512

      09c0ebaa3019e915e6399fcda4d78dab8dc152fd2365dd0bcb4cd188cbef4507bcaa2c272e38ed7e543d0f6e7b946f81e7db9bd40c50f6066b358c8da0505750

    • \Windows\SysWOW64\hhevgzsojfqfhjy.exe

      Filesize

      255KB

      MD5

      4d6230a19ec168b18709fcd38c84ac79

      SHA1

      c709b68e7fe54d23507ce3b127e50bae94875a6b

      SHA256

      4d7539f93cc7c9072c83ec0817ae5d583e0524492291fae97d12f974c82371a1

      SHA512

      a2cabcd07c3bdd90bee8cdbbf66721cf1b0e41b33d71e1a50df70912faee5f079fe19aa59d46d5276d8f01b2b547cc5a7473525fc38c41511475d038b826448a

    • \Windows\SysWOW64\juteshpk.exe

      Filesize

      255KB

      MD5

      6d852c852d33cc003f63a616735e1e4f

      SHA1

      77d45b13429aa30bdcd91deeeeb458342c7e7b18

      SHA256

      1a47f31c71ef8397be52df987582388e01f98c4d5f8f3906fe1e04e6936a81dd

      SHA512

      8564d3c13994829dedd15ed59535db28f6a7bf85c74af47c4c791631b76755bd0e760e4c64b91a1ef5ff771546091e9a9d9f648c74bf5c5f7eade08c8a8a69b2

    • \Windows\SysWOW64\juteshpk.exe

      Filesize

      255KB

      MD5

      6d852c852d33cc003f63a616735e1e4f

      SHA1

      77d45b13429aa30bdcd91deeeeb458342c7e7b18

      SHA256

      1a47f31c71ef8397be52df987582388e01f98c4d5f8f3906fe1e04e6936a81dd

      SHA512

      8564d3c13994829dedd15ed59535db28f6a7bf85c74af47c4c791631b76755bd0e760e4c64b91a1ef5ff771546091e9a9d9f648c74bf5c5f7eade08c8a8a69b2

    • \Windows\SysWOW64\tmisxaesxbqkl.exe

      Filesize

      255KB

      MD5

      d7170bb361ac55f0f70c5a8b1b0811ef

      SHA1

      df33570c23a965c791df49b147062670a1990610

      SHA256

      73db67b978d171de2fde8b27169ff0b3d92a8f1af938381cc98b9b2bfc2280da

      SHA512

      e1f94d64a6189915b4e8ecb5d15946b8e4136ce45897972545e1135cf8cf5444ea36a24b4f9680b174b5cfa84abebb82c7b301c5ef7c4bbc0222f88accad246d

    • memory/520-89-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/520-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1184-71-0x0000000002F10000-0x0000000002FB0000-memory.dmp

      Filesize

      640KB

    • memory/1184-55-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

      Filesize

      8KB

    • memory/1184-57-0x0000000002F10000-0x0000000002FB0000-memory.dmp

      Filesize

      640KB

    • memory/1184-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1948-70-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1948-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1956-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1956-72-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2024-81-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2024-88-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB