Analysis

  • max time kernel
    132s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 07:36

General

  • Target

    3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0.exe

  • Size

    753KB

  • MD5

    00a90283c4144f91cca88110d9808370

  • SHA1

    4cbbf3515062b6f8fb2f1ac80919b8251d3a6681

  • SHA256

    3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0

  • SHA512

    6b6394940ac4d8ba21f12dd6ba4043245695263a089f3f4405a860d6b855831d198a064ba12562312d4df486260323da4c84e6248f18fdfc51a462ea5af06ac4

  • SSDEEP

    12288:UvfVxc9RYwqS+G2WGyq5CQsUjfzdm4hf1cV/7Fj9pLxzcoCa0VTgB2g+S0lbT:UvNxc9R/qSv2WGF5JsUrcJVpZlxYoCau

Score
9/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer Automatic Crash Recovery 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0.exe
    "C:\Users\Admin\AppData\Local\Temp\3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\ProgramData\Aonzreurn.exe
      C:\ProgramData\Aonzreurn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Modifies Internet Explorer Automatic Crash Recovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2784 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:208
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""c:\3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0.exe_And DeleteMe.bat""
      2⤵
        PID:2096

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Aonzreurn.exe

            Filesize

            753KB

            MD5

            00a90283c4144f91cca88110d9808370

            SHA1

            4cbbf3515062b6f8fb2f1ac80919b8251d3a6681

            SHA256

            3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0

            SHA512

            6b6394940ac4d8ba21f12dd6ba4043245695263a089f3f4405a860d6b855831d198a064ba12562312d4df486260323da4c84e6248f18fdfc51a462ea5af06ac4

          • C:\ProgramData\Aonzreurn.exe

            Filesize

            753KB

            MD5

            00a90283c4144f91cca88110d9808370

            SHA1

            4cbbf3515062b6f8fb2f1ac80919b8251d3a6681

            SHA256

            3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0

            SHA512

            6b6394940ac4d8ba21f12dd6ba4043245695263a089f3f4405a860d6b855831d198a064ba12562312d4df486260323da4c84e6248f18fdfc51a462ea5af06ac4

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            471B

            MD5

            0ff2da8bfc83bec6bce38ba6a3f7bf58

            SHA1

            84c37df7bed08d69f040c289676735c49a9564eb

            SHA256

            91026f24711c435d99a44884c7239ed1265cd17c0259a6c5885f69e4309421ea

            SHA512

            78afdc44d7557b2f14444182085252e8456c91289511d6f2abfd1d7273d05baba9a94206d370add716b9fc30dc326a1a2e1c78f642e926759d962cf216c3a489

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            434B

            MD5

            3443dee33f488bc7f04066b0c5a253e6

            SHA1

            12f0bccd61853db14988eeeb5e151ace867252e6

            SHA256

            298c4b7b6d5adcb6f43a8223e6103985c67026d6a4ccfc03e827aaf7b3dff852

            SHA512

            5da5cafe7610119e6ab6ee4b1d38a6f01f6949d13ad349d77aa6a199294ae54e5dc378ff34a2adba30717d9cced76e58f34fadd86f27b2ae41fdabe166de0aa2

          • C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

            Filesize

            72KB

            MD5

            f79ee77a4f30401507e6f54a61598f58

            SHA1

            7f3ef4945f621ed2880ff5a10a126957b2011a17

            SHA256

            cf8e29720823eb114fbc3018569a7296ed3e6fcd6c4897f50c5c6e0e98d0b3f8

            SHA512

            26ccde784b06c46f60fb5a105c806c4d9dc1497fd79d39728fbcfa869d470ca2ba018b0665f3cbc05019fb0766dac2eb1084a6fdce2f9aaaae881beb09dd3739

          • C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

            Filesize

            112KB

            MD5

            6d4b2e73f6f8ecff02f19f7e8ef9a8c7

            SHA1

            09c32ca167136a17fd69df8c525ea5ffeca6c534

            SHA256

            fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

            SHA512

            2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

          • C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

            Filesize

            112KB

            MD5

            6d4b2e73f6f8ecff02f19f7e8ef9a8c7

            SHA1

            09c32ca167136a17fd69df8c525ea5ffeca6c534

            SHA256

            fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

            SHA512

            2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

          • C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

            Filesize

            112KB

            MD5

            6d4b2e73f6f8ecff02f19f7e8ef9a8c7

            SHA1

            09c32ca167136a17fd69df8c525ea5ffeca6c534

            SHA256

            fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

            SHA512

            2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

          • C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

            Filesize

            112KB

            MD5

            6d4b2e73f6f8ecff02f19f7e8ef9a8c7

            SHA1

            09c32ca167136a17fd69df8c525ea5ffeca6c534

            SHA256

            fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

            SHA512

            2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

          • C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

            Filesize

            112KB

            MD5

            6d4b2e73f6f8ecff02f19f7e8ef9a8c7

            SHA1

            09c32ca167136a17fd69df8c525ea5ffeca6c534

            SHA256

            fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

            SHA512

            2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

          • C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

            Filesize

            112KB

            MD5

            6d4b2e73f6f8ecff02f19f7e8ef9a8c7

            SHA1

            09c32ca167136a17fd69df8c525ea5ffeca6c534

            SHA256

            fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

            SHA512

            2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

          • C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

            Filesize

            408KB

            MD5

            7567ba52775aa0a1a9b88d873479bd56

            SHA1

            d0e93b703c23cd77a1ac02bdaa496a0f9095cf61

            SHA256

            4ed9f5cefdd2be5427dbb94b41d8eb679a1fd9c2660d93721d06c16bb96cd5e8

            SHA512

            92eaf0809aecd11a9c508f47e04df531509ffad709109151c6c8bbcc825d24f2b726aff148b4034d49202ca499d87cccc275fcfaf9882b774d2d735e6c774d2e

          • C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

            Filesize

            408KB

            MD5

            7567ba52775aa0a1a9b88d873479bd56

            SHA1

            d0e93b703c23cd77a1ac02bdaa496a0f9095cf61

            SHA256

            4ed9f5cefdd2be5427dbb94b41d8eb679a1fd9c2660d93721d06c16bb96cd5e8

            SHA512

            92eaf0809aecd11a9c508f47e04df531509ffad709109151c6c8bbcc825d24f2b726aff148b4034d49202ca499d87cccc275fcfaf9882b774d2d735e6c774d2e

          • C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

            Filesize

            408KB

            MD5

            7567ba52775aa0a1a9b88d873479bd56

            SHA1

            d0e93b703c23cd77a1ac02bdaa496a0f9095cf61

            SHA256

            4ed9f5cefdd2be5427dbb94b41d8eb679a1fd9c2660d93721d06c16bb96cd5e8

            SHA512

            92eaf0809aecd11a9c508f47e04df531509ffad709109151c6c8bbcc825d24f2b726aff148b4034d49202ca499d87cccc275fcfaf9882b774d2d735e6c774d2e

          • \??\c:\3f2cb0f3257efde57f2a77caad7bb27701ab53a948a757a0a8e1a34f4f0f1ad0.exe_And DeleteMe.bat

            Filesize

            246B

            MD5

            0e4bb083d165943b0e3f1a5bbbfcf59d

            SHA1

            f1cb4f56a2d6540777d52ef43d701804a17762b7

            SHA256

            6f0845b7baeb3974af4fba8eca52c009824dce7c0c4fad49f93e6c3b551974d2

            SHA512

            54dcd916c55aed741685228523700bfb59d0637a86d7d775ac03606af187276cb3a3a576aad498b6f9ac0d4b633cb86d3c57a2cfd456597b14f9a56c2488787f

          • memory/2404-153-0x0000000010000000-0x0000000010129000-memory.dmp

            Filesize

            1.2MB

          • memory/2404-150-0x00000000005D0000-0x00000000005EE000-memory.dmp

            Filesize

            120KB

          • memory/2404-132-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2404-152-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2404-144-0x0000000010000000-0x0000000010129000-memory.dmp

            Filesize

            1.2MB

          • memory/4752-146-0x0000000010000000-0x0000000010129000-memory.dmp

            Filesize

            1.2MB

          • memory/4752-143-0x0000000002410000-0x000000000242E000-memory.dmp

            Filesize

            120KB

          • memory/4752-145-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/4752-155-0x0000000010000000-0x0000000010129000-memory.dmp

            Filesize

            1.2MB