Analysis

  • max time kernel
    178s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:03

General

  • Target

    7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039.exe

  • Size

    255KB

  • MD5

    95e254528b785a7a6fd2ca0ffd60c264

  • SHA1

    677667fcdc9827c38eb5c1567b782c9154f5adae

  • SHA256

    7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039

  • SHA512

    0ef9986794a52905dbc07a1a7f6f426de15e506956d81298e94002aa1a8b80edb0a75469318c1ed4b10dc29e715c65e2fc68c122c012a6fa90248c824648b4ec

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ+:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIt

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 29 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 22 IoCs
  • Drops file in Windows directory 5 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 FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039.exe
    "C:\Users\Admin\AppData\Local\Temp\7c79ba0b8b6b54564071c59b31af97f878a4729f72309d1ec971c2c5dbb8d039.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:936
    • C:\Windows\SysWOW64\yxmrugkoxz.exe
      yxmrugkoxz.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:2004
      • C:\Windows\SysWOW64\wligxxwd.exe
        C:\Windows\system32\wligxxwd.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:1120
    • C:\Windows\SysWOW64\hkihoratjcpmxbi.exe
      hkihoratjcpmxbi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1488
    • C:\Windows\SysWOW64\wligxxwd.exe
      wligxxwd.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:1192
    • C:\Windows\SysWOW64\znpzrshxvivjf.exe
      znpzrshxvivjf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1492
    • 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:1300
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:996

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      255KB

      MD5

      253395860c531433c460dcc170847ced

      SHA1

      6dad5eac61cfe7b55d1431c3a9fe0634daaab770

      SHA256

      bd94997c637980ea9de771285864ee6584d60acf0ce6ee35257ec4d03d399c6f

      SHA512

      842fc7cbb87d52ec11fc5809f3748d53514dce421c8d04da5f1b813ebf331095883302c2ceb7bf185f4c548b03b49609c526dd5c5a59da772e42b94f34c64267

    • C:\Program Files\UninstallClear.doc.exe

      Filesize

      255KB

      MD5

      241d9f6e9372eb6e78256c126dee92af

      SHA1

      0a179282b083b39f55db5c4ac541ffa263d8bd48

      SHA256

      3b371f049d04e6cacb33aa1811380ea0d6873693e0d39733c54662ae868f4553

      SHA512

      4b8c4d3175f8195d26a009ba3c314373e75fe2935cffa2fe1132cbb6c3fcd936bb69fd57891b793a446854d24ea08204b5c093e4250a6ee2a80df44fede1a5ad

    • C:\Windows\SysWOW64\hkihoratjcpmxbi.exe

      Filesize

      255KB

      MD5

      dee58a7e42c8a53a8e75358f4f29d62c

      SHA1

      b8757c6833b65b5582aa6e2897f8abd40940866c

      SHA256

      7fbbe53e0215061d83d42779f93b1d0e6f2c0f6f548b4ac8c952dcb2d3c9f097

      SHA512

      6ea529031a35059c4c0d1c9e6cde300628478afd3fe423f26613c5f00a34406d01c8730d4fc10b4e90c493f4362ebe73b50bf83897ee5371413b6072bf5caa13

    • C:\Windows\SysWOW64\hkihoratjcpmxbi.exe

      Filesize

      255KB

      MD5

      dee58a7e42c8a53a8e75358f4f29d62c

      SHA1

      b8757c6833b65b5582aa6e2897f8abd40940866c

      SHA256

      7fbbe53e0215061d83d42779f93b1d0e6f2c0f6f548b4ac8c952dcb2d3c9f097

      SHA512

      6ea529031a35059c4c0d1c9e6cde300628478afd3fe423f26613c5f00a34406d01c8730d4fc10b4e90c493f4362ebe73b50bf83897ee5371413b6072bf5caa13

    • C:\Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      bc398bd450cfc733fe1e3f6b0c088a23

      SHA1

      f5e86d238760c4499ea1e466bbbadac96a46512b

      SHA256

      395b361b9bc06e9f9218796be28be287a694b848000ce061611527bb20fad962

      SHA512

      24cfcf8ee764f77d1aa4b5d8edaa9fefc64798b49d65a3670cfe591e1e8bfe53d2c11ba4de7b3d8ec9288efc81d90c31e6186a26d5961bc0cc8eab687d189da6

    • C:\Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      bc398bd450cfc733fe1e3f6b0c088a23

      SHA1

      f5e86d238760c4499ea1e466bbbadac96a46512b

      SHA256

      395b361b9bc06e9f9218796be28be287a694b848000ce061611527bb20fad962

      SHA512

      24cfcf8ee764f77d1aa4b5d8edaa9fefc64798b49d65a3670cfe591e1e8bfe53d2c11ba4de7b3d8ec9288efc81d90c31e6186a26d5961bc0cc8eab687d189da6

    • C:\Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      bc398bd450cfc733fe1e3f6b0c088a23

      SHA1

      f5e86d238760c4499ea1e466bbbadac96a46512b

      SHA256

      395b361b9bc06e9f9218796be28be287a694b848000ce061611527bb20fad962

      SHA512

      24cfcf8ee764f77d1aa4b5d8edaa9fefc64798b49d65a3670cfe591e1e8bfe53d2c11ba4de7b3d8ec9288efc81d90c31e6186a26d5961bc0cc8eab687d189da6

    • C:\Windows\SysWOW64\yxmrugkoxz.exe

      Filesize

      255KB

      MD5

      e678c99010f0c404548b6ad2a3e476ea

      SHA1

      6fd9ddd8622410e7509c27f1ea91116e79855cd7

      SHA256

      39242de430af0a2b3a31545dc8c098455eb217517a7edb1ce671dd26c135571f

      SHA512

      28cff9432cdf87c9fb72628da243d88e1ee98dffee600cbfe76b8a46383421ed8dee3b25f968b618a39dd3867d047cec3850c57f6cd9737e9dbb1da9b93cad82

    • C:\Windows\SysWOW64\yxmrugkoxz.exe

      Filesize

      255KB

      MD5

      e678c99010f0c404548b6ad2a3e476ea

      SHA1

      6fd9ddd8622410e7509c27f1ea91116e79855cd7

      SHA256

      39242de430af0a2b3a31545dc8c098455eb217517a7edb1ce671dd26c135571f

      SHA512

      28cff9432cdf87c9fb72628da243d88e1ee98dffee600cbfe76b8a46383421ed8dee3b25f968b618a39dd3867d047cec3850c57f6cd9737e9dbb1da9b93cad82

    • C:\Windows\SysWOW64\znpzrshxvivjf.exe

      Filesize

      255KB

      MD5

      4774f9d94b668eb706351f2b4b404c2b

      SHA1

      ba7a689a13d962f3f875bf8fc522d58d539fa4af

      SHA256

      c7fa2455e8a9a69b4caf6598fa1f8143a7cbfdadfbb498c9dcc12d5a78a9c280

      SHA512

      cc37382342b379f2239823d989f1c548fe329a67f6d7cead86ebeccdb31e536792a68bc10cfe2f8888353ad20b679b1367d332d618bdf9511c4e8c83b565ab8c

    • C:\Windows\SysWOW64\znpzrshxvivjf.exe

      Filesize

      255KB

      MD5

      4774f9d94b668eb706351f2b4b404c2b

      SHA1

      ba7a689a13d962f3f875bf8fc522d58d539fa4af

      SHA256

      c7fa2455e8a9a69b4caf6598fa1f8143a7cbfdadfbb498c9dcc12d5a78a9c280

      SHA512

      cc37382342b379f2239823d989f1c548fe329a67f6d7cead86ebeccdb31e536792a68bc10cfe2f8888353ad20b679b1367d332d618bdf9511c4e8c83b565ab8c

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \??\c:\Program Files\UninstallClear.doc.exe

      Filesize

      255KB

      MD5

      241d9f6e9372eb6e78256c126dee92af

      SHA1

      0a179282b083b39f55db5c4ac541ffa263d8bd48

      SHA256

      3b371f049d04e6cacb33aa1811380ea0d6873693e0d39733c54662ae868f4553

      SHA512

      4b8c4d3175f8195d26a009ba3c314373e75fe2935cffa2fe1132cbb6c3fcd936bb69fd57891b793a446854d24ea08204b5c093e4250a6ee2a80df44fede1a5ad

    • \Windows\SysWOW64\hkihoratjcpmxbi.exe

      Filesize

      255KB

      MD5

      dee58a7e42c8a53a8e75358f4f29d62c

      SHA1

      b8757c6833b65b5582aa6e2897f8abd40940866c

      SHA256

      7fbbe53e0215061d83d42779f93b1d0e6f2c0f6f548b4ac8c952dcb2d3c9f097

      SHA512

      6ea529031a35059c4c0d1c9e6cde300628478afd3fe423f26613c5f00a34406d01c8730d4fc10b4e90c493f4362ebe73b50bf83897ee5371413b6072bf5caa13

    • \Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      bc398bd450cfc733fe1e3f6b0c088a23

      SHA1

      f5e86d238760c4499ea1e466bbbadac96a46512b

      SHA256

      395b361b9bc06e9f9218796be28be287a694b848000ce061611527bb20fad962

      SHA512

      24cfcf8ee764f77d1aa4b5d8edaa9fefc64798b49d65a3670cfe591e1e8bfe53d2c11ba4de7b3d8ec9288efc81d90c31e6186a26d5961bc0cc8eab687d189da6

    • \Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      bc398bd450cfc733fe1e3f6b0c088a23

      SHA1

      f5e86d238760c4499ea1e466bbbadac96a46512b

      SHA256

      395b361b9bc06e9f9218796be28be287a694b848000ce061611527bb20fad962

      SHA512

      24cfcf8ee764f77d1aa4b5d8edaa9fefc64798b49d65a3670cfe591e1e8bfe53d2c11ba4de7b3d8ec9288efc81d90c31e6186a26d5961bc0cc8eab687d189da6

    • \Windows\SysWOW64\yxmrugkoxz.exe

      Filesize

      255KB

      MD5

      e678c99010f0c404548b6ad2a3e476ea

      SHA1

      6fd9ddd8622410e7509c27f1ea91116e79855cd7

      SHA256

      39242de430af0a2b3a31545dc8c098455eb217517a7edb1ce671dd26c135571f

      SHA512

      28cff9432cdf87c9fb72628da243d88e1ee98dffee600cbfe76b8a46383421ed8dee3b25f968b618a39dd3867d047cec3850c57f6cd9737e9dbb1da9b93cad82

    • \Windows\SysWOW64\znpzrshxvivjf.exe

      Filesize

      255KB

      MD5

      4774f9d94b668eb706351f2b4b404c2b

      SHA1

      ba7a689a13d962f3f875bf8fc522d58d539fa4af

      SHA256

      c7fa2455e8a9a69b4caf6598fa1f8143a7cbfdadfbb498c9dcc12d5a78a9c280

      SHA512

      cc37382342b379f2239823d989f1c548fe329a67f6d7cead86ebeccdb31e536792a68bc10cfe2f8888353ad20b679b1367d332d618bdf9511c4e8c83b565ab8c

    • memory/936-54-0x0000000076941000-0x0000000076943000-memory.dmp

      Filesize

      8KB

    • memory/936-79-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/936-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/936-80-0x00000000008A0000-0x0000000000940000-memory.dmp

      Filesize

      640KB

    • memory/996-102-0x0000000000000000-mapping.dmp

    • memory/996-103-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

      Filesize

      8KB

    • memory/1120-76-0x0000000000000000-mapping.dmp

    • memory/1120-100-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1120-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1192-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1192-65-0x0000000000000000-mapping.dmp

    • memory/1192-98-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1300-90-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1300-89-0x0000000070721000-0x0000000070723000-memory.dmp

      Filesize

      8KB

    • memory/1300-92-0x000000007170D000-0x0000000071718000-memory.dmp

      Filesize

      44KB

    • memory/1300-101-0x000000007170D000-0x0000000071718000-memory.dmp

      Filesize

      44KB

    • memory/1300-86-0x0000000000000000-mapping.dmp

    • memory/1300-105-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1300-106-0x000000007170D000-0x0000000071718000-memory.dmp

      Filesize

      44KB

    • memory/1300-88-0x0000000072CA1000-0x0000000072CA4000-memory.dmp

      Filesize

      12KB

    • memory/1488-60-0x0000000000000000-mapping.dmp

    • memory/1488-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1488-97-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1492-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1492-99-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1492-69-0x0000000000000000-mapping.dmp

    • memory/2004-96-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2004-56-0x0000000000000000-mapping.dmp

    • memory/2004-81-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB