Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2023 19:29

General

  • Target

    5ceb35fa7b3e7ca8e24248bd240395c5b3c9c3cfa16407583f73dcb4d9692fb0.exe

  • Size

    280KB

  • MD5

    16684e38b1f2fde820b8531dbcd1eed6

  • SHA1

    113944e270e5ca9498bd5cac4bff326bff8c675a

  • SHA256

    5ceb35fa7b3e7ca8e24248bd240395c5b3c9c3cfa16407583f73dcb4d9692fb0

  • SHA512

    f2a2d0e1021aab920180c698eca4677346431779abfdbe71845eae99a1eef71a8b6b3ee006ab6c181eeb1104906834ccebbf0462627d9811d52ee43f183338a1

  • SSDEEP

    6144:WXSQ8BCMis1TMrRQwy7eIeCDbFcEOkCybEaQRXr9HNdvOa:WXv8BCLocRZy7eIeyb1Okx2LIa

Score
8/10
upx

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 IoCs

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

  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 13 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:420
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Users\Admin\AppData\Local\Temp\5ceb35fa7b3e7ca8e24248bd240395c5b3c9c3cfa16407583f73dcb4d9692fb0.exe
        "C:\Users\Admin\AppData\Local\Temp\5ceb35fa7b3e7ca8e24248bd240395c5b3c9c3cfa16407583f73dcb4d9692fb0.exe"
        2⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2332
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\5ceb35fa7b3e7ca8e24248bd240395c5b3c9c3cfa16407583f73dcb4d9692fb0.exe"
          3⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:2700
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:2772
      • C:\Windows\Fonts\colorcpl.exe
        "C:\Windows\Fonts\colorcpl.exe"
        2⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2976
    • C:\Windows\Syswow64\ef6b0c53
      C:\Windows\Syswow64\ef6b0c53
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\ef6b0c53"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3032
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:3000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Fonts\colorcpl.exe

      Filesize

      84KB

      MD5

      1f6dc007eab7f6911130d729b4739a12

      SHA1

      043106b6b0852d2af6e52daea040dbe655b17eac

      SHA256

      1cc558e67815df6fe4ea9ffa7677c672890e00a79772a1a50cda503c24b71bd0

      SHA512

      9eb6e134b189ecc62c97e828d04f653e722687697a7ebbd8783cd189f681bc4d59d3ad44e37c5aa59d5f327e947495a7232dc688e0476f63adc4e35188943d94

    • C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    • C:\Windows\SysWOW64\ef6b0c53

      Filesize

      280KB

      MD5

      fb54f5e54ad36ffe404da8b5c8fa2850

      SHA1

      4d5b214dcecebfc7e8721ed11ec6a92c341e92fd

      SHA256

      c03317dca06ecd73911593466bf4b2c937fc616435dc7cd5ac461b0a593e903b

      SHA512

      249a380530b555248441f9095860aceea14fea1455199685770801226dab6aae85cdc7d5dc123ece0a25efc04f517b99377078eef8a86fe0f608440a4dfbf82d

    • C:\Windows\Syswow64\ef6b0c53

      Filesize

      280KB

      MD5

      fb54f5e54ad36ffe404da8b5c8fa2850

      SHA1

      4d5b214dcecebfc7e8721ed11ec6a92c341e92fd

      SHA256

      c03317dca06ecd73911593466bf4b2c937fc616435dc7cd5ac461b0a593e903b

      SHA512

      249a380530b555248441f9095860aceea14fea1455199685770801226dab6aae85cdc7d5dc123ece0a25efc04f517b99377078eef8a86fe0f608440a4dfbf82d

    • \Windows\Fonts\colorcpl.exe

      Filesize

      84KB

      MD5

      1f6dc007eab7f6911130d729b4739a12

      SHA1

      043106b6b0852d2af6e52daea040dbe655b17eac

      SHA256

      1cc558e67815df6fe4ea9ffa7677c672890e00a79772a1a50cda503c24b71bd0

      SHA512

      9eb6e134b189ecc62c97e828d04f653e722687697a7ebbd8783cd189f681bc4d59d3ad44e37c5aa59d5f327e947495a7232dc688e0476f63adc4e35188943d94

    • memory/420-43-0x0000000000910000-0x0000000000938000-memory.dmp

      Filesize

      160KB

    • memory/1432-137-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-135-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-19-0x0000000006DD0000-0x0000000006EC7000-memory.dmp

      Filesize

      988KB

    • memory/1432-245-0x000007FEDF980000-0x000007FEDF98A000-memory.dmp

      Filesize

      40KB

    • memory/1432-244-0x000007FEF5F20000-0x000007FEF6063000-memory.dmp

      Filesize

      1.3MB

    • memory/1432-151-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-17-0x0000000002680000-0x0000000002683000-memory.dmp

      Filesize

      12KB

    • memory/1432-117-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-154-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-113-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-121-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-149-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-147-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-18-0x0000000002680000-0x0000000002683000-memory.dmp

      Filesize

      12KB

    • memory/1432-125-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-51-0x0000000006DD0000-0x0000000006EC7000-memory.dmp

      Filesize

      988KB

    • memory/1432-119-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-16-0x0000000002680000-0x0000000002683000-memory.dmp

      Filesize

      12KB

    • memory/1432-145-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-143-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-141-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-127-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-129-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-139-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-123-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-20-0x0000000006DD0000-0x0000000006EC7000-memory.dmp

      Filesize

      988KB

    • memory/1432-133-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/1432-131-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/2092-3-0x00000000012B0000-0x000000000133E000-memory.dmp

      Filesize

      568KB

    • memory/2092-101-0x00000000012B0000-0x000000000133E000-memory.dmp

      Filesize

      568KB

    • memory/2092-77-0x00000000012B0000-0x000000000133E000-memory.dmp

      Filesize

      568KB

    • memory/2092-38-0x00000000012B0000-0x000000000133E000-memory.dmp

      Filesize

      568KB

    • memory/2332-44-0x0000000000090000-0x000000000011E000-memory.dmp

      Filesize

      568KB

    • memory/2332-0-0x0000000000090000-0x000000000011E000-memory.dmp

      Filesize

      568KB

    • memory/2332-34-0x0000000000090000-0x000000000011E000-memory.dmp

      Filesize

      568KB

    • memory/2976-36-0x0000000001C50000-0x0000000001D1B000-memory.dmp

      Filesize

      812KB

    • memory/2976-115-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

      Filesize

      4KB

    • memory/2976-114-0x0000000003140000-0x00000000031E0000-memory.dmp

      Filesize

      640KB

    • memory/2976-110-0x0000000001EB0000-0x0000000001EBF000-memory.dmp

      Filesize

      60KB

    • memory/2976-109-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

      Filesize

      4KB

    • memory/2976-108-0x0000000003140000-0x00000000031E0000-memory.dmp

      Filesize

      640KB

    • memory/2976-107-0x0000000003140000-0x00000000031E0000-memory.dmp

      Filesize

      640KB

    • memory/2976-106-0x0000000001EB0000-0x0000000001EBF000-memory.dmp

      Filesize

      60KB

    • memory/2976-105-0x0000000000910000-0x0000000000938000-memory.dmp

      Filesize

      160KB

    • memory/2976-104-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

      Filesize

      4KB

    • memory/2976-103-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

      Filesize

      4KB

    • memory/2976-100-0x0000000000910000-0x0000000000938000-memory.dmp

      Filesize

      160KB

    • memory/2976-99-0x0000000001C50000-0x0000000001D1B000-memory.dmp

      Filesize

      812KB

    • memory/2976-97-0x0000000037CA0000-0x0000000037CB0000-memory.dmp

      Filesize

      64KB

    • memory/2976-39-0x000007FEBF9C0000-0x000007FEBF9D0000-memory.dmp

      Filesize

      64KB

    • memory/2976-40-0x0000000001C50000-0x0000000001D1B000-memory.dmp

      Filesize

      812KB

    • memory/2976-153-0x0000000001EA0000-0x0000000001EB0000-memory.dmp

      Filesize

      64KB

    • memory/2976-35-0x0000000001C50000-0x0000000001D1B000-memory.dmp

      Filesize

      812KB

    • memory/2976-31-0x0000000000090000-0x0000000000093000-memory.dmp

      Filesize

      12KB

    • memory/2976-242-0x0000000003140000-0x00000000031E0000-memory.dmp

      Filesize

      640KB

    • memory/2976-243-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

      Filesize

      4KB

    • memory/2976-26-0x0000000000060000-0x0000000000061000-memory.dmp

      Filesize

      4KB

    • memory/2976-24-0x0000000000190000-0x0000000000253000-memory.dmp

      Filesize

      780KB