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Analysis

  • max time kernel
    151s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 13:54

General

  • Target

    NEAS.1e334e42a5d03281a176f228c9146260.exe

  • Size

    116KB

  • MD5

    1e334e42a5d03281a176f228c9146260

  • SHA1

    c4b7e7ba42030d9e60fe0049c0817a2cdec9cac3

  • SHA256

    481f96f1c2a1715ce21df43b2bbcd25a8643ce7775bfc825d954985d56bbfef9

  • SHA512

    04cb91d8a3e61457a4fab5648138f723f886bc1e70a0737c96ea545cb5bbf179e0ca18b3aa7c27428655a51edc6ba3aacf745d4bb41ad9306cf4f530e647e524

  • SSDEEP

    1536:HWmzabiro4/j2oR1y5OGQ1oIdKCnS59DYSE3UsYtmSzy50dLT:Z2oTV4CnS59UYtmgh

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.1e334e42a5d03281a176f228c9146260.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.1e334e42a5d03281a176f228c9146260.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\NEAS.1e334e42a5d03281a176f228c9146260.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.1e334e42a5d03281a176f228c9146260.exe"
      2⤵
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\INKKV.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "skypee" /t REG_SZ /d "C:\Windows\Skypee\skypee.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1048
      • C:\Windows\Skypee\skypee.exe
        "C:\Windows\Skypee\skypee.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1800
        • C:\Windows\Skypee\skypee.exe
          "C:\Windows\Skypee\skypee.exe"
          4⤵
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2124
        • C:\Windows\Skypee\skypee.exe
          "C:\Windows\Skypee\skypee.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:888
          • C:\Windows\syswow64\svchost.exe
            C:\Windows\syswow64\svchost.exe
            5⤵
            • Adds policy Run key to start application
            • Drops file in Program Files directory
            • Drops file in Windows directory
            PID:1604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\INKKV.bat

    Filesize

    121B

    MD5

    6f03830aff31995957052b694b2211a0

    SHA1

    bc98df25a4accd29643b311c106e1cdcecdec93c

    SHA256

    7ddb76d54b187f9e03639ee200536062c36abea7f2fb073ca9bccfb5acc55934

    SHA512

    f02357a8148e3f0c2e3f8f44c317c94450cbda8acd1890369ad91cd1c140089bfbfd6659702f79761e49b8b665f37667d806ccaed416c6de43e1a99d07a69175

  • C:\Users\Admin\AppData\Local\Temp\INKKV.bat

    Filesize

    121B

    MD5

    6f03830aff31995957052b694b2211a0

    SHA1

    bc98df25a4accd29643b311c106e1cdcecdec93c

    SHA256

    7ddb76d54b187f9e03639ee200536062c36abea7f2fb073ca9bccfb5acc55934

    SHA512

    f02357a8148e3f0c2e3f8f44c317c94450cbda8acd1890369ad91cd1c140089bfbfd6659702f79761e49b8b665f37667d806ccaed416c6de43e1a99d07a69175

  • C:\Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • C:\Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • C:\Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • C:\Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • C:\Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • \Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • \Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • \Windows\Skypee\skypee.exe

    Filesize

    116KB

    MD5

    b5169a00782f19216ff9e90b96cb5d9d

    SHA1

    35e65aad47ad1189fb2d093e455d6da360912cf4

    SHA256

    51a81868b87afb46fb3dbf73046f3a774a3f6a9326c3f8db8e5fac59408a7e48

    SHA512

    d392dc0f747b0e0553a91fd9bf6e2a26d924fe48d8e48bca50c76ec571f52288854ed52bac4a1bc85a7751d9446e152aa4e067b69869301afed20fbc5156a3f3

  • memory/888-1133-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/888-1135-0x0000000000020000-0x0000000000022000-memory.dmp

    Filesize

    8KB

  • memory/1604-1145-0x0000000000730000-0x0000000000738000-memory.dmp

    Filesize

    32KB

  • memory/1604-1146-0x00000000000C0000-0x00000000000C5000-memory.dmp

    Filesize

    20KB

  • memory/1604-1147-0x0000000000020000-0x0000000000025000-memory.dmp

    Filesize

    20KB

  • memory/1604-1159-0x0000000000020000-0x0000000000025000-memory.dmp

    Filesize

    20KB

  • memory/1800-613-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2124-1155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2376-34-0x00000000028B0000-0x00000000028B1000-memory.dmp

    Filesize

    4KB

  • memory/2376-155-0x0000000002C70000-0x0000000002C71000-memory.dmp

    Filesize

    4KB

  • memory/2376-191-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2376-145-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2376-137-0x0000000002F20000-0x0000000002F21000-memory.dmp

    Filesize

    4KB

  • memory/2376-123-0x0000000001E80000-0x0000000001E81000-memory.dmp

    Filesize

    4KB

  • memory/2376-113-0x0000000001E90000-0x0000000001E91000-memory.dmp

    Filesize

    4KB

  • memory/2376-105-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2376-103-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2376-80-0x0000000002A10000-0x0000000002A11000-memory.dmp

    Filesize

    4KB

  • memory/2376-72-0x0000000002A50000-0x0000000002A51000-memory.dmp

    Filesize

    4KB

  • memory/2376-62-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2376-60-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2376-52-0x0000000002D10000-0x0000000002D11000-memory.dmp

    Filesize

    4KB

  • memory/2376-44-0x0000000002860000-0x0000000002861000-memory.dmp

    Filesize

    4KB

  • memory/2376-291-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2376-4-0x0000000002920000-0x0000000002921000-memory.dmp

    Filesize

    4KB

  • memory/2376-6-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2376-193-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2376-192-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2376-90-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

    Filesize

    4KB

  • memory/2376-36-0x00000000028B0000-0x00000000028B1000-memory.dmp

    Filesize

    4KB

  • memory/2376-2-0x0000000002920000-0x0000000002921000-memory.dmp

    Filesize

    4KB

  • memory/2376-32-0x0000000002D20000-0x0000000002D21000-memory.dmp

    Filesize

    4KB

  • memory/2376-30-0x0000000002D20000-0x0000000002D21000-memory.dmp

    Filesize

    4KB

  • memory/2376-8-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2376-28-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2376-26-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2376-24-0x0000000002B20000-0x0000000002B21000-memory.dmp

    Filesize

    4KB

  • memory/2376-22-0x0000000002B20000-0x0000000002B21000-memory.dmp

    Filesize

    4KB

  • memory/2376-20-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

    Filesize

    4KB

  • memory/2376-12-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2376-18-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

    Filesize

    4KB

  • memory/2376-14-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2992-1142-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2992-558-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2992-482-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2992-477-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB