Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 15:38

General

  • Target

    dbef98d9e25f35935fc7568c9bfb66fc.exe

  • Size

    84KB

  • MD5

    dbef98d9e25f35935fc7568c9bfb66fc

  • SHA1

    04356714f37f3249231ee2bee7e8f0f0ad51868a

  • SHA256

    d085472f22677ffa702c0f4c0e1b90712d0fe266ba9d26de44b02273768e94b1

  • SHA512

    c042c1fcbddb5dd0513623d7f86ec83ea78ee4f959197466860f7ec88e9ba7f00d39efcdf09efbc6eff41ee0d04ca34baf6bdcaba5f5e54219f8888c5865eb4c

  • SSDEEP

    1536:AXVyiy/GZN5pBVqR/9eZZFnBTtTJQ1ExgSdh5zlVh7NipVVYRpTlOVSvEHFNFVzI:GV2diQVM9TIPT96q

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe
    "C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe
      "C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\QDBPX.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinRAR" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\log\log.exe" /f
          4⤵
          • Adds Run key to start application
          PID:2764
      • C:\Users\Admin\AppData\Roaming\log\log.exe
        "C:\Users\Admin\AppData\Roaming\log\log.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Users\Admin\AppData\Roaming\log\log.exe
          "C:\Users\Admin\AppData\Roaming\log\log.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1020
        • C:\Users\Admin\AppData\Roaming\log\log.exe
          "C:\Users\Admin\AppData\Roaming\log\log.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Users\Admin\AppData\Roaming\log\log.exe
            "C:\Users\Admin\AppData\Roaming\log\log.exe"
            5⤵
            • Executes dropped EXE
            • Modifies system certificate store
            PID:2796

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CabDDB4.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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

          Filesize

          135B

          MD5

          0b6ffb040995a997bb860390dd143b64

          SHA1

          7fb78a49e5de643b69431b2fe68077fc9827e3b3

          SHA256

          19420c60878305768f3c509df2add0666857804a0f053b5b6b9bfed60cdd68b8

          SHA512

          47663db9555d957f22648c974b4ea4d9dbd522c74313ad2ded2bcd3a97afe4e29068a27a4264317411b0166f6132781d042e7a641b1f32b5986d2979220a7875

        • C:\Users\Admin\AppData\Local\Temp\TarDE05.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • \Users\Admin\AppData\Roaming\log\log.exe

          Filesize

          84KB

          MD5

          2b18e61f9453dae4596a06a8345bdefa

          SHA1

          79cb55ae32b56802e46c297c4d8f133bd8b6e5de

          SHA256

          69ac413091ad2fdc7db4edfc9160dad635596a4e31ec5dcd258e132a9e116cd8

          SHA512

          ac096e41597f8545395105bf402d7d8293320cbfd6c794303c2c3d6eeeefb6a480fc8b80e2b43122cc9f293370e7c0803d023deb150ae0063d27e9628d7d0bcc

        • memory/1020-928-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1020-1245-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1956-167-0x0000000002650000-0x0000000002651000-memory.dmp

          Filesize

          4KB

        • memory/1956-2-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/2168-437-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2168-443-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2168-925-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2168-1070-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2352-1062-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/2352-1085-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/2352-1066-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/2796-1083-0x0000000000400000-0x0000000000404000-memory.dmp

          Filesize

          16KB

        • memory/2796-1243-0x0000000000400000-0x0000000000404000-memory.dmp

          Filesize

          16KB