Analysis

  • max time kernel
    30s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 02:27

General

  • Target

    b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe

  • Size

    505KB

  • MD5

    04ba890ac557cfb84aaba1523d6e3027

  • SHA1

    c7a85852f04dcdae96b92195206fd2dd5e50208b

  • SHA256

    b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48

  • SHA512

    3a16e3039c7b70a75af4467782c1b250c366d5a5a670f64f5f19843a5d40836f938fc0e619a93fca3a6472ac423897d82579aad8df06ac312a6399f95aa74e1f

  • SSDEEP

    12288:wlbI+b1gL5pRTcAkS/3hzN8qE43fm78Vx:WbI+G5jcAkSYqyEx

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 9 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe
    "C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\WINDOWS\MSWDM.EXE
      "C:\WINDOWS\MSWDM.EXE"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:3456
    • C:\WINDOWS\MSWDM.EXE
      -r!C:\Windows\dev632E.tmp!C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe! !
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Users\Admin\AppData\Local\Temp\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.EXE
        3⤵
        • Executes dropped EXE
        PID:800
      • C:\WINDOWS\MSWDM.EXE
        -e!C:\Windows\dev632E.tmp!C:\Users\Admin\AppData\Local\Temp\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.EXE!
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        PID:5040

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe

          Filesize

          505KB

          MD5

          5761559e4f8a3b6eb23b19adaa77ce03

          SHA1

          9b7497876f209b9e74df687c52e346dbf25b0e84

          SHA256

          a8c2949e0198a3c0a3b8672774a7abd7bbee08e4c937e4eea636bf8c9fe67ca2

          SHA512

          db91f61871f868fb9be38481d043d7bfb645b62322cf33b6f2c17b9de4830b1df48cfd554e9f1ca8ddadaeb9747342a371145df440a756c7c62212272a34f562

        • C:\Windows\MSWDM.EXE

          Filesize

          47KB

          MD5

          8281630c34398a6569e720407a61ca05

          SHA1

          d983308e8fe1bab035342cd8d2ddc63cd9ce1ac0

          SHA256

          8f0e45e4b02d7e47c2a82eaf263756167dbc07fb1e50eaf7f8f0b232d4d097e0

          SHA512

          483fab964c6e7899af972bc14101ef225722ff09f544ab2e2dc37f0af781c20b3a526610922c0fe2a1d7dc53ffc7ee0ee6a030bc73b1f2b35f7ea36568945187

        • C:\Windows\dev632E.tmp

          Filesize

          458KB

          MD5

          619f7135621b50fd1900ff24aade1524

          SHA1

          6c7ea8bbd435163ae3945cbef30ef6b9872a4591

          SHA256

          344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

          SHA512

          2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

        • memory/404-0-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/404-9-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2788-11-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2788-24-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3456-10-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3456-25-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/5040-21-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB