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Analysis

  • max time kernel
    21s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    01/05/2024, 04:56

General

  • Target

    f21ccf98dc32f79b995858aef6396f60d678865717597e699c8be1fb920adb5f.exe

  • Size

    497KB

  • MD5

    1302a044621104433f3c50b46648d898

  • SHA1

    162750d2fc2491c113ab85c5e8dd2e3ce773c9ee

  • SHA256

    f21ccf98dc32f79b995858aef6396f60d678865717597e699c8be1fb920adb5f

  • SHA512

    9d43417f19e7a10b2d719ab9a97a055da1214d801651754b5bba136bb968174987c14d16bb39365b8ec689e0db09424e9ff860ba9c79c6b207ed27de9c38ec29

  • SSDEEP

    6144:J89MAPjz1gL5pRTMTTjMkId/BynSx7dEe6XwzRaktNP08NhKs39zo43fTtl1fayu:+b1gL5pRTcAkS/3hzN8qE43fm78V6

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 8 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 8 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f21ccf98dc32f79b995858aef6396f60d678865717597e699c8be1fb920adb5f.exe
    "C:\Users\Admin\AppData\Local\Temp\f21ccf98dc32f79b995858aef6396f60d678865717597e699c8be1fb920adb5f.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\WINDOWS\MSWDM.EXE
      "C:\WINDOWS\MSWDM.EXE"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2108
    • C:\WINDOWS\MSWDM.EXE
      -r!C:\Windows\dev1239.tmp!C:\Users\Admin\AppData\Local\Temp\f21ccf98dc32f79b995858aef6396f60d678865717597e699c8be1fb920adb5f.exe! !
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2924
      • C:\Users\Admin\AppData\Local\Temp\F21CCF98DC32F79B995858AEF6396F60D678865717597E699C8BE1FB920ADB5F.EXE
        3⤵
        • Executes dropped EXE
        PID:2636
      • C:\WINDOWS\MSWDM.EXE
        -e!C:\Windows\dev1239.tmp!C:\Users\Admin\AppData\Local\Temp\F21CCF98DC32F79B995858AEF6396F60D678865717597E699C8BE1FB920ADB5F.EXE!
        3⤵
        • Executes dropped EXE
        PID:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\MSWDM.EXE

    Filesize

    39KB

    MD5

    8b4aef2d7b10876bedfc2d94d5bd152f

    SHA1

    a1017d53dcb9407659fc70c27ced4da77d01f33f

    SHA256

    c23788b417a47f7862bca534efe90ca6f2240f34063dc570e32da8bc7083fc93

    SHA512

    5ce19e078e0826f064b224f7e40cc6eca7b65e10bff51fd7bca316efa7b764a9ce208f3a3b86d20bed7f4d682db2c685b4f57508cd7392957dc5473e6068048c

  • C:\Windows\dev1239.tmp

    Filesize

    458KB

    MD5

    619f7135621b50fd1900ff24aade1524

    SHA1

    6c7ea8bbd435163ae3945cbef30ef6b9872a4591

    SHA256

    344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

    SHA512

    2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

  • memory/2108-21-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2108-30-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2528-26-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2748-12-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2748-0-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2924-29-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2924-20-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB