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Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 05:46

General

  • Target

    f4a29c49f51c7fbcd76718566d33ee9b6b0a43c0eff1e9e8396fa0f278b9d731N.dll

  • Size

    56KB

  • MD5

    3164b48da7b98c1acc2c2ff32bf25590

  • SHA1

    d99a46a16214594ad6decbc22ef3002b53307443

  • SHA256

    f4a29c49f51c7fbcd76718566d33ee9b6b0a43c0eff1e9e8396fa0f278b9d731

  • SHA512

    4de4e788abbfd85671fae80e0f4861f72e55f11c895cdfb1b3904a1c08943d7d57ce5288804e2fa04a375d33ae6220ddc6bbad8a776c28baa4eab15d08eadf55

  • SSDEEP

    1536:1mv1kzwz1Bp27GjV3P1YI3oyzfmgszyq1d:1Pcz1j4yzf9sWkd

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4a29c49f51c7fbcd76718566d33ee9b6b0a43c0eff1e9e8396fa0f278b9d731N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4272
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4a29c49f51c7fbcd76718566d33ee9b6b0a43c0eff1e9e8396fa0f278b9d731N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Users\Admin\AppData\Local\Temp\hrlC302.tmp
        C:\Users\Admin\AppData\Local\Temp\hrlC302.tmp
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 388
          4⤵
          • Program crash
          PID:3112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4292 -ip 4292
    1⤵
      PID:4524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\hrlC302.tmp

      Filesize

      49KB

      MD5

      0429f3eae2d5db826955e38a715d4c5e

      SHA1

      92017b72ec3af3758768022e7879ca2802b03a22

      SHA256

      fc501e0e0bb0ec3a21867ff5055db3b1a3b7347cf131451a760f2a2df264fa81

      SHA512

      bf9724969fc79e913e2390f1ae2a6c6606b465dede20b4cf6c2c3c4a5da48c2e2f9403a3152eaa4539f89cea0ea62184c1f79e1e83047a91774de31522c25338

    • memory/4292-3-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/4292-5-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB