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Analysis

  • max time kernel
    2s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2024, 05:37

General

  • Target

    55a2b427564b1336a6b0045f3f057f5f.exe

  • Size

    133KB

  • MD5

    55a2b427564b1336a6b0045f3f057f5f

  • SHA1

    15c5f2b185e94a0257e5f99ef6885aad329858bf

  • SHA256

    8835997b22588e85d432a8cc2ebcbad6e087a20bae408a19b69b725ac9711d61

  • SHA512

    2995c6ea3fc5a253950c5e5e74bcd0e85ebef60b4a2a35537f64aeb9dd73553817c8c1253d7b78c2aa14ac51b52e9fd061d94732c733f7f02444cdbd8088a8bb

  • SSDEEP

    3072:eX89Cuh53J6xrxzKZRlhK8SXKc8smcO28Z+jhjzQ:W895a5q7sX8sm5+jhvQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe
    C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of UnmapMainImage
    PID:2496
  • C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe
    "C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2008
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k UnistackSvcGroup
    1⤵
      PID:908
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:5064

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/908-69-0x0000017249660000-0x0000017249661000-memory.dmp

        Filesize

        4KB

      • memory/908-70-0x0000017249660000-0x0000017249661000-memory.dmp

        Filesize

        4KB

      • memory/908-71-0x0000017249770000-0x0000017249771000-memory.dmp

        Filesize

        4KB

      • memory/908-35-0x0000017241240000-0x0000017241250000-memory.dmp

        Filesize

        64KB

      • memory/908-51-0x0000017241340000-0x0000017241350000-memory.dmp

        Filesize

        64KB

      • memory/908-67-0x0000017249630000-0x0000017249631000-memory.dmp

        Filesize

        4KB

      • memory/2008-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

        Filesize

        132KB

      • memory/2008-2-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/2008-0-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB

      • memory/2008-16-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/2496-17-0x00000000001A0000-0x00000000001C1000-memory.dmp

        Filesize

        132KB

      • memory/2496-34-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB

      • memory/2496-14-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB