Analysis

  • max time kernel
    143s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2024 20:06

General

  • Target

    41caf7e9cfbf057564bd7d71f62eeba5.exe

  • Size

    133KB

  • MD5

    41caf7e9cfbf057564bd7d71f62eeba5

  • SHA1

    8d08b574e0f40580244327514c67f386252475c9

  • SHA256

    6582524908ff9ad23c6c38a5c959a41e7026dd5531092724e40707a52124374b

  • SHA512

    ec9fdaeea0fdad7bf6c575c7e3864ef52c35cafd0c3fd923dcb48b0ea8e68f7a5321e30727facc3b12da8b94890e191afe6e14498105beeac1e7c42d728afc5b

  • SSDEEP

    3072:/3QLwPPcRJW1HfKvAreKFRsYBdMmK8DxXs85IyFNQ:/AsPt/KUeKFSmK8xsDWNQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 5 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\41caf7e9cfbf057564bd7d71f62eeba5.exe
    "C:\Users\Admin\AppData\Local\Temp\41caf7e9cfbf057564bd7d71f62eeba5.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\41caf7e9cfbf057564bd7d71f62eeba5.exe
      C:\Users\Admin\AppData\Local\Temp\41caf7e9cfbf057564bd7d71f62eeba5.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\41caf7e9cfbf057564bd7d71f62eeba5.exe

    Filesize

    133KB

    MD5

    fb0473cb3434bca7541703a86499c5ca

    SHA1

    86d96d612218554c444376e725daf1e74234cf5d

    SHA256

    81e6e01555cf63ecd0ae57b142ab6c38ae91f27ea04d98ccac2036db54b5f9f3

    SHA512

    9456694fe46cad175f1b0e4e38796847455fde7d50a04a06237886fdc1e8d5d96643e40f250cd441be4fb42644b16e44559e05a6a331d7dda00e5b069b61f1a9

  • memory/1480-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1480-1-0x0000000001490000-0x00000000014B1000-memory.dmp

    Filesize

    132KB

  • memory/1480-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1480-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2648-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2648-16-0x00000000000D0000-0x00000000000F1000-memory.dmp

    Filesize

    132KB

  • memory/2648-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2648-25-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB