Analysis

  • max time kernel
    146s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2024, 23:20

General

  • Target
    a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe
  • Size 232KB
  • Sample240326-3bpetaef78
  • SHA256 a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 3 IoCs
  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3088
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3476
      • C:\Users\Admin\AppData\Local\Temp\a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe
        "C:\Users\Admin\AppData\Local\Temp\a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:388
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2856
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 436
            4⤵
            • Program crash
            PID:2632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2856 -ip 2856
      1⤵
        PID:2432

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/388-0-0x0000000000400000-0x000000000043A000-memory.dmp

            memory/388-1-0x00000000024D0000-0x00000000026D0000-memory.dmp

            memory/388-2-0x0000000000500000-0x0000000000501000-memory.dmp

            memory/388-3-0x0000000000400000-0x000000000043A000-memory.dmp

            memory/388-4-0x00000000024D0000-0x00000000026D0000-memory.dmp

            memory/388-15-0x0000000000400000-0x000000000043A000-memory.dmp

            memory/388-9-0x00000000029D0000-0x00000000033D0000-memory.dmp

            memory/2856-7-0x0000000000830000-0x0000000000836000-memory.dmp

            memory/2856-10-0x0000000000830000-0x0000000000836000-memory.dmp

            memory/2856-13-0x0000000000830000-0x0000000000836000-memory.dmp

            memory/2856-12-0x0000000077B62000-0x0000000077B63000-memory.dmp

            memory/2856-19-0x0000000000830000-0x0000000000836000-memory.dmp

            memory/3088-17-0x0000000000A60000-0x0000000000A66000-memory.dmp

            memory/3088-21-0x00007FF9D09B0000-0x00007FF9D09B1000-memory.dmp

            memory/3476-8-0x00000000006E0000-0x00000000006E6000-memory.dmp

            memory/3476-11-0x00007FF9D082D000-0x00007FF9D082E000-memory.dmp

            memory/3476-6-0x00000000006E0000-0x00000000006E6000-memory.dmp