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Analysis

  • max time kernel
    19s
  • max time network
    19s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2023, 18:47

General

  • Target

    stub.exe

  • Size

    710KB

  • MD5

    bf5fcbabc2edf3aa9a853b74395c28fa

  • SHA1

    617b06e80c213488821120e8e13548dac27f5bad

  • SHA256

    32062148ba84ad69900465df7210ae50ba926e4fe7c1018161dcaf46c37674ac

  • SHA512

    c10d2308fae01cd7738d64e3f80a280a07d8057d8864ee22ea5aa616383bc95960aaf33752bc70730331080336e14df8ac6ccf55507dffb843d7e5e5085f9576

  • SSDEEP

    12288:6pilULcLnGlKVqbX4TqwliAheYeJR3Jz2XbcPVPellbrV3rO5OmrsCL:XULOnG0VSPbYeJRZz2QPVylNbO/s

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
      PID:3548
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3548 -s 148
        2⤵
        • Program crash
        PID:1664
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4376
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 456 -p 3548 -ip 3548
      1⤵
        PID:3768

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3548-133-0x0000000140000000-0x00000001400AA000-memory.dmp

        Filesize

        680KB

      • memory/4376-135-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-137-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-139-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-145-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-146-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-147-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-148-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-149-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-150-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB

      • memory/4376-151-0x000002336C5E0000-0x000002336C5E1000-memory.dmp

        Filesize

        4KB