Analysis

  • max time kernel
    100s
  • max time network
    109s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30/06/2025, 17:43

General

  • Target

    f8e7945bf1f2f610dfed315fe36f32fcc7cfe51b8b9745e03499aeba6d4ba842.exe

  • Size

    32KB

  • MD5

    cdaabb480b7d3c10c6f4f451c8c08d69

  • SHA1

    667ce007c73b1d663decd86d730227569d23acbb

  • SHA256

    f8e7945bf1f2f610dfed315fe36f32fcc7cfe51b8b9745e03499aeba6d4ba842

  • SHA512

    389083da42235678a2d2b3420729fd46be6c0139b9177dc39108252cbbc24881d610e0637f12980f86c042ec79abcf0bdbac7d94610ab11269f8b0f44a6bbc31

  • SSDEEP

    768:5EW5CT2ljlL5b+n8WF6mucTqDf2KDVOPLa:5Eaj95b+n8wKcTDKDVO

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3308
      • C:\Users\Admin\AppData\Local\Temp\f8e7945bf1f2f610dfed315fe36f32fcc7cfe51b8b9745e03499aeba6d4ba842.exe
        "C:\Users\Admin\AppData\Local\Temp\f8e7945bf1f2f610dfed315fe36f32fcc7cfe51b8b9745e03499aeba6d4ba842.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4236
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 792
          3⤵
          • Program crash
          PID:2480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 800
          3⤵
          • Program crash
          PID:6072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3472 -ip 3472
      1⤵
        PID:2360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3472 -ip 3472
        1⤵
          PID:5264

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              • F:\$RECYCLE.BIN\S-1-5-21-707770698-2523217751-1187874351-1000\_desktop.ini

                Filesize

                9B

                MD5

                8d5d367ed8a2afc1fc0b8fc7d14da98c

                SHA1

                fddfad39cd8b448d0d3dbb6e9c67752999568783

                SHA256

                93740c0db50f557803e16032194380e92e586f9cd845c4543eae2c3aa97d95f6

                SHA512

                3215518f650fe697fa80054e2e7e98a55a23832309347704985d502ecf46726048291ace0a619b669726fda404c9235047a21563971a238864ee3523f5bbe96b

              • memory/3472-0-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/3472-2597-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/3472-2610-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/3472-3013-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB