Analysis

  • user interaction
    yes
  • max time kernel
    37s
  • max time network
    67s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 12:20

Errors

Reason
Machine shutdown

General

  • Target
    ALrH2bBByHH.rar
  • Size 3.8MB
  • Sample260714-ph8kdaev8s
  • SHA256 a8cfeb1cb3cf0278093fb09d79453c77d8ffd51617a638e7b52f4271bb66d388
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\ALrH2bBByHH.rar"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\7zO4F434799\Virus NahSmi.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO4F434799\Virus NahSmi.exe"
      2⤵
      • Executes dropped EXE
      PID:4608
      • C:\Users\Admin\AppData\Roaming\Naيببشمي.exe
        "C:\Users\Admin\AppData\Roaming\Naيببشمي.exe"
        3⤵
          PID:5716
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /k reg delete HKCR /f
            4⤵
              PID:5580
              • C:\Windows\system32\reg.exe
                reg delete HKCR /f
                5⤵
                  PID:5308
            • C:\Users\Admin\AppData\Roaming\Viurs ByDRX1 ALHB Group.exe
              "C:\Users\Admin\AppData\Roaming\Viurs ByDRX1 ALHB Group.exe"
              3⤵
                PID:4964
                • C:\Users\Admin\AppData\Local\Temp\Viurs DRX1.exe
                  "C:\Users\Admin\AppData\Local\Temp\Viurs DRX1.exe"
                  4⤵
                    PID:5220
                • C:\Users\Admin\AppData\Roaming\Virus.exe
                  "C:\Users\Admin\AppData\Roaming\Virus.exe"
                  3⤵
                    PID:4944
                    • C:\Users\Admin\AppData\Local\Temp\Virus REvi DRX1.exe
                      "C:\Users\Admin\AppData\Local\Temp\Virus REvi DRX1.exe"
                      4⤵
                        PID:2840
                        • C:\Users\Admin\AppData\Local\Temp\Virus REvi DRX1.exe
                          "C:\Users\Admin\AppData\Local\Temp\Virus REvi DRX1.exe"
                          5⤵
                            PID:1564
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 1344
                              6⤵
                              • Program crash
                              PID:3132
                  • C:\Windows\system32\AUDIODG.EXE
                    C:\Windows\system32\AUDIODG.EXE 0x000000000000050C 0x0000000000000514
                    1⤵
                      PID:2736
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1564 -ip 1564
                      1⤵
                        PID:2480

                      Network

                            MITRE ATT&CK Matrix

                            Replay Monitor

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                            Downloads

                            Virus NahSmi.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\7zO4F434799\Virus NahSmi.exe
                            • Size 1.3MB
                            • SHA256 ae837e22582519086fa5634dc351ee0cf76df56b726dc2da507c9902c9baeaaa
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            sByte.dll

                            • Path C:\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\sByte.dll
                            • Size 39KB
                            • SHA256 446128f1712da8064d0197376184315cb529ed26ed9122f7b171bb208e22c0c3
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Virus REvi DRX1.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\Virus REvi DRX1.exe
                            • Size 624KB
                            • SHA256 19b6b1d30cf43db3e9527e92034a8c7ea63605f53f6c99d4279b921a87668fed
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Viurs DRX1.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\Viurs DRX1.exe
                            • Size 15KB
                            • SHA256 bbc1a25cee907ea68fa8d88bce41d2ead0fa9a1d89cc051878cd127c3b6d75ae
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Naيببشمي.exe

                            • Path C:\Users\Admin\AppData\Roaming\Naيببشمي.exe
                            • Size 11KB
                            • SHA256 f04ac677c00b615fd1feb713447308ae77bbe3607155348765e22749cb65a8c1
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Virus.exe

                            • Path C:\Users\Admin\AppData\Roaming\Virus.exe
                            • Size 921KB
                            • SHA256 2cac45c4e575e1beb4e02a697e871414bdb34c04fea12e661df4f58551857d0d
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Viurs ByDRX1 ALHB Group.exe

                            • Path C:\Users\Admin\AppData\Roaming\Viurs ByDRX1 ALHB Group.exe
                            • Size 261KB
                            • SHA256 fe62921266ea5ae5b1d2144360e1ced4bcb26e2bf76b07c1feec0c454a9ea532
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            memory/1564-70-0x0000000000400000-0x0000000000430000-memory.dmp

                            memory/1564-74-0x00000000052B0000-0x00000000052BA000-memory.dmp

                            memory/1564-73-0x00000000051F0000-0x0000000005282000-memory.dmp

                            memory/1564-72-0x00000000056C0000-0x0000000005C7A000-memory.dmp

                            memory/2840-69-0x0000000000100000-0x00000000001A2000-memory.dmp

                            memory/4608-30-0x00007FFAFD370000-0x00007FFAFDD14000-memory.dmp

                            memory/4608-39-0x00007FFAFD370000-0x00007FFAFDD14000-memory.dmp

                            memory/4608-13-0x00007FFAFD370000-0x00007FFAFDD14000-memory.dmp

                            memory/4608-49-0x00007FFAFD370000-0x00007FFAFDD14000-memory.dmp

                            memory/4608-12-0x00007FFAFD370000-0x00007FFAFDD14000-memory.dmp

                            memory/4608-52-0x00007FFAFD370000-0x00007FFAFDD14000-memory.dmp

                            memory/4608-10-0x0000000000670000-0x00000000007C6000-memory.dmp

                            memory/4608-9-0x00007FFAFD4FF000-0x00007FFAFD500000-memory.dmp

                            memory/4944-56-0x000000001AF00000-0x000000001AFA2000-memory.dmp

                            memory/4944-51-0x0000000000B30000-0x0000000000B3C000-memory.dmp

                            memory/4944-50-0x00000000001A0000-0x000000000028C000-memory.dmp

                            memory/4964-40-0x0000000000C70000-0x0000000000CB6000-memory.dmp

                            memory/5220-60-0x00000000007D0000-0x00000000007DA000-memory.dmp

                            memory/5716-26-0x0000000000870000-0x000000000087A000-memory.dmp