Overview

overview

6

Static

static

3

Loader.exe

windows11-21h2-x64

6

Resubmissions

04/06/2026, 17:31

260604-v3nnlabv216

04/06/2026, 17:30

260604-v271vabv2w6

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 17:31

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General

  • Target
    Loader.exe
  • Size 3.3MB
  • Sample260604-v3nnlabv21
  • SHA256 8c99af5e032ba20d7c1cf20079ba1b01b8d50a7bac2e642319aed69946267f22
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4528
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Loader.exe" MD5
        3⤵
          PID:4820
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:1792
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:1648
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Illusionary.lol\User\auth.json" MD5 | find /i /v "md5" | find /i /v "certutil"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3244
            • C:\Windows\system32\certutil.exe
              certutil -hashfile "C:\Illusionary.lol\User\auth.json" MD5
              3⤵
                PID:4628
              • C:\Windows\system32\find.exe
                find /i /v "md5"
                3⤵
                  PID:4860
                • C:\Windows\system32\find.exe
                  find /i /v "certutil"
                  3⤵
                    PID:2604

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    auth.json
                    • Path C:\Illusionary.lol\User\auth.json
                    • Size 2B
                    • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                    • MD5 SHA1 SHA512
                    Submit Download

                    ver4810.tmp
                    • Path C:\Users\Admin\AppData\Local\Temp\ver4810.tmp
                    • Size 5B
                    • SHA256 7a82fb868157dbb21b8ca1d160ba0fea090d378a317c97bc5c009f44432a5758
                    • MD5 SHA1 SHA512
                    Submit Download