Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251231-en
  • resource tags

    arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/01/2026, 14:28

General

  • Target
    e49c36c3b9de82ab0dfc8e3410d0389de54b21b535f972c81fe289998b52cde3.exe
  • Size 6.9MB
  • Sample260106-rtfd3shr3v
  • SHA256 e49c36c3b9de82ab0dfc8e3410d0389de54b21b535f972c81fe289998b52cde3
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • .NET Reactor proctector 64 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 use of SetThreadContext 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e49c36c3b9de82ab0dfc8e3410d0389de54b21b535f972c81fe289998b52cde3.exe
    "C:\Users\Admin\AppData\Local\Temp\e49c36c3b9de82ab0dfc8e3410d0389de54b21b535f972c81fe289998b52cde3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
        PID:2024
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          3⤵
            PID:2492
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2116
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe"
              4⤵
                PID:1660
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                4⤵
                  PID:3532
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
              2⤵
                PID:6044
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4052
            • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
              "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
              1⤵
                PID:5668
              • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                1⤵
                  PID:4092

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      A9D515A3-41B0-6D3F-64FB-78D7ECD3C0EF.txt

                      • Path C:\ProgramData\A9D515A3-41B0-6D3F-64FB-78D7ECD3C0EF.txt
                      • Size 64B
                      • SHA256 a06a52a6ec6562d18119c3421698cf5d7df43023580ea4e874eac7a08b6f325d
                      • MD5 SHA1 SHA512

                      A9D515A3-41B0-6D3F-64FB-78D7ECD3C0EF.txt

                      • Path C:\ProgramData\A9D515A3-41B0-6D3F-64FB-78D7ECD3C0EF.txt
                      • Size 64B
                      • SHA256 6195c48bc44600b89005ddc8b2248d812700226c2862a223fd3fb1a6d44a4c91
                      • MD5 SHA1 SHA512

                      E5RAnzVYj3nT

                      • Path C:\ProgramData\E5RAnzVYj3nT
                      • Size 96KB
                      • SHA256 33a2357af8dc03cc22d2b7ce5c90abf25ac8b40223155a516f1a8df4acbf2a53
                      • MD5 SHA1 SHA512 SSDEEP

                      FatgxlUgvVw0

                      • Path C:\ProgramData\FatgxlUgvVw0
                      • Size 40KB
                      • SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
                      • MD5 SHA1 SHA512 SSDEEP

                      InstallUtil.exe.log

                      • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\InstallUtil.exe.log
                      • Size 1KB
                      • SHA256 954f692df2fb645ad94c0d8a397f8a6776f13bd16d7a4974138fd0f0cb2895f3
                      • MD5 SHA1 SHA512

                      memory/4052-981-0x0000000005820000-0x0000000005896000-memory.dmp

                      memory/4052-980-0x00000000057D0000-0x0000000005820000-memory.dmp

                      memory/4052-1050-0x0000000007860000-0x000000000786A000-memory.dmp

                      memory/4052-1051-0x00000000078A0000-0x00000000078B2000-memory.dmp

                      memory/4052-978-0x0000000000400000-0x0000000000684000-memory.dmp

                      memory/4052-979-0x00000000058A0000-0x0000000005A62000-memory.dmp

                      memory/4052-1011-0x00000000077E0000-0x0000000007846000-memory.dmp

                      memory/4052-984-0x00000000064D0000-0x000000000694E000-memory.dmp

                      memory/4052-983-0x0000000005B90000-0x0000000005BAE000-memory.dmp

                      memory/4052-982-0x0000000005FA0000-0x00000000064CC000-memory.dmp

                      memory/4832-58-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-34-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-122-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-118-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-116-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-114-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-110-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-108-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-106-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-485-0x00000000062D0000-0x00000000062D1000-memory.dmp

                      memory/4832-104-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-102-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-100-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-98-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-96-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-94-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-92-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-120-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-112-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-88-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-486-0x0000000007270000-0x0000000007286000-memory.dmp

                      memory/4832-86-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-84-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-83-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-80-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-78-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-76-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-74-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-70-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-68-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-66-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-62-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-60-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-128-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-56-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-52-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-50-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-48-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-46-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-42-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-38-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-126-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-31-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-28-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-24-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-22-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-21-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-16-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-14-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-90-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-487-0x0000000007A80000-0x0000000007A96000-memory.dmp

                      memory/4832-488-0x000000000A180000-0x000000000A186000-memory.dmp

                      memory/4832-72-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-64-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-54-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-44-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-40-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-36-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-32-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-27-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-12-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-10-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-8-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-7-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-490-0x0000000006370000-0x0000000006380000-memory.dmp

                      memory/4832-973-0x0000000006370000-0x0000000006380000-memory.dmp

                      memory/4832-0-0x0000000000E40000-0x0000000001530000-memory.dmp

                      memory/4832-2-0x0000000006070000-0x0000000006102000-memory.dmp

                      memory/4832-130-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-132-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-124-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-18-0x00000000062F0000-0x000000000634B000-memory.dmp

                      memory/4832-6-0x00000000062F0000-0x000000000633E000-memory.dmp

                      memory/4832-5-0x0000000006200000-0x000000000620A000-memory.dmp

                      memory/4832-4-0x0000000006370000-0x0000000006380000-memory.dmp

                      memory/4832-1-0x0000000006620000-0x0000000006BC6000-memory.dmp

                      memory/4832-3-0x0000000006110000-0x00000000061AC000-memory.dmp

                      memory/5048-970-0x0000000005850000-0x0000000005851000-memory.dmp

                      memory/5048-491-0x0000000000400000-0x000000000059C000-memory.dmp

                      memory/5048-971-0x0000000005880000-0x0000000005890000-memory.dmp

                      memory/5048-972-0x0000000007D90000-0x0000000007DA6000-memory.dmp

                      memory/5048-974-0x0000000005880000-0x0000000005890000-memory.dmp

                      memory/5048-975-0x0000000005880000-0x0000000005890000-memory.dmp