Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 12:18

General

  • Target
    Adobe-Document-Large-File_rmm_v2.5.0.67_oid4e02d40f-326b-4cce-a0d6-502c2b99e72b_bidBJevs7-txkS-iM-mMo1D6A.exe
  • Size 17.1MB
  • Sample260511-pgwt7ac16j
  • SHA256 108ef7e628d7a20bd6241a5b57149e27a6061f467123eb64061975559f8f73dc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 31 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 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 62 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

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

  • System Time Discovery 1 TTPs 2 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Adobe-Document-Large-File_rmm_v2.5.0.67_oid4e02d40f-326b-4cce-a0d6-502c2b99e72b_bidBJevs7-txkS-iM-mMo1D6A.exe
    "C:\Users\Admin\AppData\Local\Temp\Adobe-Document-Large-File_rmm_v2.5.0.67_oid4e02d40f-326b-4cce-a0d6-502c2b99e72b_bidBJevs7-txkS-iM-mMo1D6A.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Windows\SysWOW64\EVENTCREATE.EXE
      "C:\Windows\system32\EVENTCREATE.EXE" /T INFORMATION /L APPLICATION /ID 100 /SO "MSP360 RMM Agent installer" /D "Begin installation."
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2148
    • C:\Windows\SysWOW64\CMD.EXE
      "C:\Windows\system32\CMD.EXE" /C move /y "C:\Users\Admin\AppData\Local\Temp\RMM Agent\install.log" "C:\Program Files\RMM Agent\"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2012
    • C:\Windows\SysWOW64\CMD.EXE
      "C:\Windows\system32\CMD.EXE" /C dotnet --list-runtimes 1> C:\Users\Admin\AppData\Local\Temp\nsq8644.tmp 2>&1
      2⤵
      • System Location Discovery: System Language Discovery
      • System Time Discovery
      • Suspicious use of WriteProcessMemory
      PID:1184
      • C:\Program Files\dotnet\dotnet.exe
        dotnet --list-runtimes
        3⤵
        • System Time Discovery
        PID:4872
    • C:\Windows\SysWOW64\CMD.EXE
      "C:\Windows\system32\CMD.EXE" /C copy "C:\Program Files\RMM Agent\install.log"+C:\Users\Admin\AppData\Local\Temp\nsq8644.tmp "C:\Program Files\RMM Agent\install.log"
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:3472
    • C:\Users\Admin\AppData\Local\Temp\nsg9FBA.tmp
      C:\Users\Admin\AppData\Local\Temp\nsg9FBA.tmp /passive /norestart
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\Temp\{845418F6-2546-4CC3-AC1B-7B23A6A407BE}\.cr\nsg9FBA.tmp
        "C:\Windows\Temp\{845418F6-2546-4CC3-AC1B-7B23A6A407BE}\.cr\nsg9FBA.tmp" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\nsg9FBA.tmp" -burn.filehandle.attached=724 -burn.filehandle.self=728 /passive /norestart
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3736
        • C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\.be\windowsdesktop-runtime-8.0.22-win-x64.exe
          "C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\.be\windowsdesktop-runtime-8.0.22-win-x64.exe" -q -burn.elevated BurnPipe.{4E9785A2-D8F5-46E9-A8B6-7A3A4E6D0C98} {527E6759-5C5C-4E06-9869-309ED90775F7} 3736
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          PID:5248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 904
          4⤵
          • Program crash
          PID:2064
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5552
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 1A2551D8EC3F68CC39978DC319F2C9ED
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5972
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7874778D4CEB47CD8CFD557C397F795B
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5848
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8470C1C1B0A7E516DAEAFE0ABE362103
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3872
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4789710471E6AC38C68B8948968F7945
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1548
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 1352DD3F0769D3E93378AA93A6146D95
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2108
  • C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe
    "C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe" /burn.runonce
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5944
    • C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe
      "C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe" /passive /norestart /burn.log.append "C:\Users\Admin\AppData\Local\Temp\Microsoft_Windows_Desktop_Runtime_-_8.0.22_(x64)_20260511135119.log"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe
        "C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe" -burn.clean.room="C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe" -burn.filehandle.attached=552 -burn.filehandle.self=568 /passive /norestart /burn.log.append "C:\Users\Admin\AppData\Local\Temp\Microsoft_Windows_Desktop_Runtime_-_8.0.22_(x64)_20260511135119.log"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4464
        • C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe
          "C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\windowsdesktop-runtime-8.0.22-win-x64.exe" -q -burn.elevated BurnPipe.{080B6F1B-76EC-43E5-9F2E-C7A7C74D0117} {DD38971F-C74A-447C-A42E-F49FE44BDB39} 4464
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          PID:1804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 880
          4⤵
          • Program crash
          PID:3188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3736 -ip 3736
    1⤵
      PID:228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4464 -ip 4464
      1⤵
        PID:2744

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e5a26e9.rbs

            • Path C:\Config.Msi\e5a26e9.rbs
            • Size 48KB
            • SHA256 30d095ea43d84fb5ccb386761670e6d7e36e99969ed6fb9b324878b7f8a6667b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e5a26ee.rbs

            • Path C:\Config.Msi\e5a26ee.rbs
            • Size 9KB
            • SHA256 448ef6896bf42e66d9a08b4e608701fa2ebef0bcd0c9396f1184db4ad5eaf303
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e5a26f3.rbs

            • Path C:\Config.Msi\e5a26f3.rbs
            • Size 11KB
            • SHA256 4c9739b60b516d48e77b3c5a9c4a5eed388c06874eaabe7b148d12cd9f353448
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e5a26f8.rbs

            • Path C:\Config.Msi\e5a26f8.rbs
            • Size 8KB
            • SHA256 c8059ab8d1d3fbcefa8f96e0a2fee0b89dff4b5da57b8c45c8532d835b7eaa68
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e5a26f9.rbf

            • Path C:\Config.Msi\e5a26f9.rbf
            • Size 143KB
            • SHA256 7ae20d0542a544b54730a5520a2c7b56dc9235be1a4dc1331763786a16fabed9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e5a26fa.rbf

            • Path C:\Config.Msi\e5a26fa.rbf
            • Size 3B
            • SHA256 13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354
            • MD5 SHA1 SHA512

            install.log

            • Path C:\Program Files\RMM Agent\install.log
            • Size 9KB
            • SHA256 155ce72d5aa19e5f2e32eb1d08b2cb1ffe3f007bf48fae2fb87811b3eeee8ef5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            install.log

            • Path C:\Program Files\RMM Agent\install.log
            • Size 9KB
            • SHA256 602072c9a12415106070cb9c87d7b26660ca86323795614f2cba6b0cc6db7806
            • MD5 SHA1 SHA512 SSDEEP TLSH

            state.rsm

            • Path C:\ProgramData\Package Cache\{a3899eef-6164-4d42-b8c3-95ae6a844821}\state.rsm
            • Size 908B
            • SHA256 44c34f30c2a9291a137da81f64d0399f2988e776efee67c812666cf97be36164
            • MD5 SHA1 SHA512 TLSH

            Microsoft_Windows_Desktop_Runtime_-_8.0.22_(x64)_20260511135119.log

            • Path C:\Users\Admin\AppData\Local\Temp\Microsoft_Windows_Desktop_Runtime_-_8.0.22_(x64)_20260511135119.log
            • Size 10KB
            • SHA256 c39f2cb88f07ed32cf02e602ee1a435bf42773a8d659c5339d56ec7deca6bdbc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft_Windows_Desktop_Runtime_-_8.0.22_(x64)_20260511135119_000_dotnet_runtime_8.0.22_win_x64.msi.log

            • Path C:\Users\Admin\AppData\Local\Temp\Microsoft_Windows_Desktop_Runtime_-_8.0.22_(x64)_20260511135119_000_dotnet_runtime_8.0.22_win_x64.msi.log
            • Size 3KB
            • SHA256 101ae8f1bfcb04f89599bda65df4b77fca8a1e687a39b556e51633b466c2b4fb
            • MD5 SHA1 SHA512 TLSH

            install.log

            • Path C:\Users\Admin\AppData\Local\Temp\RMM Agent\install.log
            • Size 8KB
            • SHA256 7ee5347ed420739917c7f9195271cb0d2c90e525b29dbe0e0e20eef6e2b2a201
            • MD5 SHA1 SHA512 SSDEEP TLSH

            nsq8644.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsq8644.tmp
            • Size 552B
            • SHA256 3a540187aba2047118a389c22152a488c215f21766cd75e59c187f7c414bddb1
            • MD5 SHA1 SHA512 TLSH

            INetC.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr49D6.tmp\INetC.dll
            • Size 21KB
            • SHA256 2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr49D6.tmp\System.dll
            • Size 10KB
            • SHA256 bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UAC.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr49D6.tmp\UAC.dll
            • Size 17KB
            • SHA256 e58884695378cf02715373928bb8ade270baf03144369463f505c3b3808cbc42
            • MD5 SHA1 SHA512 SSDEEP TLSH

            nsArray.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr49D6.tmp\nsArray.dll
            • Size 12KB
            • SHA256 81745087f193b6fa131189f4b3ee9caa93e9692e408d3955fbcb9a4ec8516e2f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            nsDialogs.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr49D6.tmp\nsDialogs.dll
            • Size 9KB
            • SHA256 4cd17f660560934a001fc8e6fdcea50383b78ca129fb236623a9666fcbd13061
            • MD5 SHA1 SHA512 SSDEEP TLSH

            nsExec.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr49D6.tmp\nsExec.dll
            • Size 6KB
            • SHA256 3b15c6e4ca42036d7424f93ea0806a2d35220d65faaf2bd2479a54258f631b55
            • MD5 SHA1 SHA512 SSDEEP TLSH

            processwork.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr49D6.tmp\processwork.dll
            • Size 231KB
            • SHA256 27329ea7002d9ce81c8e28e97a5c761922097b33cedeada4db30d2b9d505007c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI2BD4.tmp

            • Path C:\Windows\Installer\MSI2BD4.tmp
            • Size 219KB
            • SHA256 2bf33a9b9980e44d21d48f04cc6ac4eed4c68f207bd5990b7d3254a310b944ae
            • MD5 SHA1 SHA512 SSDEEP TLSH

            thm.wxl

            • Path C:\Windows\Temp\{6F508A7D-14AE-4562-B9E0-BF06F8FE8021}\.ba\1033\thm.wxl
            • Size 5KB
            • SHA256 81a68046b06e09385be8449373e7ceb9e79f7724c3cf11f0b18a4489a8d4926a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            nsg9FBA.tmp

            • Path C:\Windows\Temp\{845418F6-2546-4CC3-AC1B-7B23A6A407BE}\.cr\nsg9FBA.tmp
            • Size 608KB
            • SHA256 daa2e35615ad3b138003d150096c27dd03bd754c434657031e64c33376eddb40
            • MD5 SHA1 SHA512 SSDEEP TLSH

            bg.png

            • Path C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\.ba\bg.png
            • Size 4KB
            • SHA256 9095bf7b6baa0107b40a4a6d727215be077133a190f4ca9bd89a176842141e79
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wixstdba.dll

            • Path C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\.ba\wixstdba.dll
            • Size 190KB
            • SHA256 dcea15f3710822ffc262e62ec04cc7bbbf0f33f5d1a853609fbfb65cb6a45640
            • MD5 SHA1 SHA512 SSDEEP TLSH

            dotnet_host_8.0.22_win_x64.msi

            • Path C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\dotnet_host_8.0.22_win_x64.msi
            • Size 708KB
            • SHA256 41bee98f21575992e7a5ae1e0e499881117e62f46d722fe183016338c025ee32
            • MD5 SHA1 SHA512 SSDEEP TLSH

            dotnet_hostfxr_8.0.22_win_x64.msi

            • Path C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\dotnet_hostfxr_8.0.22_win_x64.msi
            • Size 776KB
            • SHA256 5348ead3f40fbede2047d43c8303e20b12bfc2e0bdf5ebf5020ebc3b311b28d4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            dotnet_runtime_8.0.22_win_x64.msi

            • Path C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\dotnet_runtime_8.0.22_win_x64.msi
            • Size 26.3MB
            • SHA256 efab95895aa3d5dee85b686cef9a81c613cd8bdc1cadcc9ecfe248804e96b4fc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            windowsdesktop_runtime_8.0.22_win_x64.msi

            • Path C:\Windows\Temp\{F2D30147-6A42-479F-A4CC-5F1CE40D9040}\windowsdesktop_runtime_8.0.22_win_x64.msi
            • Size 29.1MB
            • SHA256 4605b47ecf5e0512c595e2ea514985f0187765b4d80eca72c95bba40c61c38a2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/4512-34-0x0000000002A00000-0x0000000002A41000-memory.dmp