Analysis

  • user interaction
    yes
  • max time kernel
    56s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 15:55

General

  • Target
    ARMS_0.03_TL1.7z
  • Size 18.4MB
  • Sample261030-tcszyseh69
  • SHA256 3fc6a3c50c08065c02aabe5e1e5d1e63d28738ed8076ed4826c0e02057476e1f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • HTTP links in PDF interactive object 1 IoCs

    Detects HTTP links in interactive objects within PDF files.

  • System Location Discovery: System Language Discovery 1 TTPs 9 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\ARMS_0.03_TL1.7z"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3256
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2092
    • C:\Users\Admin\Desktop\ARMS 0.03 TL1\Game.exe
      "C:\Users\Admin\Desktop\ARMS 0.03 TL1\Game.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2664
    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\Desktop\ARMS 0.03 TL1\0 TL readme.pdf"
      1⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4120
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2330ADDB2F79FA67B567B6CEF761BB69 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1424
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=7029C9C9D575E039798CA7B0D53D05EF --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=7029C9C9D575E039798CA7B0D53D05EF --renderer-client-id=2 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job /prefetch:1
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1900
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BB94C319A6F35203A3AC4722A8DB29FD --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2000
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CDD29818FBCDC55AC8C2A09222940942 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=CDD29818FBCDC55AC8C2A09222940942 --renderer-client-id=5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
          3⤵
          • System Location Discovery: System Language Discovery
          PID:696
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=EF42580A1A887FF48BAFB78E8931C9DC --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3928
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F1F18448206C3DCEB1CF2F0CB7E8C4C9 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3116

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          ES_session_storek

          • Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\Security\ES_session_storek
          • Size 264B
          • SHA256 ddb53285789034c6a672088d2bbb6150777c0150d813d2373584e4d702822f69
          • MD5 SHA1 SHA512 TLSH

          0 TL readme.pdf

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\0 TL readme.pdf
          • Size 49KB
          • SHA256 bb56835c83520d3ef8802b954419cd71d1a4257fc07cb9aee7b2a50cf32702e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ta_ta_butya04.mp3

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\Audio\SE\ta_ta_butya04.mp3
          • Size 7KB
          • SHA256 0ca489ff2184241ecd22d06f50145c974784b5ecbe423fc466735a09f5c0e437
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Game.exe

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\Game.exe
          • Size 137KB
          • SHA256 e5435c0e86a8181a3d88206d5dd47145f2aa768afcae6d8c2ae449f8601a8724
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Game.ini

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\Game.ini
          • Size 92B
          • SHA256 84da0e7d67a32404f0e11b004c80528525eefa4489b72a6ff42f26c86f2d0ea4
          • MD5 SHA1 SHA512 TLSH

          アームズ2すけ1.png

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\Graphics\Pictures\アームズ2すけ1.png
          • Size 229KB
          • SHA256 5729299703670abc15de5d4ac52a7209f6f770904893ef477640c3a64289b966
          • MD5 SHA1 SHA512 SSDEEP TLSH

          アームズ2すけ2.png

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\Graphics\Pictures\アームズ2すけ2.png
          • Size 237KB
          • SHA256 c4d17ff328286dc4861c7357d080980ff01e298641ae3fda781e4f80ec14abc9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          アームズ4-A3.png

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\Graphics\Pictures\アームズ4-A3.png
          • Size 205KB
          • SHA256 42dc3c7b2e290f457305180e72ac94bad8a0b3881d3bda1ec83c983988805a76
          • MD5 SHA1 SHA512 SSDEEP TLSH

          アームズ4-A6.png

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\Graphics\Pictures\アームズ4-A6.png
          • Size 300KB
          • SHA256 7efdefc4ec05c1d00b85d96c7167545d0653dc7295a122502e482e2d72e89b7f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RGSS301.dll

          • Path C:\Users\Admin\Desktop\ARMS 0.03 TL1\System\RGSS301.dll
          • Size 1.0MB
          • SHA256 27647690ed16218cd988dd71069fdca67207515b2a2df775be361f0198ab6876
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2664-455-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-449-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-445-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-444-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-443-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-442-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-441-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-440-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-454-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-456-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-438-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-453-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-452-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-451-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-450-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-446-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-448-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-447-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-457-0x0000000010000000-0x0000000010324000-memory.dmp

          memory/2664-459-0x0000000003E40000-0x0000000003E41000-memory.dmp

          memory/2664-458-0x0000000003DF0000-0x0000000003DF4000-memory.dmp

          memory/2664-464-0x0000000000960000-0x0000000000961000-memory.dmp

          memory/2664-467-0x0000000003DE0000-0x0000000003DE1000-memory.dmp

          memory/2664-466-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          memory/2664-463-0x0000000000940000-0x0000000000941000-memory.dmp

          memory/2664-462-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-461-0x0000000003E40000-0x0000000003E41000-memory.dmp

          memory/2664-460-0x0000000003E50000-0x0000000003E51000-memory.dmp

          memory/2664-465-0x0000000003E10000-0x0000000003E11000-memory.dmp

          memory/2664-469-0x0000000010000000-0x0000000010324000-memory.dmp

          memory/2664-439-0x0000000003E00000-0x0000000003E01000-memory.dmp

          memory/2664-437-0x0000000010000000-0x0000000010324000-memory.dmp