Analysis

  • max time kernel
    1169s
  • max time network
    1172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:21

General

  • Target
    DiscordSetup.exe
  • Size 94.6MB
  • Sample240403-x2vfvsab91
  • SHA256 ccd1b73aa774e3deefb7672629099eec167b130521b9036b553af6e46ffdbe3f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 7 IoCs

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

  • Modifies registry class 11 IoCs
  • Modifies registry key 1 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DiscordSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\DiscordSetup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\SquirrelTemp\Update.exe
      "C:\Users\Admin\AppData\Local\SquirrelTemp\Update.exe" --install .
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe
        "C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe" --squirrel-install 1.0.9039
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5092
        • C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe
          C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\discord /prefetch:7 --no-rate-limit --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\discord\Crashpad --url=https://f.a.k/e --annotation=_productName=discord --annotation=_version=1.0.9039 --annotation=plat=Win32 --annotation=prod=Electron --annotation=ver=28.2.7 --initial-client-data=0x510,0x514,0x518,0x504,0x51c,0x888800c,0x8888018,0x8888024
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4808
        • C:\Users\Admin\AppData\Local\Discord\Update.exe
          C:\Users\Admin\AppData\Local\Discord\Update.exe --createShortcut Discord.exe --setupIcon C:\Users\Admin\AppData\Local\Discord\app.ico
          4⤵
          • Executes dropped EXE
          PID:4012
        • C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe
          "C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\discord" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1900 --field-trial-handle=1904,i,18036150371004977503,17095552018272618889,262144 --enable-features=kWebSQLAccess --disable-features=CalculateNativeWinOcclusion,HardwareMediaKeyHandling,MediaSessionService,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4368
        • C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe
          "C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\discord" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --mojo-platform-channel-handle=2336 --field-trial-handle=1904,i,18036150371004977503,17095552018272618889,262144 --enable-features=kWebSQLAccess --disable-features=CalculateNativeWinOcclusion,HardwareMediaKeyHandling,MediaSessionService,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:624
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\System32\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v Discord /d "\"C:\Users\Admin\AppData\Local\Discord\Update.exe\" --processStart Discord.exe" /f
          4⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:3400
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\System32\reg.exe add HKCU\Software\Classes\Discord /ve /d "URL:Discord Protocol" /f
          4⤵
          • Modifies registry class
          • Modifies registry key
          PID:1028
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\System32\reg.exe add HKCU\Software\Classes\Discord /v "URL Protocol" /f
          4⤵
          • Modifies registry class
          • Modifies registry key
          PID:3924
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\System32\reg.exe add HKCU\Software\Classes\Discord\DefaultIcon /ve /d "\"C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe\",-1" /f
          4⤵
          • Modifies registry class
          • Modifies registry key
          PID:4940
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\System32\reg.exe add HKCU\Software\Classes\Discord\shell\open\command /ve /d "\"C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe\" --url -- \"%1\"" /f
          4⤵
          • Modifies registry class
          • Modifies registry key
          PID:4148

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Discord.exe

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\Discord.exe
        • Size 134.5MB
        • SHA256 0ee2942b11493f4947a2b1e244c34acd4f1f00b0677c91f9a07557ac84cb0774
        • MD5 SHA1 SHA512 SSDEEP

        app.ico

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\app.ico
        • Size 278KB
        • SHA256 dfcea1bea8a924252d507d0316d8cf38efc61cf1314e47dca3eb723f47d5fe43
        • MD5 SHA1 SHA512 SSDEEP

        chrome_100_percent.pak

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\chrome_100_percent.pak
        • Size 163KB
        • SHA256 b7805392bfce11118165e3a4e747ac0ca515e4e0ceadab356d685575f6aa45fb
        • MD5 SHA1 SHA512 SSDEEP

        chrome_200_percent.pak

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\chrome_200_percent.pak
        • Size 222KB
        • SHA256 fac820a98b746a04ce14ec40c7268d6a58819133972b538f9720a5363c862e32
        • MD5 SHA1 SHA512 SSDEEP

        d3dcompiler_47.dll

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\d3dcompiler_47.dll
        • Size 3.9MB
        • SHA256 2438b520ac961e38c5852779103734be373ee2b6d1e5a7a5d49248b52acc7c4d
        • MD5 SHA1 SHA512 SSDEEP

        ffmpeg.dll

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\ffmpeg.dll
        • Size 3.2MB
        • SHA256 7c1749d47f64a46b2f1e658b99083b5444f1f405da6125f10fe335059de7a10a
        • MD5 SHA1 SHA512 SSDEEP

        icudtl.dat

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\icudtl.dat
        • Size 10.2MB
        • SHA256 f5170aa2b388d23bebf98784dd488a9bcb741470384a6a9a8d7a2638d768defb
        • MD5 SHA1 SHA512 SSDEEP

        libEGL.dll

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\libEGL.dll
        • Size 376KB
        • SHA256 3eafdd2a558f1110606e4c95b5f2efac0536bb0005d5bd9f68957d3e866771c6
        • MD5 SHA1 SHA512 SSDEEP

        libGLESv2.dll

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\libGLESv2.dll
        • Size 6.4MB
        • SHA256 53cd9f341abe29b5b53c58a9060087551685385cc18bf5c8c25b54cf8773d499
        • MD5 SHA1 SHA512 SSDEEP

        en-US.pak

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\locales\en-US.pak
        • Size 428KB
        • SHA256 0db4f65e527553b9e7bee395f774cc9447971bf0b86d1728856b6c15b88207bb
        • MD5 SHA1 SHA512 SSDEEP

        resources.pak

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\resources.pak
        • Size 5.1MB
        • SHA256 546456d9a1328836a99876824f3beb7279f38403cd001515f5d9eb204939e57c
        • MD5 SHA1 SHA512 SSDEEP

        app.asar

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\resources\app.asar
        • Size 6.3MB
        • SHA256 3674c0eb2a447e6449ba819e04d493a1f4284c587739f0611a19bb4ab236ba65
        • MD5 SHA1 SHA512 SSDEEP

        build_info.json

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\resources\build_info.json
        • Size 83B
        • SHA256 415f673c0b3933f8bd08e30421b85f0d75f2f2339bd3e4a29f85fc5c7c98f457
        • MD5 SHA1 SHA512

        v8_context_snapshot.bin

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\v8_context_snapshot.bin
        • Size 631KB
        • SHA256 457167b96cf7cb9d80bf5f74976314b465439adb0563ed820be15d848f3daf66
        • MD5 SHA1 SHA512 SSDEEP

        vk_swiftshader.dll

        • Path C:\Users\Admin\AppData\Local\Discord\app-1.0.9039\vk_swiftshader.dll
        • Size 4.4MB
        • SHA256 0c75f2949da407561083ab79a3122152f69aa1ceb6d4df919fc2a277ba56c33b
        • MD5 SHA1 SHA512 SSDEEP

        Discord-1.0.9039-full.nupkg

        • Path C:\Users\Admin\AppData\Local\SquirrelTemp\Discord-1.0.9039-full.nupkg
        • Size 93.7MB
        • SHA256 41f3d369df1e1412dc5b6eabd03a0912fc94628f3c78346d4f31950925ed7b2c
        • MD5 SHA1 SHA512 SSDEEP

        RELEASES

        • Path C:\Users\Admin\AppData\Local\SquirrelTemp\RELEASES
        • Size 80B
        • SHA256 a5597ddbea7f4a6719f343e223520fe4b5385e3a9da12de043c48d7e6353c93a
        • MD5 SHA1 SHA512

        Update.exe

        • Path C:\Users\Admin\AppData\Local\SquirrelTemp\Update.exe
        • Size 1.5MB
        • SHA256 efc81c7e0c2df31b7f7d79910aa2129703d6d19771e74d0978eecd84a0f4c8ef
        • MD5 SHA1 SHA512 SSDEEP

        default.dic

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic
        • Size 2B
        • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
        • MD5 SHA1 SHA512

        memory/212-198-0x000000000FE70000-0x000000000FE78000-memory.dmp

        memory/212-200-0x00000000106D0000-0x00000000106DE000-memory.dmp

        memory/212-199-0x00000000106F0000-0x0000000010728000-memory.dmp

        memory/212-11-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

        memory/212-201-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

        memory/212-10-0x00000000744B0000-0x0000000074C60000-memory.dmp

        memory/212-9-0x00000000004D0000-0x0000000000646000-memory.dmp

        memory/212-318-0x00000000744B0000-0x0000000074C60000-memory.dmp

        memory/212-319-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

        memory/4012-225-0x0000000005020000-0x0000000005030000-memory.dmp

        memory/4012-229-0x0000000004F80000-0x0000000004FA0000-memory.dmp

        memory/4012-224-0x00000000744B0000-0x0000000074C60000-memory.dmp

        memory/4012-294-0x00000000744B0000-0x0000000074C60000-memory.dmp