Analysis

  • max time kernel
    114s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 08:32

General

  • Target
    $PLUGINSDIR/bundle.exe
  • Size 1.6MB
  • Sample240408-kfsc6ada49
  • SHA256 c207ee428f0eb876e23f5b7ac859f0602aff15ac533eeb6b74262e99f3658342
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 13 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 6 IoCs
  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\bundle.exe
    "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\bundle.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\MyBabylonTB.exe
      C:\Users\Admin\AppData\Local\Temp\\MyBabylonTB.exe /aflt=babsst /babTrack="affID=112042" /srcExt=ss /instlRef=sst /S /mhp /mnt /mds
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\Setup.exe" /aflt=babsst /babTrack="affID=112042" /srcExt=ss /instlRef=sst /S /mhp /mnt /mds
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:224
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\\rundll32.exe C:\Users\Admin\AppData\Local\Temp\A558F2~1\IECOOK~1.DLL,UpdateProtectedModeCookieCache URI|http://babylon.com
          4⤵
          • Loads dropped DLL
          • Checks whether UAC is enabled
          • Modifies Internet Explorer settings
          PID:2920
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\\rundll32.exe C:\Users\Admin\AppData\Local\Temp\A558F2~1\IECOOK~1.DLL,UpdateProtectedModeCookieCache trkInfo|http://babylon.com
          4⤵
          • Loads dropped DLL
          • Checks whether UAC is enabled
          • Modifies Internet Explorer settings
          PID:5092
    • C:\Users\Admin\AppData\Local\Temp\MainInstallerAutoEmbedded.exe
      C:\Users\Admin\AppData\Local\Temp\MainInstallerAutoEmbedded.exe /PID=104 /SUB= /NOTIFY=0 /FFP=0 /SILENT=1
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Users\Admin\AppData\Local\Temp\SetupAuto.exe
        C:\Users\Admin\AppData\Local\Temp\SetupAuto.exe /PID=104 /NOTIFY=0 /FFR=1 /FFP=0 /S
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies registry class
        PID:3800
      • C:\Users\Admin\AppData\Local\Temp\SetupUpdater.exe
        C:\Users\Admin\AppData\Local\Temp\SetupUpdater.exe /S
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies Internet Explorer settings
        PID:992
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2260,i,3303482231723870786,2954015409682154873,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3752

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          BExternal.dll

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\BExternal.dll
          • Size 126KB
          • SHA256 fcee9d5c80b11b82add301e142dea2b40b05f0839ef7cd0a8b0fff84a67eccd0
          • MD5 SHA1 SHA512 SSDEEP

          BabyTBConf.ini

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\BabyTBConf.ini
          • Size 578B
          • SHA256 01d9a8959b2f795adb6cf3563640bb805b8daff3f87e6e35232ccb98c9d6aaeb
          • MD5 SHA1 SHA512

          Babylon.dat

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\Babylon.dat
          • Size 12KB
          • SHA256 7029ed42440ab0b23c76c2800871002151776f927cc77855590e79b31b96838c
          • MD5 SHA1 SHA512 SSDEEP

          blueStar.png

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\blueStar.png
          • Size 14KB
          • SHA256 008aebc73a7bd79e914db753b83a385c1aac320ebbcf4ead8fa49f74e3f30f22
          • MD5 SHA1 SHA512 SSDEEP

          eula.html

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\eula.html
          • Size 79KB
          • SHA256 f7f4148b58242a889a8694d734e49ca96bdad63d7fa5d5be130acfa9414b5cb5
          • MD5 SHA1 SHA512 SSDEEP

          globe.png

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\globe.png
          • Size 33KB
          • SHA256 3eca21891a2b484a38098410c5d8410361e91ae4dd84cb565891281145501f42
          • MD5 SHA1 SHA512 SSDEEP

          options.js

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\options.js
          • Size 119B
          • SHA256 92db8b549583a5498689a42840a282f33d734c3cb081ac6f896377e56d043252
          • MD5 SHA1 SHA512

          pBar.gif

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\pBar.gif
          • Size 3KB
          • SHA256 e512d5b772fef448f724767662e3a6374230157e35cab6f4226496acc7aa7ad3
          • MD5 SHA1 SHA512

          page0.html

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\page0.html
          • Size 1KB
          • SHA256 783a0e39d4a751462e26e4acfcf6fb4953f818980ad3d7d7fb821ac35c00c29f
          • MD5 SHA1 SHA512

          page2.css

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\page2.css
          • Size 2KB
          • SHA256 9ca3bd0f0c3ac1533fcda2e20e2fb3c18deb40986b37ae6edff594becb82405d
          • MD5 SHA1 SHA512

          page2.html

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\page2.html
          • Size 3KB
          • SHA256 abb8953ffc3818e54e86019e1920595d65ba0997f3fd7fd47480a450cd7ee485
          • MD5 SHA1 SHA512

          page2Lrg.css

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\page2Lrg.css
          • Size 1KB
          • SHA256 5d7bd6b3acb31788f12475528d51d98778f1dbc940b2d6dc6317704d17d0964d
          • MD5 SHA1 SHA512

          page3.css

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\page3.css
          • Size 1KB
          • SHA256 226a67f6e05fd889f91253158e583c443cbc7c27d29e8b441925849f820565cf
          • MD5 SHA1 SHA512

          page3.html

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\page3.html
          • Size 1KB
          • SHA256 7f2252432fff22505b6fbcce5077a9f455006f724dfa705fbc0540325a14c28c
          • MD5 SHA1 SHA512

          page3Lrg.css

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\page3Lrg.css
          • Size 977B
          • SHA256 74a9e635dc555a07820a288d0dfe05adea386292757f4cd6933ba3ce6697bef6
          • MD5 SHA1 SHA512

          progress.png

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\progress.png
          • Size 2KB
          • SHA256 eb7dbbb4b7f4020a91f5b64084fb3ce08aeac2f72be66959332041ed06b59bf5
          • MD5 SHA1 SHA512

          setup.js

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\setup.js
          • Size 13KB
          • SHA256 01d6d025c169e9c36600d097749f76f8e877846cd8733b7dd958aaea7c54884c
          • MD5 SHA1 SHA512 SSDEEP

          title.png

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\title.png
          • Size 25KB
          • SHA256 4be568ed2044e1b74bc1d61d13ce71080e5a9717ed481616a6efc1ec4c35dd0c
          • MD5 SHA1 SHA512 SSDEEP

          toolBar.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\HtmlScreens\toolBar.jpg
          • Size 19KB
          • SHA256 bc488502223b3369dd657e8bac70abc42ffde2223a0661fb507c8ec87778bca1
          • MD5 SHA1 SHA512 SSDEEP

          Setup.exe

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\Setup.exe
          • Size 1.7MB
          • SHA256 6e7425ace83127aa18a94927144f3d97870f7395606285606635c3ae591f1b52
          • MD5 SHA1 SHA512 SSDEEP

          SetupStrings.dat

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\SetupStrings.dat
          • Size 63KB
          • SHA256 31fdb44bc58ee37f01712c2e9b5f0f7c29058a6cd7f869df2f0ee6d77a552dc2
          • MD5 SHA1 SHA512 SSDEEP

          bab033.tbinst.dat

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\bab033.tbinst.dat
          • Size 236B
          • SHA256 1368324e8df1654fb9c3bcae320e982ff9f40e76e0cc118d5f507649e1ec2f2e
          • MD5 SHA1 SHA512

          bab091.norecovericon.dat

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\bab091.norecovericon.dat
          • Size 174B
          • SHA256 e58ea352c050e6353fb5b4fa32a97800298c1603489d3b47794509af6c89ec4c
          • MD5 SHA1 SHA512

          sign

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\sign
          • Size 80KB
          • SHA256 9fb7ed24ed57aebd1314119ad70fee1d74c614bfd3c8fcc85716797803de8878
          • MD5 SHA1 SHA512 SSDEEP

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2B1-BAB0-7891-AF68-E3D3C25BA649\sqlite3.dll
          • Size 508KB
          • SHA256 de818c832308b82c2fabd5d3d4339c489e6f4e9d32bb8152c0dcd8359392695f
          • MD5 SHA1 SHA512 SSDEEP

          IECOOK~1.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\A558F2~1\IECOOK~1.DLL
          • Size 5KB
          • SHA256 ccba25e2b6462f5f5646ab9c2e1f63a941b1ab7911d3e0a32a29ebb65cbda437
          • MD5 SHA1 SHA512 SSDEEP

          MainInstallerAutoEmbedded.exe

          • Path C:\Users\Admin\AppData\Local\Temp\MainInstallerAutoEmbedded.exe
          • Size 796KB
          • SHA256 e288d49f6011dcd3f893e54ceafda9b6b491543966521c483064a7df43e5bdd2
          • MD5 SHA1 SHA512 SSDEEP

          MyBabylonTB.exe

          • Path C:\Users\Admin\AppData\Local\Temp\MyBabylonTB.exe
          • Size 845KB
          • SHA256 588b7896a3712043efd9789e8bd2de35d2bcc082344f2d2cb7a90cfadc66b6d9
          • MD5 SHA1 SHA512 SSDEEP

          SetupAuto.exe

          • Path C:\Users\Admin\AppData\Local\Temp\SetupAuto.exe
          • Size 512KB
          • SHA256 f552d818f17841efb7f06803ecd2479fe5c9b2a0d3c4dad2c9d90b42e2e9d7d5
          • MD5 SHA1 SHA512 SSDEEP

          SetupUpdater.exe

          • Path C:\Users\Admin\AppData\Local\Temp\SetupUpdater.exe
          • Size 260KB
          • SHA256 7c8472e322a87d039c22e8f48ab55107508898102b17a011222b2b0da9df4790
          • MD5 SHA1 SHA512 SSDEEP

          NSISdl.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsi7437.tmp\NSISdl.dll
          • Size 14KB
          • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
          • MD5 SHA1 SHA512 SSDEEP

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsi7437.tmp\System.dll
          • Size 11KB
          • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
          • MD5 SHA1 SHA512 SSDEEP

          SimpleFC.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsu85BB.tmp\SimpleFC.dll
          • Size 175KB
          • SHA256 72f33da081b8d579f437e7aa2ba8d9cb9602270b88093ff9411ac6316b52fc6e
          • MD5 SHA1 SHA512 SSDEEP

          memory/224-120-0x0000000060900000-0x0000000060970000-memory.dmp

          memory/992-181-0x0000000002800000-0x0000000002830000-memory.dmp