Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/05/2026, 22:37

General

  • Target
    2026-05-18_722764311d691dbd8d36fd4037b62a6b_bkransomware_elex_maze_rhadamanthys.exe
  • Size 1.6MB
  • Sample260518-2j57vsdw71
  • SHA256 9e599be8fbdf13d26f4019a230c8320e9604536950800e275a15ce568313e5d8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-18_722764311d691dbd8d36fd4037b62a6b_bkransomware_elex_maze_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-18_722764311d691dbd8d36fd4037b62a6b_bkransomware_elex_maze_rhadamanthys.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Users\Admin\AppData\Local\Temp\5jiM3xAHEJyTmhU.exe
      C:\Users\Admin\AppData\Local\Temp\5jiM3xAHEJyTmhU.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
        3⤵
          PID:1868
        • C:\ProgramData\Adobe\ARM\S\2422\AdobeARMHelper.exe
          "C:\ProgramData\Adobe\ARM\S\2422\AdobeARMHelper.exe" /ArmUpdate /MSI FOLDER:"C:\ProgramData\Adobe\ARM\S\2422" /MODE:3 /UpdateSelection:1 /PRODUCT:{291AA914-A987-4CE9-BD63-AC0A92D435E5} /VERSION:19.0 /LANG:ENU
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4840
          • C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
            "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /ArmUpdate /MSI FOLDER:"C:\ProgramData\Adobe\ARM\S\2422" /MODE:3 /UpdateSelection:1 /PRODUCT:{291AA914-A987-4CE9-BD63-AC0A92D435E5} /VERSION:19.0 /LANG:ENU
            4⤵
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:3936
      • C:\Windows\CTS.exe
        "C:\Windows\CTS.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2296
    • C:\Windows\CTS.exe
      C:\Windows\CTS.exe
      1⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2328

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ArmReport.ini

          • Path C:\ProgramData\Adobe\ARM\ArmReport.ini
          • Size 82B
          • SHA256 5a1e0a0216dd3893a738efdfc9c1bc5445e68d3939840578341f6cd08b14d815
          • MD5 SHA1 SHA512 TLSH

          AdobeARM.msi

          • Path C:\ProgramData\Adobe\ARM\S\2422\AdobeARM.msi
          • Size 1.0MB
          • SHA256 f3f339de3a391d7f8baf37009ec52a6948d769977e2f407faf46f7064a524638
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AdobeARMHelper.exe

          • Path C:\ProgramData\Adobe\ARM\S\2422\AdobeARMHelper.exe
          • Size 413KB
          • SHA256 fd115ae8ebd2f37cf1ef72f75242206cf1331c7cb258305011302e981137ee5e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RdrManifest2.msi

          • Path C:\ProgramData\Adobe\ARM\{291AA914-A987-4CE9-BD63-AC0A92D435E5}\RdrManifest2.msi
          • Size 18KB
          • SHA256 0abcb8b7c0bda3128316b3e4f4a5857e9c8194105043a0c0e9801a1a96105d01
          • MD5 SHA1 SHA512 SSDEEP TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_54359052731E413C60F1C59EABAD4E05

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_54359052731E413C60F1C59EABAD4E05
          • Size 727B
          • SHA256 66b98e7a11a1cd413412e00a24828c362b636c6d888380f2eb07ed97e42d6bbd
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_5809FDAACC125718B26BC11DC8E8116A

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_5809FDAACC125718B26BC11DC8E8116A
          • Size 727B
          • SHA256 7c7d72413b61282c420f771297fc86b41cd82c68890dd30580acf8d776dcaa14
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 21cf058e3327b5af3bc08239c6a0d31c3352d7add5bacd326fc5308bcb1c9502
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_54359052731E413C60F1C59EABAD4E05

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_54359052731E413C60F1C59EABAD4E05
          • Size 404B
          • SHA256 a254390e743405dc4ae065705dbc2b06702bade9d0bea23135b5e553736c8025
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_5809FDAACC125718B26BC11DC8E8116A

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_5809FDAACC125718B26BC11DC8E8116A
          • Size 404B
          • SHA256 75a3502f722aafafa43ed4d6ae035b55d28a847cac93356629e5abcd2903b4b6
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 3a6aa091f87e3e35daace87ac9e05ce7281e753c757d758ecb6395f3bb528c59
          • MD5 SHA1 SHA512 TLSH

          excel.exe_Rules.xml

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
          • Size 391KB
          • SHA256 9048edffa8f46173192fd67f439ef587564fea82b8eeda6465f87492fdddbe3e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Rdr32[1].htm

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5D1VRM8Q\Rdr32[1].htm
          • Size 13B
          • SHA256 b633a587c652d02386c4f16f8c6f6aab7352d97f16367c3c40576214372dd628
          • MD5 SHA1 SHA512

          5jiM3xAHEJyTmhU.exe

          • Path C:\Users\Admin\AppData\Local\Temp\5jiM3xAHEJyTmhU.exe
          • Size 1.5MB
          • SHA256 434538507c6299325a76974e90d6d876a913c39e27e815d9482bdd1e76e4679b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AdobeARM.log

          • Path C:\Users\Admin\AppData\Local\Temp\AdobeARM.log
          • Size 333B
          • SHA256 a707b0a1c5fb4f581fdc819b93e57d54395d69a23352e39fbfaf632a96f22820
          • MD5 SHA1 SHA512 TLSH

          ArmUI.ini

          • Path C:\Users\Admin\AppData\Local\Temp\ArmUI.ini
          • Size 251KB
          • SHA256 b4d4dcd9594d372d7c0c975d80ef5802c88502895ed4b8a26ca62e225f2f18b0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ReportUpdaterPolicy2422.txt

          • Path C:\Users\Admin\AppData\Local\Temp\ReportUpdaterPolicy2422.txt
          • Size 4B
          • SHA256 69bf0bc46f51b33377c4f3d92caf876714f6bbbe99e7544487327920873f9820
          • MD5 SHA1 SHA512

          Tmp9B8F.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tmp9B8F.tmp
          • Size 5KB
          • SHA256 aaaced351a90b2029c44c6ebb68084a331f296a0ace8115d9889f549d596564b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TmpB3EC.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TmpB3EC.tmp
          • Size 5KB
          • SHA256 27ead591d4c7f8fadd0d9e5d32eb6c9bf8830f83fddf83ddd47e6b3b413f5b75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TmpB489.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TmpB489.tmp
          • Size 3KB
          • SHA256 dcc9d2695125406282ba990fec39403c44b12964acf51b5e0dc7f2080d714398
          • MD5 SHA1 SHA512 TLSH

          TmpBBCD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TmpBBCD.tmp
          • Size 5KB
          • SHA256 e6bcbcb70401d63ff0746fcbcc63230269058736f7644151393edfdcec8b8765
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TmpF406.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TmpF406.tmp
          • Size 5KB
          • SHA256 a86ac1b119a6653e0c3fc24c2c40e44a7bfdc435fd81c4442af9d5526ef64e85
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CTS.exe

          • Path C:\Windows\CTS.exe
          • Size 71KB
          • SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ArmReport.ini

          • Path C:\Windows\Temp\ArmReport.ini
          • Size 472B
          • SHA256 9d7407b8bcd4af6820eae7da00db7598246d0f58dc502ef3c89aacbd9cc8a104
          • MD5 SHA1 SHA512 TLSH

          ArmReport.ini

          • Path C:\Windows\Temp\ArmReport.ini
          • Size 594B
          • SHA256 6b1bed1fa21d7c0e263368370908c45833a12819d8133a2ad14c8b74972c675a
          • MD5 SHA1 SHA512 TLSH

          ArmReport.ini

          • Path C:\Windows\Temp\ArmReport.ini
          • Size 724B
          • SHA256 75c515a974331642bba2005b0d0764cde29ffd6ac526a700e27b9de049c0c6bc
          • MD5 SHA1 SHA512 TLSH

          ArmUI.ini

          • Path C:\Windows\Temp\ArmUI.ini
          • Size 234KB
          • SHA256 790b06745f32e0f56a7af24c871ffce225ba05ebf0d8f8a71a00c727c97dcf09
          • MD5 SHA1 SHA512 SSDEEP TLSH