Analysis

  • max time kernel
    107s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2024, 12:22

General

  • Target
    Bootstrapper.23.exe
  • Size 693KB
  • Sample241213-pkeebazmgr
  • SHA256 6e26cd89db50b9edaa16d472dd81b869a014ef5b48f9beddf2b7cd682649f402
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • discordrat

Attributes
  • discord_token

    MTMxMzEyNzU0NTc5MjYyNjcwOA.Gkk18Z.4N0_jmiIDKcoLtOmWe4t37gYWyEtG0NPmEV7c4

  • server_id

    1287346091842342942

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Discordrat family
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 21 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.23.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.23.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.23.exe
      "C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.23.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:756
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c ipconfig /all
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Windows\system32\ipconfig.exe
          ipconfig /all
          4⤵
          • Gathers network information
          PID:2408
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4064
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4592
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4824
      • C:\ProgramData\Solara\Solara.exe
        "C:\ProgramData\Solara\Solara.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3972
    • C:\Users\Admin\AppData\Local\Temp\bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:540
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • 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:4556
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 2A62C6AD1CFA6B7078A7F9CD5FE5B0DE
      2⤵
      • Loads dropped DLL
      PID:4536
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2BF002FD2BC1AA7FE4CCA37EA2E77743
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1060
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F60CD484139EE2572EDF725D5F1B51BA E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Windows\SysWOW64\wevtutil.exe
        "wevtutil.exe" im "C:\Program Files\nodejs\node_etw_provider.man"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3428
        • C:\Windows\System32\wevtutil.exe
          "wevtutil.exe" im "C:\Program Files\nodejs\node_etw_provider.man" /fromwow64
          4⤵
            PID:220

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e57ce01.rbs

          • Path C:\Config.Msi\e57ce01.rbs
          • Size 1.0MB
          • SHA256 6b6afa00c5f89d2d61a17d76c30005ce43563ac13bff789944fb76decc995ee8
          • MD5 SHA1 SHA512 SSDEEP

          node_etw_provider.man

          • Path C:\Program Files\nodejs\node_etw_provider.man
          • Size 10KB
          • SHA256 1975aa34c1050b8364491394cebf6e668e2337c3107712e3eeca311262c7c46f
          • MD5 SHA1 SHA512 SSDEEP

          node_etw_provider.man

          • Path C:\Program Files\nodejs\node_etw_provider.man
          • Size 8KB
          • SHA256 1185aaa5af804c6bc6925f5202e68bb2254016509847cd382a015907440d86b4
          • MD5 SHA1 SHA512 SSDEEP

          LICENSE.md

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\LICENSE.md
          • Size 818B
          • SHA256 733dcbf5b1c95dc765b76db969b998ce0cbb26f01be2e55e7bccd6c7af29cb04
          • MD5 SHA1 SHA512

          license

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\aggregate-error\license
          • Size 1KB
          • SHA256 67292c32894c8ac99db06ffa1cb8e9a5171ef988120723ebe673bf76712260ec
          • MD5 SHA1 SHA512

          LICENSE

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\bin-links\LICENSE
          • Size 754B
          • SHA256 45e433413760dc3ae8169be5ed9c2c77adc31ad4d1bc5a28939576df240f29a0
          • MD5 SHA1 SHA512

          LICENSE.md

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\libnpmhook\LICENSE.md
          • Size 771B
          • SHA256 b49c8d25a8b57fa92b2902d09c4b8a809157ee32fc10d17b7dbb43c4a8038f79
          • MD5 SHA1 SHA512

          LICENSE

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\libnpmorg\LICENSE
          • Size 730B
          • SHA256 2ef361317adeda98117f14c5110182c28eae233af1f7050c83d4396961d14013
          • MD5 SHA1 SHA512

          package.json

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\minipass-pipeline\node_modules\minipass\package.json
          • Size 1KB
          • SHA256 c3052bd85910be313e38ad355528d527b565e70ef15a784db3279649eee2ded5
          • MD5 SHA1 SHA512

          LICENSE

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\minizlib\node_modules\minipass\LICENSE
          • Size 802B
          • SHA256 04400db77d925de5b0264f6db5b44fe6f8b94f9419ad3473caaa8065c525c0be
          • MD5 SHA1 SHA512

          index.js

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\minizlib\node_modules\minipass\index.js
          • Size 16KB
          • SHA256 7a395802fbe01bb3dc8d09586e0864f255874bf897378e546444fbaec29f54c5
          • MD5 SHA1 SHA512 SSDEEP

          LICENSE

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\nopt\LICENSE
          • Size 780B
          • SHA256 3f24d692d165989cd9a00fe35ca15a2bc6859e3361fa42aa20babd435f2e4706
          • MD5 SHA1 SHA512

          LICENSE

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\promise-all-reject-late\LICENSE
          • Size 763B
          • SHA256 1fccd0ad2e7e0e31ddfadeaf0660d7318947b425324645aa85afd7227cab52d7
          • MD5 SHA1 SHA512

          index.d.ts

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\tar\node_modules\fs-minipass\node_modules\minipass\index.d.ts
          • Size 4KB
          • SHA256 dd3eda3596af30eda88b4c6c2156d3af6e7fa221f39c46e492c5e9fb697e2fef
          • MD5 SHA1 SHA512 SSDEEP

          LICENSE

          • Path C:\Program Files\nodejs\node_modules\npm\node_modules\treeverse\LICENSE
          • Size 771B
          • SHA256 24b8d53712087b867030d18f2bd6d1a72c78f9fb4dee0ce025374da25e4443b9
          • MD5 SHA1 SHA512

          Node.js documentation.url

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Node.js\Node.js documentation.url
          • Size 168B
          • SHA256 7cf8a9c96f9016132be81fd89f9573566b7dc70244a28eb59d573c2fdba1def9
          • MD5 SHA1 SHA512

          Newtonsoft.Json.dll

          • Path C:\ProgramData\Solara\Newtonsoft.Json.dll
          • Size 695KB
          • SHA256 e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d
          • MD5 SHA1 SHA512 SSDEEP

          Solara.exe

          • Path C:\ProgramData\Solara\Solara.exe
          • Size 133KB
          • SHA256 d1e4a542fa75f6a6fb636b5de6f7616e2827a79556d3d9a4afc3ecb47f0beb2b
          • MD5 SHA1 SHA512 SSDEEP

          Wpf.Ui.dll

          • Path C:\ProgramData\Solara\Wpf.Ui.dll
          • Size 5.2MB
          • SHA256 46cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed
          • MD5 SHA1 SHA512 SSDEEP

          BootstrapperV1.23.exe

          • Path C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.23.exe
          • Size 800KB
          • SHA256 8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3
          • MD5 SHA1 SHA512 SSDEEP

          bootstrapper.exe

          • Path C:\Users\Admin\AppData\Local\Temp\bootstrapper.exe
          • Size 86KB
          • SHA256 e4f24a73140e7c65201f58a76bae9e4bf05d064cfd726d1a559cd509c79dec57
          • MD5 SHA1 SHA512 SSDEEP

          node-v18.16.0-x64.msi

          • Path C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi
          • Size 30.1MB
          • SHA256 5bfb6f3ab89e198539408f7e0e8ec0b0bd5efe8898573ec05b381228efb45a5d
          • MD5 SHA1 SHA512 SSDEEP

          MSID3F9.tmp

          • Path C:\Windows\Installer\MSID3F9.tmp
          • Size 122KB
          • SHA256 e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9
          • MD5 SHA1 SHA512 SSDEEP

          MSID459.tmp

          • Path C:\Windows\Installer\MSID459.tmp
          • Size 211KB
          • SHA256 c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74
          • MD5 SHA1 SHA512 SSDEEP

          MSIDDC1.tmp

          • Path C:\Windows\Installer\MSIDDC1.tmp
          • Size 297KB
          • SHA256 b8f2d0909d7c2934285a8be010d37c0609c7854a36562cbfcbce547f4f4c7b0c
          • MD5 SHA1 SHA512 SSDEEP

          memory/540-25-0x000001B49DF10000-0x000001B49E0D2000-memory.dmp

          memory/540-32-0x00007FFABF800000-0x00007FFAC02C1000-memory.dmp

          memory/540-29-0x000001B49E750000-0x000001B49EC78000-memory.dmp

          memory/540-28-0x00007FFABF800000-0x00007FFAC02C1000-memory.dmp

          memory/540-2837-0x00007FFABF800000-0x00007FFAC02C1000-memory.dmp

          memory/540-24-0x00007FFABF803000-0x00007FFABF805000-memory.dmp

          memory/540-23-0x000001B4838E0000-0x000001B4838FA000-memory.dmp

          memory/756-31-0x000002A1B9B50000-0x000002A1B9B72000-memory.dmp

          memory/756-2411-0x000002A1BA530000-0x000002A1BA542000-memory.dmp

          memory/756-2409-0x000002A1B9800000-0x000002A1B980A000-memory.dmp

          memory/756-27-0x000002A19DE50000-0x000002A19DF1E000-memory.dmp

          memory/3972-2827-0x000001BEB6AD0000-0x000001BEB6AF4000-memory.dmp

          memory/3972-2829-0x000001BED1760000-0x000001BED1C9C000-memory.dmp

          memory/3972-2831-0x000001BED13D0000-0x000001BED148A000-memory.dmp

          memory/3972-2833-0x000001BED1490000-0x000001BED1542000-memory.dmp