Resubmissions

18/12/2024, 10:20

241218-mc9jdawlfm7

18/12/2024, 10:14

241218-l92pcsvjht7

18/12/2024, 10:07

241218-l532mawjap7

18/12/2024, 09:55

241218-lxvehstnhs7

Analysis

  • max time kernel
    91s
  • max time network
    112s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    18/12/2024, 10:14

General

  • Target
    Bootstrapper.exe
  • Size 800KB
  • Sample241218-l92pcsvjht
  • SHA256 8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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 2 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:4228
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3316
    • C:\Windows\System32\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1888
    • C:\ProgramData\Solara\Solara.exe
      "C:\ProgramData\Solara\Solara.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1808
  • 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:2684
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 6CC029A62B5BC23DAFB4D64385469242
      2⤵
      • Loads dropped DLL
      PID:2416
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 61C031E431EBDA17F5AF59B089A65A6B
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2012
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 95EC566C9D5C06D2C491FBD3B556F2EE E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3560
      • 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:4460
        • C:\Windows\System32\wevtutil.exe
          "wevtutil.exe" im "C:\Program Files\nodejs\node_etw_provider.man" /fromwow64
          4⤵
            PID:4368

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e581887.rbs

          • Path C:\Config.Msi\e581887.rbs
          • Size 1.0MB
          • SHA256 06e31cf86583e3ace88b64461dd4422404875434a005c952fae60fee2e9678fd
          • 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

          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

          MSI1DE3.tmp

          • Path C:\Windows\Installer\MSI1DE3.tmp
          • Size 122KB
          • SHA256 e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9
          • MD5 SHA1 SHA512 SSDEEP

          MSI1EDF.tmp

          • Path C:\Windows\Installer\MSI1EDF.tmp
          • Size 211KB
          • SHA256 c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74
          • MD5 SHA1 SHA512 SSDEEP

          MSI28B5.tmp

          • Path C:\Windows\Installer\MSI28B5.tmp
          • Size 297KB
          • SHA256 b8f2d0909d7c2934285a8be010d37c0609c7854a36562cbfcbce547f4f4c7b0c
          • MD5 SHA1 SHA512 SSDEEP

          memory/1808-2807-0x000002A744900000-0x000002A744E3C000-memory.dmp

          memory/1808-2804-0x000002A7294A0000-0x000002A7294C4000-memory.dmp

          memory/1808-2809-0x000002A744480000-0x000002A74453A000-memory.dmp

          memory/1808-2811-0x000002A744540000-0x000002A7445F2000-memory.dmp

          memory/4956-18-0x00007FFE2C390000-0x00007FFE2CE52000-memory.dmp

          memory/4956-5-0x00000149E94E0000-0x00000149E9502000-memory.dmp

          memory/4956-2383-0x00000149E7D90000-0x00000149E7D9A000-memory.dmp

          memory/4956-2385-0x00000149E7E10000-0x00000149E7E22000-memory.dmp

          memory/4956-4-0x00007FFE2C393000-0x00007FFE2C395000-memory.dmp

          memory/4956-2-0x00007FFE2C390000-0x00007FFE2CE52000-memory.dmp

          memory/4956-2808-0x00007FFE2C390000-0x00007FFE2CE52000-memory.dmp

          memory/4956-0-0x00007FFE2C393000-0x00007FFE2C395000-memory.dmp

          memory/4956-1-0x00000149CD8C0000-0x00000149CD98E000-memory.dmp