Resubmissions

09/03/2024, 00:10

240309-agetcabb6y8

09/03/2024, 00:06

240309-adr99sac648

Analysis

  • max time kernel
    155s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2024, 00:06

General

  • Target
    AMASS 2.0/AMASS/setup.exe
  • Size 140.6MB
  • Sample240309-adr99sac64
  • SHA256 94c303148b663e9b069a4254d3a5d858bd14f173e0366053a1c0a076b49a1bf9
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AMASS 2.0\AMASS\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\AMASS 2.0\AMASS\setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}\setup.exe
      C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}\setup.exe /q"C:\Users\Admin\AppData\Local\Temp\AMASS 2.0\AMASS\setup.exe" /tempdisk1folder"C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}" /IS_temp
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Windows\system32\MSIEXEC.EXE
        "C:\Windows\system32\MSIEXEC.EXE" /i "C:\Users\Admin\AppData\Local\Downloaded Installations\{45C7EAD5-A76E-4803-9ADF-38D8A95B4990}\Malvern Panalytical AMASS.msi" SETUPEXEDIR="C:\Users\Admin\AppData\Local\Temp\AMASS 2.0\AMASS" SETUPEXENAME="setup.exe"
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:2860
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c rmdir /s /q "C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}"
        3⤵
          PID:1476
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
        PID:2168
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding B550B921100C6D8345E92FD1218CD57F C
          2⤵
          • Loads dropped DLL
          PID:3368
      • 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=4252 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3160

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              Malvern Panalytical AMASS.msi

              • Path C:\Users\Admin\AppData\Local\Downloaded Installations\{45C7EAD5-A76E-4803-9ADF-38D8A95B4990}\Malvern Panalytical AMASS.msi
              • Size 6.6MB
              • SHA256 7d966263f414712635fab39595e61408f1b8b3f9f879841ca3435c676ef082f9
              • MD5 SHA1 SHA512 SSDEEP

              Malvern Panalytical AMASS.msi

              • Path C:\Users\Admin\AppData\Local\Downloaded Installations\{45C7EAD5-A76E-4803-9ADF-38D8A95B4990}\Malvern Panalytical AMASS.msi
              • Size 2.1MB
              • SHA256 753480ece9901db6e9607687958199f2b81a78c2c6f6388c1e80aff8dddfbb1e
              • MD5 SHA1 SHA512 SSDEEP

              MSI9C0C.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\MSI9C0C.tmp
              • Size 165KB
              • SHA256 1f6f0d9f136bc170cfbc48a1015113947087ac27aed1e3e91673ffc91b9f390b
              • MD5 SHA1 SHA512 SSDEEP

              0x0409.ini

              • Path C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}\0x0409.ini
              • Size 21KB
              • SHA256 8b76df0ffc9a226b532b60936765b852b89780c6e475c152f7c320e085e43948
              • MD5 SHA1 SHA512 SSDEEP

              _ISMSIDEL.INI

              • Path C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}\_ISMSIDEL.INI
              • Size 592B
              • SHA256 8a93e3a2f268694dcd67c7c35696eb4aaf8ee9b291c9a354fee648a9fe02b680
              • MD5 SHA1 SHA512

              _ISMSIDEL.INI

              • Path C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}\_ISMSIDEL.INI
              • Size 20B
              • SHA256 0a33c5dffabcf31a1f6802026e9e2eef4b285e57fd79d52fdcd98d6502d14b13
              • MD5 SHA1 SHA512

              setup.exe

              • Path C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}\setup.exe
              • Size 856KB
              • SHA256 5ef9966c2d107ca844bdea2676c84169b36cbf8e3a6e9ede88cfc96cf6fa8945
              • MD5 SHA1 SHA512 SSDEEP

              setup.exe

              • Path C:\Users\Admin\AppData\Local\Temp\{21145FA2-98FC-4004-BCF1-A3E007D4F4A9}\setup.exe
              • Size 776KB
              • SHA256 b4adc0941ba7830df984bcaaec251669069050be8478b7dcdbe8d199e3721dfd
              • MD5 SHA1 SHA512 SSDEEP

              ~6DF9.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\~6DF9.tmp
              • Size 5KB
              • SHA256 5425ac9206290d4bf84f8f49b442439bf44fe1bfdbbc18d7b486796261dce87e
              • MD5 SHA1 SHA512 SSDEEP