Analysis

  • max time kernel
    584s
  • max time network
    604s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2024, 15:16

General

  • Target
    $TEMP/AgentSetup.exe
  • Size 215.8MB
  • Sample240323-snmrmsbe6s
  • SHA256 84372730101078190450b74595424f2cee64e2563ce8f024fce69e9206ba42e4
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 10 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\AgentSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\AgentSetup.exe"
    1⤵
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1060
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8152CBEE87A7604DCEC32B5837055F84 C
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pssBC2E.ps1"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5096
  • 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=4048 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1404
    • 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=1264 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3348

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            378B079587A9184B2E2AB859CB263F40_524AD1B9B08D3C6450727265AE77B7D2

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\378B079587A9184B2E2AB859CB263F40_524AD1B9B08D3C6450727265AE77B7D2
            • Size 3B
            • SHA256 ca3d163bab055381827226140568f3bef7eaac187cebd76878e0b63e9e442356
            • MD5 SHA1 SHA512

            dialog

            • Path C:\Users\Admin\AppData\Local\Temp\AI_EXTUI_BIN_1060\dialog
            • Size 11KB
            • SHA256 f1fcb09df932aef09b24eea796286ceaedcbceccd4d8f4536345163c4d3d9ff7
            • MD5 SHA1 SHA512 SSDEEP

            MSIB9AC.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIB9AC.tmp
            • Size 373KB
            • SHA256 58e954de5dbec06179e7c749f321555520c8fcfbd9d3b05cc2b0110573a507d4
            • MD5 SHA1 SHA512 SSDEEP

            MSIBAB7.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIBAB7.tmp
            • Size 823KB
            • SHA256 479a7e0f97f95193547cdea9de3637ec28e815527cefaeaf03ae3319abb61c89
            • MD5 SHA1 SHA512 SSDEEP

            MSIBC21.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIBC21.tmp
            • Size 616KB
            • SHA256 9f0cac1777e484e2881afdfcffcc165d8626adee19d22e4e55f0c35a6419a7f1
            • MD5 SHA1 SHA512 SSDEEP

            MSIBC21.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIBC21.tmp
            • Size 576KB
            • SHA256 c3ab1b7387990310983edfb6cf9ea43253c7b143b3cdce12d0fde01f711dc257
            • MD5 SHA1 SHA512 SSDEEP

            MSIC396.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC396.tmp
            • Size 320KB
            • SHA256 efa5507a92f10075edecda33840d885a6ea9157ce50049e5b50240ee8073789a
            • MD5 SHA1 SHA512 SSDEEP

            MSIC462.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC462.tmp
            • Size 532KB
            • SHA256 9cb59f48ad2bba9765282f52a62a820b3c2a541f7b66a7073a52c7b72546b5c8
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_b0lazqta.eha.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b0lazqta.eha.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            pssBC2D.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\pssBC2D.ps1
            • Size 2KB
            • SHA256 a95df6d17d94865fdb7ac3bfb64a2557804e45d68b4b0641dff377ef08404e67
            • MD5 SHA1 SHA512

            pssBC2E.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\pssBC2E.ps1
            • Size 5KB
            • SHA256 6b13773770ac84015b79f76efe493e6e0a9c81f1bb31cec6fc86af05a57f58ac
            • MD5 SHA1 SHA512 SSDEEP

            AgentSetup.msi

            • Path C:\Users\Admin\AppData\Roaming\Acunetix Limited\Acunetix 360 Agent 1.7.1\install\AgentSetup.msi
            • Size 2.6MB
            • SHA256 e971a74aa37222ff7f4d3a44ec46e3982f5529a89ce7389fc0d0c6d025fdb648
            • MD5 SHA1 SHA512 SSDEEP

            memory/5096-91-0x000001AABC2F0000-0x000001AABC312000-memory.dmp

            memory/5096-95-0x000001AABC250000-0x000001AABC260000-memory.dmp

            memory/5096-93-0x000001AABC250000-0x000001AABC260000-memory.dmp

            memory/5096-101-0x00007FFC3FBC0000-0x00007FFC40681000-memory.dmp

            memory/5096-94-0x000001AABC250000-0x000001AABC260000-memory.dmp

            memory/5096-92-0x00007FFC3FBC0000-0x00007FFC40681000-memory.dmp