Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/02/2024, 12:41

General

  • Target
    document_reader.exe
  • Size 3.9MB
  • Sample240206-pws2vafde2
  • SHA256 9a3990e375cc3a3a9d6c659b5b5551900dcdc1e7fc8f807f85a951517c8ae96f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 40 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • HTTP links in PDF interactive object 1 IoCs

    Detects HTTP links in interactive objects within PDF files.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
      PID:3844
    • C:\Windows\system32\taskhostw.exe
      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
      1⤵
        PID:2460
        • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          PID:3652
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2976
          • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            2⤵
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:3392
        • C:\Users\Admin\AppData\Local\Temp\document_reader.exe
          "C:\Users\Admin\AppData\Local\Temp\document_reader.exe"
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:2800
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" "c:\temp\document.pdf"
            2⤵
            • Enumerates system info in registry
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:4776
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fffe5e29758,0x7fffe5e29768,0x7fffe5e29778
              3⤵
                PID:3116
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1752 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:2
                3⤵
                  PID:396
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2228 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:8
                  3⤵
                    PID:4540
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:8
                    3⤵
                      PID:4832
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2924 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:1
                      3⤵
                        PID:2072
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3068 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:1
                        3⤵
                          PID:4276
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4080 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:1
                          3⤵
                            PID:1408
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --pdf-renderer --lang=en-US --js-flags=--jitless --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4784 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:1
                            3⤵
                              PID:444
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5304 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:8
                              3⤵
                                PID:4660
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5396 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:8
                                3⤵
                                  PID:4888
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5300 --field-trial-handle=1916,i,17938447889451433731,17883423674649359963,131072 /prefetch:8
                                  3⤵
                                    PID:3392
                                • \??\c:\tes2\Autoit3.exe
                                  c:\tes2\Autoit3.exe c:\tes2\script.au3
                                  2⤵
                                  • Suspicious use of NtCreateUserProcessOtherParentProcess
                                  • Executes dropped EXE
                                  • Suspicious use of SetThreadContext
                                  • Checks processor information in registry
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:996
                              • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                1⤵
                                  PID:1804

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      ehcdaed

                                      • Path C:\ProgramData\gfgagdf\ehcdaed
                                      • Size 1KB
                                      • SHA256 58b3f399101f3b696a88de26c4180594742b7060a382c7042f8205bb17536757
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 940B
                                      • SHA256 f89d45d9eacc412ae8bd1c5deb89d7b8b37713303750b2e801dec42df3927aeb
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 6KB
                                      • SHA256 9db6a1c57543d730205062479ebf2cecf857def90a8fa5d4f70468f99931f6ca
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                      • Size 15KB
                                      • SHA256 846909d9172be219337bd0a8235b9b00a6959182914a8c295d11ac6dbeb6773b
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 115KB
                                      • SHA256 06fb57e2a916a9af964acaee24fab12d0b092081134a69bdcf100b9b92dcec1b
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 235KB
                                      • SHA256 b0546c6a08efd1ec75659a7c2e9c7bc1826d0bd56f9b2b7c1c92110d48ceb500
                                      • MD5 SHA1 SHA512 SSDEEP

                                      data_1

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
                                      • Size 264KB
                                      • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                      • MD5 SHA1 SHA512 SSDEEP

                                      persisted_first_party_sets.json

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                                      • Size 2B
                                      • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                      • MD5 SHA1 SHA512

                                      cGhbDhC

                                      • Path C:\Users\Admin\AppData\Roaming\cGhbDhC
                                      • Size 32B
                                      • SHA256 e3edb1cf7028e9677484eeb763101ea2328b38e55f6a7fb8f921e0916ba4474e
                                      • MD5 SHA1 SHA512

                                      cc.txt

                                      • Path C:\temp\cc.txt
                                      • Size 4B
                                      • SHA256 a083da7a7ca7126ed8ef7d22a91be01e67c1850234ed294b8542fee4b74d8166
                                      • MD5 SHA1 SHA512

                                      document.pdf

                                      • Path C:\temp\document.pdf
                                      • Size 448KB
                                      • SHA256 68d7a72f821bae0a1466aa88f5d43ea11740c323e52e578629f8842a994ea2d6
                                      • MD5 SHA1 SHA512 SSDEEP

                                      fs.txt

                                      • Path C:\temp\fs.txt
                                      • Size 4B
                                      • SHA256 57109a122f6cc324a93b38a866572ba7cdb6bac43712d8c0f2b11dd0ae7fdffc
                                      • MD5 SHA1 SHA512

                                      Autoit3.exe

                                      • Path C:\tes2\Autoit3.exe
                                      • Size 872KB
                                      • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
                                      • MD5 SHA1 SHA512 SSDEEP

                                      script.au3

                                      • Path \??\c:\tes2\script.au3
                                      • Size 583KB
                                      • SHA256 9dd25ba75e415f2e6260de78977091e1ada7b6f0f5cba7c4944673c65fbd7609
                                      • MD5 SHA1 SHA512 SSDEEP

                                      test.txt

                                      • Path \??\c:\tes2\test.txt
                                      • Size 76B
                                      • SHA256 c8fd4ff9ccaca0d223aaf28f8a25b54a241666b5ddd81f0ea16217868d7025d8
                                      • MD5 SHA1 SHA512

                                      memory/996-33-0x0000000005FE0000-0x000000000633B000-memory.dmp

                                      memory/996-32-0x0000000004930000-0x0000000005900000-memory.dmp

                                      memory/996-144-0x0000000005FE0000-0x000000000633B000-memory.dmp

                                      memory/2800-0-0x000001EFF2D80000-0x000001EFF2D81000-memory.dmp

                                      memory/2800-28-0x0000000000770000-0x0000000000B6E000-memory.dmp

                                      memory/3392-172-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-166-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-186-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-184-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-182-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-180-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-178-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-157-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-176-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-159-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-174-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-161-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-170-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-168-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3392-164-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-160-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-141-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-167-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-163-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-169-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-162-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-171-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-136-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-173-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-130-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-175-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-165-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-177-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-155-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-179-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-153-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-181-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-151-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-183-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-149-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-185-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-137-0x0000000000400000-0x0000000000472000-memory.dmp

                                      memory/3652-187-0x0000000000400000-0x0000000000472000-memory.dmp