Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 6 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 7 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 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 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1200
      • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        2⤵
          PID:2512
        • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          2⤵
            PID:1088
          • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            2⤵
              PID:2096
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe
              2⤵
                PID:1724
            • C:\Windows\system32\taskhost.exe
              "taskhost.exe"
              1⤵
                PID:1124
                • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                  c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                  2⤵
                    PID:2900
                • C:\Users\Admin\AppData\Local\Temp\document_reader.exe
                  "C:\Users\Admin\AppData\Local\Temp\document_reader.exe"
                  1⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2212
                  • 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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    • Suspicious use of WriteProcessMemory
                    PID:2480
                    • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6f29758,0x7fef6f29768,0x7fef6f29778
                      3⤵
                        PID:2312
                      • 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=1184 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:2
                        3⤵
                          PID:2832
                        • 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=1548 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:8
                          3⤵
                            PID:3064
                          • 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=1608 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:8
                            3⤵
                              PID:2660
                            • 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=2256 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:1
                              3⤵
                                PID:2540
                              • 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=2264 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:1
                                3⤵
                                  PID:1492
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1580 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:2
                                  3⤵
                                    PID:2228
                                  • 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3308 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:1
                                    3⤵
                                      PID:2268
                                    • 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 --disable-gpu-compositing --lang=en-US --js-flags=--jitless --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3480 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:1
                                      3⤵
                                        PID:2308
                                      • 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=3756 --field-trial-handle=1400,i,14457875997404555677,10501114824688141668,131072 /prefetch:8
                                        3⤵
                                          PID:1604
                                        • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                                          c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                                          3⤵
                                            PID:3036
                                          • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                                            c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                                            3⤵
                                              PID:1696
                                          • \??\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
                                            • Suspicious behavior: GetForegroundWindowSpam
                                            PID:2860
                                        • 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:2936

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                data_1

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

                                                000007.dbtmp

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp
                                                • Size 16B
                                                • SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
                                                • MD5 SHA1 SHA512

                                                c0903271-ad3e-4de4-a070-eef3413c0588.tmp

                                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\c0903271-ad3e-4de4-a070-eef3413c0588.tmp
                                                • Size 233KB
                                                • SHA256 fac86f180fbb4864f5a27dfbe389168e1603f82a57753ebb3f3912c692ac28eb
                                                • MD5 SHA1 SHA512 SSDEEP

                                                document.pdf

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

                                                Autoit3.exe

                                                • Path C:\tes2\Autoit3.exe
                                                • Size 64KB
                                                • SHA256 00457e22fc18fa4adc06c0b52d008a1b9e117176df4b8a56e71586eeae74146c
                                                • MD5 SHA1 SHA512 SSDEEP

                                                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/1724-139-0x0000000000400000-0x0000000000472000-memory.dmp

                                                memory/1724-140-0x0000000000400000-0x0000000000472000-memory.dmp

                                                memory/1724-159-0x0000000000400000-0x0000000000472000-memory.dmp

                                                memory/2212-0-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                memory/2212-49-0x0000000001080000-0x000000000147E000-memory.dmp

                                                memory/2860-53-0x0000000004E20000-0x000000000517B000-memory.dmp

                                                memory/2860-52-0x0000000003750000-0x0000000004720000-memory.dmp

                                                memory/2860-158-0x0000000004E20000-0x000000000517B000-memory.dmp