Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06-02-2024 13:18

General

  • Target

    document_reader.exe

  • Size

    3.9MB

  • MD5

    dd191e98e5c264b5078b13fe38566d7e

  • SHA1

    5b8b2c15c9457bfd0ce9ed012c308f245ee6d92d

  • SHA256

    9a3990e375cc3a3a9d6c659b5b5551900dcdc1e7fc8f807f85a951517c8ae96f

  • SHA512

    72ee9f8fbab5beb5559c993941b1ec03e26ef6f8add89c89206e0283ea141cfa301cbb382fcac2bc4f6b2c9e88f64037f75dbb23f4477508848b8ef25be31289

  • SSDEEP

    49152:zLaXnHEdxX+e3FLpgvDn8P7SM4af+QZ2asV:zLIIhGh

Malware Config

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 5 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 16 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1096
      • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        2⤵
          PID:2488
        • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          2⤵
            PID:2988
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:1168
            • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              2⤵
                PID:2544
              • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                2⤵
                  PID:2724
                • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                  c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                  2⤵
                    PID:2576
                • C:\Users\Admin\AppData\Local\Temp\document_reader.exe
                  "C:\Users\Admin\AppData\Local\Temp\document_reader.exe"
                  1⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2632
                  • 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:2500
                    • 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,0x7fef6729758,0x7fef6729768,0x7fef6729778
                      3⤵
                        PID:2160
                      • 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=1176 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:2
                        3⤵
                          PID:2968
                        • 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=1452 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:8
                          3⤵
                            PID:2748
                          • 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=1612 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:8
                            3⤵
                              PID:2668
                            • 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=2304 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:1
                              3⤵
                                PID:2920
                              • 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=2296 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:1
                                3⤵
                                  PID:2948
                                • 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=1380 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:2
                                  3⤵
                                    PID:1304
                                  • 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=2916 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:1
                                    3⤵
                                      PID:900
                                    • 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=3060 --field-trial-handle=1372,i,13606575862600899966,7239054388676137399,131072 /prefetch:1
                                      3⤵
                                        PID:1764
                                      • \??\c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                                        c:\windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                                        3⤵
                                          PID:2340
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe
                                          3⤵
                                            PID:2008
                                        • \??\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:2936
                                      • 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:1952

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\47c2650c-3002-4aeb-acc2-de953e9dcfd0.tmp

                                          Filesize

                                          233KB

                                          MD5

                                          eee8350a2d967473014ce687b6b774e1

                                          SHA1

                                          bc317d39734a5b637b2b1984e1d35bb20e9f4deb

                                          SHA256

                                          5645d4219da0e95a5e50eeda24080a9ac4f3be498d0a37e0e5712f034d669b92

                                          SHA512

                                          69c71d0c501de1862b40c2e9b9e96b0fb315e6729bb63ddb4b9c2381919da8dc226373a56a4a1fe6ce1dbfc320efc8b3a0232d80ddbba70b07e3cd4c423f2f91

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                                          Filesize

                                          264KB

                                          MD5

                                          f50f89a0a91564d0b8a211f8921aa7de

                                          SHA1

                                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                                          SHA256

                                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                          SHA512

                                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                                          Filesize

                                          16B

                                          MD5

                                          18e723571b00fb1694a3bad6c78e4054

                                          SHA1

                                          afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                          SHA256

                                          8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                          SHA512

                                          43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                        • C:\temp\document.pdf

                                          Filesize

                                          64KB

                                          MD5

                                          84fae093deff8277d9bab56769f83584

                                          SHA1

                                          a3367e843ee373da31b4eccb2bb020be9e1a02d1

                                          SHA256

                                          6a9c2519b8744d64dfc792588c3d64b6f256729add79df62dfc5e15ad4134e40

                                          SHA512

                                          a6d280dc3c80408e319498be6e0a766dfb6356672e83300829195c311aa07472a17bf0edfd23c77f9377f7ea4c70ffd57f66b8ec7ece51416029a508e0dcf038

                                        • C:\tes2\Autoit3.exe

                                          Filesize

                                          872KB

                                          MD5

                                          c56b5f0201a3b3de53e561fe76912bfd

                                          SHA1

                                          2a4062e10a5de813f5688221dbeb3f3ff33eb417

                                          SHA256

                                          237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

                                          SHA512

                                          195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

                                        • \??\c:\tes2\script.au3

                                          Filesize

                                          583KB

                                          MD5

                                          c37514367bf7b08d6cd30f938b33146a

                                          SHA1

                                          06f277690f2bbe71bdfc77ca227455657bd02c31

                                          SHA256

                                          9dd25ba75e415f2e6260de78977091e1ada7b6f0f5cba7c4944673c65fbd7609

                                          SHA512

                                          3a009923ff8152720b1e327b0dfd159122d4282f12d7ad540837111226ec3535eb2d550adf065729ea9155f4eb4f46128d0d91bc87a083bcc176f062df2d6b23

                                        • \??\c:\tes2\test.txt

                                          Filesize

                                          76B

                                          MD5

                                          4252e248997cb141c0d2b5211d9459f7

                                          SHA1

                                          cad24dbb355b37345b85c9e276931ba6b3a7dd1c

                                          SHA256

                                          c8fd4ff9ccaca0d223aaf28f8a25b54a241666b5ddd81f0ea16217868d7025d8

                                          SHA512

                                          25ddfeca9124262bf7f8963585729cc95ecf17584cb2265d2f71b07f5846c1e5b38f15209a5b2a94cc0a38e83e6f6a2eefc339948e15f01aaf0caf74060ca8e2

                                        • memory/2008-146-0x0000000000400000-0x0000000000472000-memory.dmp

                                          Filesize

                                          456KB

                                        • memory/2008-145-0x0000000000400000-0x0000000000472000-memory.dmp

                                          Filesize

                                          456KB

                                        • memory/2632-0-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2632-24-0x0000000000E50000-0x000000000124E000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/2936-61-0x0000000004E40000-0x000000000519B000-memory.dmp

                                          Filesize

                                          3.4MB

                                        • memory/2936-52-0x0000000003790000-0x0000000004760000-memory.dmp

                                          Filesize

                                          15.8MB

                                        • memory/2936-168-0x0000000004E40000-0x000000000519B000-memory.dmp

                                          Filesize

                                          3.4MB