Analysis
- max time kernel
149s - max time network
151s - platform
windows10_x64 - resource
win10v20210408 - submitted
08/07/2021, 16:15
Static task
static1
Behavioral task
behavioral1
Sample
90440985e96dd8aaa439fa7dedba2499.exe
Resource
win7v20210410
0 signatures
0 seconds
General
- Target 90440985e96dd8aaa439fa7dedba2499.exe
- Size 2.8MB
- Sample210708-vv8lca59nn
- SHA256 9fbdcf044aba61ae6c0678b5f83fc4bd8b589ba3a4fd12a5bef53e2ead494eed
- MD5 90440985e96dd8aaa439fa7dedba2499
- SHA1 93da03b3005a88b4298149c91f5f721478fb54e5
- SHA512 c3241b677b7a81dc4104786cbaad79d4568f85325e22b40f3108ba8e450a6b88199231ee21996392a6f1f441af88bc5f965b5d8fc835ba43bc3b3e115a1fbb08
- MD5 SHA1 SHA512
Malware Config
Signatures
- Executes dropped EXE 7 IoCs
pid Process 2268 ClientHost_new.exe 2788 ClientHost.exe 2248 ClientHost.exe 632 chromedriver.exe 1376 chromedriver.exe 4700 ClientHost.exe 4320 ClientHost.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1128 schtasks.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe - Suspicious behavior: EnumeratesProcesses 41 IoCs
pid Process 2268 ClientHost_new.exe 2788 ClientHost.exe 2788 ClientHost.exe 2272 chrome.exe 2272 chrome.exe 3640 chrome.exe 3640 chrome.exe 3960 chrome.exe 3960 chrome.exe 3540 chrome.exe 3540 chrome.exe 2772 chrome.exe 2772 chrome.exe 3716 chrome.exe 3716 chrome.exe 4292 chrome.exe 4292 chrome.exe 4304 chrome.exe 4304 chrome.exe 4180 chrome.exe 4180 chrome.exe 4392 chrome.exe 4392 chrome.exe 4568 chrome.exe 4568 chrome.exe 4624 chrome.exe 4624 chrome.exe 4788 chrome.exe 4788 chrome.exe 4872 chrome.exe 4872 chrome.exe 4936 chrome.exe 4936 chrome.exe 5000 chrome.exe 5000 chrome.exe 5056 chrome.exe 5056 chrome.exe 5112 chrome.exe 5112 chrome.exe 4504 chrome.exe 4504 chrome.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4060 90440985e96dd8aaa439fa7dedba2499.exe Token: SeDebugPrivilege 2268 ClientHost_new.exe Token: SeDebugPrivilege 2788 ClientHost.exe - Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 3716 chrome.exe 3716 chrome.exe 3716 chrome.exe 3716 chrome.exe 3716 chrome.exe 3716 chrome.exe - Suspicious use of WriteProcessMemory 52 IoCs
description pid Process procid_target PID 4060 wrote to memory of 2268 4060 90440985e96dd8aaa439fa7dedba2499.exe 77 PID 4060 wrote to memory of 2268 4060 90440985e96dd8aaa439fa7dedba2499.exe 77 PID 2268 wrote to memory of 2788 2268 ClientHost_new.exe 78 PID 2268 wrote to memory of 2788 2268 ClientHost_new.exe 78 PID 2788 wrote to memory of 1128 2788 ClientHost.exe 80 PID 2788 wrote to memory of 1128 2788 ClientHost.exe 80 PID 2788 wrote to memory of 632 2788 ClientHost.exe 83 PID 2788 wrote to memory of 632 2788 ClientHost.exe 83 PID 2788 wrote to memory of 632 2788 ClientHost.exe 83 PID 2788 wrote to memory of 1376 2788 ClientHost.exe 85 PID 2788 wrote to memory of 1376 2788 ClientHost.exe 85 PID 2788 wrote to memory of 1376 2788 ClientHost.exe 85 PID 632 wrote to memory of 3716 632 chromedriver.exe 87 PID 632 wrote to memory of 3716 632 chromedriver.exe 87 PID 3716 wrote to memory of 2000 3716 chrome.exe 88 PID 3716 wrote to memory of 2000 3716 chrome.exe 88 PID 3716 wrote to memory of 3640 3716 chrome.exe 89 PID 3716 wrote to memory of 3640 3716 chrome.exe 89 PID 3716 wrote to memory of 2272 3716 chrome.exe 90 PID 3716 wrote to memory of 2272 3716 chrome.exe 90 PID 3716 wrote to memory of 3960 3716 chrome.exe 91 PID 3716 wrote to memory of 3960 3716 chrome.exe 91 PID 3716 wrote to memory of 3540 3716 chrome.exe 92 PID 3716 wrote to memory of 3540 3716 chrome.exe 92 PID 3716 wrote to memory of 2772 3716 chrome.exe 93 PID 3716 wrote to memory of 2772 3716 chrome.exe 93 PID 3716 wrote to memory of 4180 3716 chrome.exe 95 PID 3716 wrote to memory of 4180 3716 chrome.exe 95 PID 3716 wrote to memory of 4292 3716 chrome.exe 97 PID 3716 wrote to memory of 4292 3716 chrome.exe 97 PID 3716 wrote to memory of 4304 3716 chrome.exe 98 PID 3716 wrote to memory of 4304 3716 chrome.exe 98 PID 3716 wrote to memory of 4392 3716 chrome.exe 99 PID 3716 wrote to memory of 4392 3716 chrome.exe 99 PID 3716 wrote to memory of 4568 3716 chrome.exe 100 PID 3716 wrote to memory of 4568 3716 chrome.exe 100 PID 3716 wrote to memory of 4624 3716 chrome.exe 101 PID 3716 wrote to memory of 4624 3716 chrome.exe 101 PID 3716 wrote to memory of 4788 3716 chrome.exe 103 PID 3716 wrote to memory of 4788 3716 chrome.exe 103 PID 3716 wrote to memory of 4872 3716 chrome.exe 104 PID 3716 wrote to memory of 4872 3716 chrome.exe 104 PID 3716 wrote to memory of 4936 3716 chrome.exe 105 PID 3716 wrote to memory of 4936 3716 chrome.exe 105 PID 3716 wrote to memory of 5000 3716 chrome.exe 106 PID 3716 wrote to memory of 5000 3716 chrome.exe 106 PID 3716 wrote to memory of 5056 3716 chrome.exe 107 PID 3716 wrote to memory of 5056 3716 chrome.exe 107 PID 3716 wrote to memory of 5112 3716 chrome.exe 108 PID 3716 wrote to memory of 5112 3716 chrome.exe 108 PID 3716 wrote to memory of 4504 3716 chrome.exe 110 PID 3716 wrote to memory of 4504 3716 chrome.exe 110
Processes
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C:\Users\Admin\AppData\Local\Temp\90440985e96dd8aaa439fa7dedba2499.exe"C:\Users\Admin\AppData\Local\Temp\90440985e96dd8aaa439fa7dedba2499.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Users\Admin\Documents\ClientHost_new.exe"C:\Users\Admin\Documents\ClientHost_new.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Users\Admin\Documents\ClientHost.exe"C:\Users\Admin\Documents\ClientHost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Videocard Service" /tr "C:\Users\Admin\Documents\ClientHost.exe" /f4⤵
- Creates scheduled task(s)
PID:1128
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C:\Users\Admin\Documents\chromedriver.exe"C:\Users\Admin\Documents\chromedriver.exe" --port=542424⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-backgrounding-occluded-windows --disable-blink-features=AutomationControlled --disable-client-side-phishing-detection --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-gpu --disable-hang-monitor --disable-popup-blocking --disable-prompt-on-repost --disable-sync --enable-blink-features=ShadowDOMV0 --enable-logging --log-level=0 --mute-audio --no-first-run --no-sandbox --no-service-autorun --password-store=basic --remote-debugging-port=0 --test-type=webdriver --use-mock-keychain --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data"5⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3716 -
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=89.0.4389.114 --initial-client-data=0xdc,0xe0,0xe4,0xb8,0xe8,0x7ffaa2fc4f50,0x7ffaa2fc4f60,0x7ffaa2fc4f706⤵PID:2000
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --no-sandbox --enable-logging --log-level=0 --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --enable-logging --log-level=0 --mojo-platform-channel-handle=1560 /prefetch:26⤵
- Suspicious behavior: EnumeratesProcesses
PID:3640
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=network --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=1732 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:2272
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=utility --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=2088 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:3960
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-sandbox --enable-logging --log-level=0 --remote-debugging-port=0 --test-type=webdriver --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --disable-gpu-compositing --enable-blink-features=ShadowDOMV0 --disable-blink-features=AutomationControlled --lang=en-US --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2464 /prefetch:16⤵
- Suspicious behavior: EnumeratesProcesses
PID:3540
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-sandbox --enable-logging --log-level=0 --remote-debugging-port=0 --test-type=webdriver --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --disable-gpu-compositing --enable-blink-features=ShadowDOMV0 --disable-blink-features=AutomationControlled --lang=en-US --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2496 /prefetch:16⤵
- Suspicious behavior: EnumeratesProcesses
PID:2772
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-sandbox --enable-logging --log-level=0 --remote-debugging-port=0 --test-type=webdriver --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --disable-gpu-compositing --enable-blink-features=ShadowDOMV0 --disable-blink-features=AutomationControlled --lang=en-US --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3104 /prefetch:16⤵
- Suspicious behavior: EnumeratesProcesses
PID:4180
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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 --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=utility --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=3860 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4292
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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 --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=utility --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=3908 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4304
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-sandbox --enable-logging --log-level=0 --remote-debugging-port=0 --test-type=webdriver --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --disable-gpu-compositing --enable-blink-features=ShadowDOMV0 --disable-blink-features=AutomationControlled --lang=en-US --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3932 /prefetch:16⤵
- Suspicious behavior: EnumeratesProcesses
PID:4392
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=none --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=4496 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4568
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=none --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=3948 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4624
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=none --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=1496 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4788
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=none --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=2164 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4872
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=none --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=2328 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4936
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=utility --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=2128 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:5000
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=utility --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=4320 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:5056
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=utility --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=1644 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:5112
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1444,6737206597028501280,5574052810430720202,131072 --lang=en-US --service-sandbox-type=utility --no-sandbox --enable-logging --log-level=0 --mute-audio --user-data-dir="C:/Users/Admin/AppData/Local/Google/Chrome/User Data" --enable-logging --log-level=0 --mojo-platform-channel-handle=4456 /prefetch:86⤵
- Suspicious behavior: EnumeratesProcesses
PID:4504
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C:\Users\Admin\Documents\chromedriver.exe"C:\Users\Admin\Documents\chromedriver.exe" --port=542424⤵
- Executes dropped EXE
PID:1376
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C:\Users\Admin\Documents\ClientHost.exeC:\Users\Admin\Documents\ClientHost.exe1⤵
- Executes dropped EXE
PID:2248
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C:\Users\Admin\Documents\ClientHost.exeC:\Users\Admin\Documents\ClientHost.exe1⤵
- Executes dropped EXE
PID:4700
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C:\Users\Admin\Documents\ClientHost.exeC:\Users\Admin\Documents\ClientHost.exe1⤵
- Executes dropped EXE
PID:4320