Analysis
- user interaction
yes - max time kernel
19s - max time network
28s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/06/2026, 22:20
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
Bootsrapper.exe
Resource
win11-20260513-en
14 signatures
300 seconds
Behavioral task
behavioral2
Sample
mpclient.dll
Resource
win11-20260513-en
3 signatures
300 seconds
General
- Target Bootsrapper.exe
- Size 683KB
- Sample260629-19cskagw21
- SHA256 715b4174065916a6412f60b3c10664b323dc737fd717ab09627083be34626fe0
- MD5 6669e10c960f6c2297bcd3d5a27412aa
- SHA1 73bee544b24312d0057d9ce5e62daa9f73243d00
- SHA512 feb1e93aed3f1a0ade6e6ab169af46ddd438aa80f6667fb24421d2f0b7da1c4a4902438421079a75eecfc9a3347c3ebe7f62b88ea9e67a9c951954d8555ea497
- SSDEEP 12288:tiGbyLR32C4NHhZoLCZcvDaLgf5pB6Nwi5//E7soazN0uahRg:MGboR3P4NHboLCevWLGL6//E7sTN0hhC
- TLSH T1ECE48E2AB3E401F9D1B7D276C9535A26FB71780A1731CBCF03A046562F276A49E3E712
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 4920 created 4032 4920 Bootsrapper.exe 80 - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4920 Bootsrapper.exe - 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 - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 4492 chrome.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Bootsrapper.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Bootsrapper.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe - Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4032 chrome.exe 4032 chrome.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe 4920 Bootsrapper.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4920 Bootsrapper.exe Token: SeShutdownPrivilege 4032 chrome.exe Token: SeCreatePagefilePrivilege 4032 chrome.exe Token: SeShutdownPrivilege 4032 chrome.exe Token: SeCreatePagefilePrivilege 4032 chrome.exe - Suspicious use of FindShellTrayWindow 34 IoCs
pid Process 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe 4032 chrome.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4920 wrote to memory of 4032 4920 Bootsrapper.exe 80 PID 4032 wrote to memory of 3944 4032 chrome.exe 81 PID 4032 wrote to memory of 4608 4032 chrome.exe 82 PID 4032 wrote to memory of 4492 4032 chrome.exe 83 PID 4032 wrote to memory of 4608 4032 chrome.exe 82 PID 4032 wrote to memory of 5096 4032 chrome.exe 84 PID 4032 wrote to memory of 5096 4032 chrome.exe 84 PID 4032 wrote to memory of 2920 4032 chrome.exe 85 PID 4032 wrote to memory of 2920 4032 chrome.exe 85 PID 4032 wrote to memory of 2156 4032 chrome.exe 86 PID 4032 wrote to memory of 2156 4032 chrome.exe 86 PID 4032 wrote to memory of 832 4032 chrome.exe 89 PID 4032 wrote to memory of 832 4032 chrome.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootsrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootsrapper.exe"1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --no-first-run --disable-gpu about:blank2⤵
- 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:4032 -
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=0xfc,0x100,0x104,0xd8,0x108,0x7ffcfa35c728,0x7ffcfa35c734,0x7ffcfa35c7403⤵PID:3944
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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=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --use-angle=swiftshader-webgl --metrics-shmem-handle=1684,i,6549035052081849042,10609216977357553438,262144 --field-trial-handle=1948,i,11664598509958911596,6166452168696605904,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=1944 /prefetch:23⤵PID:4608
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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=1472,i,660158185347246850,16003447362529372871,524288 --field-trial-handle=1948,i,11664598509958911596,6166452168696605904,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=2036 /prefetch:113⤵
- System Time Discovery
PID:4492
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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=2288,i,6141613425343258433,3406179068454476637,524288 --field-trial-handle=1948,i,11664598509958911596,6166452168696605904,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=2436 /prefetch:133⤵PID:5096
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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 --disable-gpu-compositing --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=3032,i,5048050168686916883,11183552558177087823,2097152 --field-trial-handle=1948,i,11664598509958911596,6166452168696605904,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=3168 /prefetch:13⤵PID:2920
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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 --disable-gpu-compositing --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=3040,i,15852612245093307078,4053918922941834297,2097152 --field-trial-handle=1948,i,11664598509958911596,6166452168696605904,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=3192 /prefetch:13⤵PID:2156
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --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=7 --metrics-shmem-handle=4160,i,11236764786396872423,5339422487577517686,2097152 --field-trial-handle=1948,i,11664598509958911596,6166452168696605904,262144 --variations-seed-version=20260513-170108.306000-production --mojo-platform-channel-handle=4180 /prefetch:93⤵PID:832
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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:4488
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- 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\Default\Preferences
- Size 12KB
- SHA256 13392525ce9d7868e637ebf7a781f18006e88bd3aef69119c5330d4084ebc1b1
- MD5 3739dcba2d84dd8257d455c5ae468240
- SHA1 c3b4733806b4a242e81b325ff2d94b8299c42cc4
- SHA512 346f912e8ebc2c49f07ee2cb591c85bb93f3436246f97c97eb75655eb7be7b38796c9c81c0321f5e847449965d05dea906222860899065179bf8a8a2a4b9d0cc
- SSDEEP 192:GR9KRkTs+/8v7+pAPRp279uHsb+WNno4kPkA2ek4fF+VyIsnAUge:GR9KREzo6UXkUwaPx2ev2e
- TLSH T14A42E82FAA14793B9CDBD25AFD327B63D3F5112221902E84E6FC892C15E75CD211702B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
- Size 17KB
- SHA256 87abfd6483e055ddeb2f8fc2f483f91af443de3130ad7f6cceeeecc94a6c2511
- MD5 04c2655e775a571e3b09dcdcd782d924
- SHA1 84dda5dbd4088a2a3591384e8279d568339c383c
- SHA512 38ea57f7244c49bbd8e846e3f0d5342b6c186f24c011ef661cc6a4f6836da0e0f816f76146075af79a69abcd50476432db60bf14c0daf6c81fe144ac588ce833
- SSDEEP 384:fFjLm7KxkXqKf/pUZNCgVLH2Hfgsl+27pLuLcSjBsXODLi+ErU3ZSHG7Ep83wCv:fVLm7KxkXqKf/pUZNCgVLH2Hfgs427p+
- TLSH T18C7208676C4C9E370F94D6C8D8267B4FADB5024B65DD886493FA982903D4BCF110A2FB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
- Size 115KB
- SHA256 7fde99d6f909d79b8a86b60b62968d83fb1cd440a7bfc907fb4bdd6b24c85a33
- MD5 eae5cf3576986e26488cd61967fffe6f
- SHA1 552f950072dcc231ad3fcf58cb8e45ac055d7322
- SHA512 864df17ef0b14bb0c08726378dec541596b578ed749d0f4b5b908d063cf7b91da38fb664ad2f80b2b8053c0d4ca4ce25aac03f84c3fc0bcf2dfb612c227588eb
- SSDEEP 3072:s8uwLcXcgVXruSixWgL0rF6jh9JDvexqw/w5nP:KwCcmXKegIh6jh9JvexhQ
- TLSH T16CB3125A28273DA688BC6EB37453338286A353A26C05F14E94CCDF0B45DEDB415EB8B4
- MD5 SHA1 SHA512 SSDEEP TLSH