Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 00:19
Behavioral task
behavioral1
Sample
update2.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
update2.exe
Resource
win11ltsc2024-20260911-en
General
- Target update2.exe
- Size 2.4MB
- Sample260930-amk8basfmd
- SHA256 e724b8417dc081196b9892e5f7c8b30b06be04916fc05f887ccc080e5ba8f5af
- MD5 d9d8c27d9ff894854b58d011d3290a97
- SHA1 11cd95a1f8e992b5bb4bee17cd1d01964edb35bc
- SHA512 3c08a954d9425327b0ca5810bdc31bf947e9f17cf68f402b126b8b84e30aabbe786cd8cdebade240a9af96b6499ca20b787c58915fa0f1d211d52c4480523ad7
- SSDEEP 49152:ofC7+hLkJiLw/KtbDITXjJG0zvq8ulcdhhtosT1MNIMnMznc2:FoLr9DITjJG0boO1pH
- TLSH T1BCC59E22FB8290B2E4D601B062BE6BF75D787234532558CBE3C01D6A59206D3763AF5F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: MilleniumRat
MilleniumRat is a remote access trojan written in C#.
- Detects MilleniumRAT stealer 1 IoCs
resource yara_rule behavioral1/files/0x0009000000024327-2.dat family_milleniumrat - Uses browser remote debugging 2 TTPs 1 IoCs
Can be used to control the browser and steal sensitive information such as credentials and session cookies.
pid Process 4756 msedge.exe - Executes dropped EXE 1 IoCs
pid Process 1316 vshost.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 32 raw.githubusercontent.com 31 raw.githubusercontent.com - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 ip-api.com - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2316 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain vshost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname vshost.exe - System Location Discovery: System Language Discovery 1 TTPs 4 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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language update2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vshost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 4392 msedge.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString msedge.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3796 timeout.exe - Enumerates system info in registry 2 TTPs 5 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe - Suspicious behavior: EnumeratesProcesses 37 IoCs
pid Process 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1324 msedge.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe 1316 vshost.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1316 vshost.exe Token: SeDebugPrivilege 1316 vshost.exe Token: SeDebugPrivilege 1316 vshost.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4756 msedge.exe 4756 msedge.exe 1324 msedge.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1324 msedge.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2692 wrote to memory of 1316 2692 update2.exe 90 PID 1316 wrote to memory of 4756 1316 vshost.exe 101 PID 4756 wrote to memory of 1324 4756 msedge.exe 102 PID 4756 wrote to memory of 4392 4756 msedge.exe 106 PID 1316 wrote to memory of 2316 1316 vshost.exe 112 PID 2316 wrote to memory of 3796 2316 cmd.exe 114
Processes
-
C:\Users\Admin\AppData\Local\Temp\update2.exe"C:\Users\Admin\AppData\Local\Temp\update2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Users\Admin\AppData\Local\Temp\8cVToaPU\vshost.exe"C:\Users\Admin\AppData\Local\Temp\\8cVToaPU\vshost.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --remote-debugging-port=9222 --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --profile-directory="Default" --headless --disable-gpu3⤵
- Uses browser remote debugging
- Enumerates system info in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x234,0x238,0x23c,0x230,0x2bc,0x7ff85e0ec188,0x7ff85e0ec194,0x7ff85e0ec1a04⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1324
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --force-high-res-timeticks=disabled --always-read-main-dll --field-trial-handle=1972,i,15290166020197191914,2144993968483771036,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=1968 /prefetch:34⤵
- System Time Discovery
PID:4392
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-
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C:\Windows\SysWOW64\cmd.execmd /c timeout /t 3 /nobreak & rd /s /q "C:\Users\Admin\AppData\Local\Temp\8cVToaPU"3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\SysWOW64\timeout.exetimeout /t 3 /nobreak4⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3796
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:3128
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\reports\a3d80ab7-43c6-424f-8c86-dd013213357b.dmp
- Size 7.3MB
- SHA256 832868482bd0eaf6041a79e34ffaeb12facaee3ab1d8cece0d96210f8ed2f9e5
- MD5 85b3af2df633fa274f5bd9559a003df7
- SHA1 eda6b9531d8a48a29463c7f0189eafac6b2485de
- SHA512 1d240d1773c04994d1b4613345aabcfaee1560630e4a7af0d12567f441486e2a6de64d7bbd8ab15173f7ccfcefa57adce13784f8a7af509814f54dade2fcbd1c
- SSDEEP 49152:0jOmF0o8r37UntSal/d1Is0TRBI+8wqJEddKdNXfqCy:0jOS0Xr37MRd1Is0TRBI+znjKd1fPy
- TLSH T15076E966B7D2465AF00A8F364492F7B0E7F6ECE6BA81831B2510739D1CB73485F97908
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\reports\c7e2933d-c51b-408b-9086-e3509aaeb183.dmp
- Size 6.0MB
- SHA256 6b8c8dcc650af54719a8de03a949cf14d17270f8ac8b98d34d84c23f9177555c
- MD5 421611e3e3e4ecace1a7d529c85369f5
- SHA1 5f183413076a861bdf1569b823de587214ee4329
- SHA512 bd448128484afbfed78a491b6de5ef246cb10b637422dcf97e2c462a3744481bd720c66a88a5f91291ae7b36f9ad8660532b86aa351cdc1a72218dd64bf2ca75
- SSDEEP 49152:KGOmFUX8r37UnOQ95cciIhFmL9urciG1vMz1:KGOSUsr37EmciIhFmL9wcr1vMB
- TLSH T12D56FA62B7D7469AF00A8F364492F7B0E7F2ECF5BA81832B651073991C773485F96608
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
- Size 280B
- SHA256 04d384e503ac7726cb96f043e69cad98489c2eafc2665c80e33cb016d873b6e5
- MD5 c5a323aac1462c81d1642ed0f7b1b5a2
- SHA1 c07fc90a5c5d549ecbf33b4bc8cb6cb9ca204f88
- SHA512 222a743460a5faf30304aa1d67f0e10e2db3eb1a339b1bbf5ca524b4a2fcaa1361289e4358333bae502b5bb38029cddb6902b4cd64293b0ad42b474cee75f892
- TLSH T1B2D02BA4A3D839C9E112183602214366348D40A15057E010CCA0518907C91538281460
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
- Size 280B
- SHA256 9a8e5b0192efe4f72ed59b5b933c1df5a2c9346539ec8246539c1a422f19d014
- MD5 4ea59162891607d9b37de02bd06bf727
- SHA1 3c96db828f594f52fd5887c66e3ec15499995c93
- SHA512 01434c74565cce47a39c89c16edeaf74eecfe09f91f082c893af44248b377aa8d40a618f7f5b8bf03e6d0b0ba08b48b2f9c211fd222afd716f047689a1d33e3a
- TLSH T16BD02BA4B3D87ACAE213183602214376348D44A16157E010CCA0A1890BC91538281460
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
- Size 280B
- SHA256 0e249170bbcfe30a2a7f421f287b6f81c1c4b71b07e845351f15d008b660ff09
- MD5 81d112607d82fd2070ddb7aeeb981683
- SHA1 14d14f6413d240f3629ae2eba8f5d1139dc415d0
- SHA512 983c5ff8fde2dccf9dc8cf1c11f0008f124b59c2922b2ae470dc2c7595c82289abfd0b4819d73f1bf062a77e62e9ed53318e5f62978a688554f46d0a6c41cbfb
- TLSH T1CFD02BA463D83DC9E512183602204366348D40A15057E111CCA0518907CA1938281460
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\temp\edge_shutdown_crash.txt
- Size 1B
- SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
- MD5 c4ca4238a0b923820dcc509a6f75849b
- SHA1 356a192b7913b04c54574d18c28d46e6395428ab
- SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DawnWebGPUCache\data_1
- Size 264KB
- SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
- MD5 f50f89a0a91564d0b8a211f8921aa7de
- SHA1 112403a17dd69d5b9018b8cede023cb3b54eab7d
- SHA512 bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
- SSDEEP 3:MsEllllkEthXllkl2zE:/M/xT02z
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico
- Size 70KB
- SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
- MD5 efe54a870e0f5ff28d7e00036b861065
- SHA1 10663a71c9815382ca5a1689dfcebe737c557b1d
- SHA512 4d7ed9d3e22a58f0e169c9200e351d3a938c82ab7920567f67bf29d33b28192329ea05657d1077aebaf2c2b5151eb50c84e5ab590733ff824389566d93381c01
- SSDEEP 1536:fAlMWz7vLDtDSVlXXwpFlorgLUxF+nubjUDSlBczkF1D/u1:fvuWAUxFDbY+0zkjDG1
- TLSH T1DA639F406A6479E8E814CBF59C69B7D30B95CFDC51A252E831F4FE7AB681494C90CFC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\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\Microsoft\Edge\User Data\Default\Web Data
- Size 224KB
- SHA256 8b36e43232843fb1ca0a21c3344b07b38856ebf257f21ab46a9d549b0c3ebb3d
- MD5 17f746a1e16b815f29f47fbfe1bd0e04
- SHA1 70444643c16c033c890d0cf51b379e21ca230a63
- SHA512 00c05a2bc0221ca19f81599bf311a4bab64f83d9dff7e36467b2313307a50a35175b7c5808b3b4c775c9c7c4ab148ded42c222ccd602d3db07d8cbc621cff13c
- SSDEEP 192:P+x3fT8w0QQnG2IMW1hPJubRd6vPtcdCewdbsc7V1VJ:mx3fQ9QQn7IMW1hPJuVd6vPkxW
- TLSH T1C524640A7B787001EDE3D9725CB080771E3CA16DCF22A6915DB654694EB2853A23D8FF
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
- Size 9KB
- SHA256 2e8f9ad1cf875f6800642ac43a0dce267583581a2e1732ac5f04d9e78cc265ab
- MD5 1a60f87f3541e9df7aab3c638fda3eea
- SHA1 32aeec0eaee744425cc33184eb0a568cb0946dd1
- SHA512 849b6109f9ca01fc61bf7a6b61afe3c0a18225ad9f10a5ac975ba28678c106358370cbe9159f3100aeb68a2739c49061eb5f2f8b0c594a73831af124ab1720df
- SSDEEP 96:KqONkL5QsjpfbU8H5ih/cIPURHl8h4otoV458FjD8lBPP4v+Y1xf//ojdqxERtIu:BONJ6JUTQmiUz8x8bXo//S+ZdNxx1UU6
- TLSH T176120935B8B8BC7B5E93A841F08736135EA44167EB856F94D6EC2E2C05DF29C2307D26
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\d3e206c8-69b6-4e1b-80f1-1f054984b172.tmp
- Size 8KB
- SHA256 bf3193169899e8e3306a5f4b8db93fb7a6274bfc4d5cd69fe276ee5b031850dd
- MD5 e126cccd53258ccfa58f7c325499e8a6
- SHA1 b4b853eaf71e84a7ac7a0ca9e969b94a13969bf7
- SHA512 71dafa5ee7504a23f7d072d41e37caf7d8c5ba725e71e2712a4c5de3c92d13de25f90ceeefccbc751ec5ed08d893123c5fcd7d0455c335ada556be797947d9ad
- SSDEEP 96:KqONkiQsjpfbUmjH5ih/cIPURHl8h4otop58FaD8lBKP4v+Y1xf//ojdqxERtIgu:BONm6JUm0QmiUy8G8bso//S+gBCbQ2U6
- TLSH T1AD02E839AC78BC7B8EF39E45B0477B239FA4106BAA916F84DAD81E1D01D725C1307826
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\8cVToaPU\vshost.exe
- Size 2.4MB
- SHA256 e724b8417dc081196b9892e5f7c8b30b06be04916fc05f887ccc080e5ba8f5af
- MD5 d9d8c27d9ff894854b58d011d3290a97
- SHA1 11cd95a1f8e992b5bb4bee17cd1d01964edb35bc
- SHA512 3c08a954d9425327b0ca5810bdc31bf947e9f17cf68f402b126b8b84e30aabbe786cd8cdebade240a9af96b6499ca20b787c58915fa0f1d211d52c4480523ad7
- SSDEEP 49152:ofC7+hLkJiLw/KtbDITXjJG0zvq8ulcdhhtosT1MNIMnMznc2:FoLr9DITjJG0boO1pH
- TLSH T1BCC59E22FB8290B2E4D601B062BE6BF75D787234532558CBE3C01D6A59206D3763AF5F
- MD5 SHA1 SHA512 SSDEEP TLSH