Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/10/2026, 15:00
Behavioral task
behavioral1
Sample
20018f354f7df2edf52aeda881bfad23.exe
Resource
win10v2004-20260911-en
13 signatures
150 seconds
General
- Target 20018f354f7df2edf52aeda881bfad23.exe
- Size 2.0MB
- Sample261011-sdgsmsby9l
- SHA256 d077cd6d3d76021e95715bb48af8d6483206d2b903ce3096ab5c8107c33baa1f
- MD5 20018f354f7df2edf52aeda881bfad23
- SHA1 82796a7e2c5a239e92ec8594bdef6a1a64fbb7ba
- SHA512 a78365cb5f94dd5343c4573dcd7d8c8a27ff1609a665833d31d339ce6c8368395df426b671e03c23fe649e201615ce98a2c84937d5e2b12d6faa2cfb2faa8e08
- SSDEEP 24576:GXVrSLScusMmOvjjhzvLpXbc4lkDa7iUd+Sh97V6K8pmFH7BPNQ3ArPkBJultjKa:puI2hZHaD2foSL3rdf/rVltjkCt
- TLSH T122A5D03FB28B653EE06E5A367A76A210983B7A6165134C56D6F4C88CCF250701E3F787
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
flow pid Process 7 4616 netupd.exe - Executes dropped EXE 3 IoCs
pid Process 1208 20018f354f7df2edf52aeda881bfad23.tmp 2432 broker.exe 4616 netupd.exe - Loads dropped DLL 2 IoCs
pid Process 2432 broker.exe 4616 netupd.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 5868 wscript.exe 3696 wscript.exe - Enumerates video capture drivers 2 TTPs 2 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 broker.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 netupd.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\Domain broker.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname netupd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain netupd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname broker.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 20018f354f7df2edf52aeda881bfad23.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20018f354f7df2edf52aeda881bfad23.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language broker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netupd.exe - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/2320-0-0x00000000008E0000-0x00000000009BC000-memory.dmp innosetup behavioral2/memory/2320-76-0x00000000008E0000-0x00000000009BC000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1208 20018f354f7df2edf52aeda881bfad23.tmp 1208 20018f354f7df2edf52aeda881bfad23.tmp 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 4616 netupd.exe 2432 broker.exe 2432 broker.exe 4616 netupd.exe 4616 netupd.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 2432 broker.exe 4616 netupd.exe 4616 netupd.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1208 20018f354f7df2edf52aeda881bfad23.tmp - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2432 broker.exe 4616 netupd.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2320 wrote to memory of 1208 2320 20018f354f7df2edf52aeda881bfad23.exe 89 PID 1208 wrote to memory of 2432 1208 20018f354f7df2edf52aeda881bfad23.tmp 90 PID 1208 wrote to memory of 4616 1208 20018f354f7df2edf52aeda881bfad23.tmp 91
Processes
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C:\Users\Admin\AppData\Local\Temp\20018f354f7df2edf52aeda881bfad23.exe"C:\Users\Admin\AppData\Local\Temp\20018f354f7df2edf52aeda881bfad23.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Users\Admin\AppData\Local\Temp\is-T1033JK7AS.tmp\20018f354f7df2edf52aeda881bfad23.tmp"C:\Users\Admin\AppData\Local\Temp\is-T1033JK7AS.tmp\20018f354f7df2edf52aeda881bfad23.tmp" /SL5="$400AE,945919,842240,C:\Users\Admin\AppData\Local\Temp\20018f354f7df2edf52aeda881bfad23.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin1\broker.exe"C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin1\broker.exe" -Embedding3⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2432
-
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C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin2\netupd.exe"C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin2\netupd.exe" -Embedding3⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4616
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\88787799\362608F6.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:5868
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\60361603\D00712B3.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:3696
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin1\GameuxInstallHelper.dll
- Size 102KB
- SHA256 eb704358a6152c551e29fe8efaa69ac2253c41e0c09610c7c12ed275dc581be5
- MD5 1a1a139654dc36d163cc891bc0ca21df
- SHA1 e537925cdd892c43ca0eac551f54df61397cb82f
- SHA512 94d019bd9227b8cfb1578ea969ae741448646ea81f00aec8df0958eeaf1dd0c37302e737047b115d536cc454581b5aee82c1cb119e0b6c319bf12a1e1f7d261b
- SSDEEP 1536:BQ0ahx7X/KNI/aOdeiL+dK0dPRuh/MN0HWX9L9via3oIOeCdiePAR:BQ0eO/i3ak5HWtL9vPeeCdieYR
- TLSH T1A3A38D45E68786F2D97701B18CCBA77E9220F254A434CEEBFB4C9745F52772148832DA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin1\broker.exe
- Size 111KB
- SHA256 54cb961158654b2bb532f278f510875bbf343f6be3b4ecc263b29f9f9964ce71
- MD5 eb6bfc4a922c10420e1d42f438ce792e
- SHA1 49a50d8b2ecac99fcf7c104e3527e526bfdb8a23
- SHA512 82f9b1175b8a2bdc0dd24acdd830efa037f018988be71446fa6d53ebe67e4d321fcaa6f8bd217f69c29f19c3dc2087cd73b15b8c5d098f06b6f96c94cfeffe56
- SSDEEP 1536:ahSUvJEGEfSySB59j+I3eTw/b7jZFVc5D4BtTGYywBu3PmdX9L9viab:AT+fSrbInY3eD4Btn2POtL9vPb
- TLSH T1FFB38D426790E471D89206309C59C6708A37BC71BB7885CB3394BE6FBEB07D1A873766
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin2\GameuxInstallHelper.dll
- Size 102KB
- SHA256 faa3f92fc55d25344526e9405f8835dae2e7a3bcd0d9096d318bf232c0e792c1
- MD5 05eb89ec5d465ea5b77180164336d442
- SHA1 5760da6aa94bf359c1559b54c81f3d9d66df1288
- SHA512 17b09e2e248c7f5609400304d1da203084d634f3356d72f30f4fb09a4ca5525abf6c4de7b8b93bc8c5288706e27365060e268b49bdf08a75d0f1830f7b5b8627
- SSDEEP 1536:vxg0ti7X/KNIwV55AnNg6K0dXxcuH1MY5AMYRphSp1IO/RdjekUnR:vxgIJknN4a5vAMY0p//RdjekUnR
- TLSH T115A38D00FE8601F2F03761B088D7877FCA64F36584B4DAABFA8C4B45BA27B1585991D9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\KestrelDynamicsLtd\PatchLineUpdater\1.1.3822.2026101116002998\bin2\netupd.exe
- Size 111KB
- SHA256 73aaf6ed09a1e7e944e305fc702b829f0d1f8bb1965e7286b6041f71a6c71729
- MD5 3b8398f68b2ef4e2b473c8483e1396ab
- SHA1 d69b5144a3170d0f072ec06aca97f74bc1082b67
- SHA512 4556cef01aa99e87aae37aefa148cf322583713de7a2cdeecc41f0d1ff8a712fb3a390e07dc13f4f94c061f58871dd775e424396a46bcc7367df7ae00006a0df
- SSDEEP 1536:vhSUvJEGEfSySB59j+I3eTw/b7jZFVc5D4BtTGYywBu3PmYYRphSpg:ZT+fSrbInY3eD4Btn2PzY0pg
- TLSH T1CBB38D516BA0D071F02226309865C6708EB6BE719BB5C1CB37887E6F3E717D1E8B1726
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-T1033JK7AS.tmp\20018f354f7df2edf52aeda881bfad23.tmp
- Size 4.1MB
- SHA256 275461fc4f847e3e737999c9fcd0bce3cf505a4bf542eeea6e6cb5925e0f1aae
- MD5 c3c7581582b6d75757c4e9e40addcf21
- SHA1 89b8734a6776404095e908b58bdd61103f89f376
- SHA512 29a9b20c58a37ac429e889dcb16697bf383d08148c60a507fdb8fad122bd344828af8179df8b9a985a2695860b9a4c5c1d263bf2e21c6dde9bfe7d8b54330ae3
- SSDEEP 98304:t9SZUvl30aj90ZFcvdQ0hdgvminQLMj+Jv3337:CItJj90Z6RgKwQ
- TLSH T1CA168E03B388753EE4B71A3A883FA654583F7A213A26CD4B6BF4095C4F396416D3A747
- MD5 SHA1 SHA512 SSDEEP TLSH