Analysis
- max time kernel
47s - max time network
51s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
02/09/2026, 00:18
Behavioral task
behavioral1
Sample
2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe
Resource
win10ltsc2021-20260513-en
13 signatures
150 seconds
General
- Target 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe
- Size 4.1MB
- Sample260902-alr98sdl71
- SHA256 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3
- MD5 1813869bc6abb707250d89ae8b57ccb1
- SHA1 a2d518da5c2c73c5f209cec920532d756e7d931f
- SHA512 10e3462cadf5af1adbcab4d14a911020ce65037532165777068e58fc328d98e5aacf59acc51683c277a9782f85a8494208ef284376dde0e813ddfa4654c3d9b3
- SSDEEP 49152:puI2h0/UpSX/OSU/arO4Eo2uVryCoEjXecfxGeJF82hbNYFWfoSL3rdf/rVltjkY:p5O0/DlEarZEo2ayCoAppHJm2rJztF
- TLSH T15416023FB28B653EE06A5A367A76A210553F766165138C16D7F4C88CCF250B01E3FB86
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
flow pid Process 16 2628 broker.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1741132852-2793423776-1557670484-1000\Control Panel\International\Geo\Nation 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp Key value queried \REGISTRY\USER\S-1-5-21-1741132852-2793423776-1557670484-1000\Control Panel\International\Geo\Nation 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp - Executes dropped EXE 3 IoCs
pid Process 3176 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp 3692 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp 2628 broker.exe - Loads dropped DLL 1 IoCs
pid Process 2628 broker.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 4004 wscript.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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 broker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp - Inno Setup is an open-source installation builder for Windows applications. 4 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/1220-0-0x00000000004A0000-0x000000000057C000-memory.dmp innosetup behavioral1/memory/2148-8-0x00000000004A0000-0x000000000057C000-memory.dmp innosetup behavioral1/memory/1220-11-0x00000000004A0000-0x000000000057C000-memory.dmp innosetup behavioral1/memory/2148-39-0x00000000004A0000-0x000000000057C000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe 2628 broker.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3692 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2628 broker.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1220 wrote to memory of 3176 1220 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe 82 PID 3176 wrote to memory of 2148 3176 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp 83 PID 2148 wrote to memory of 3692 2148 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe 84 PID 3692 wrote to memory of 2628 3692 2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe"C:\Users\Admin\AppData\Local\Temp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\is-FNJFI1BSVK.tmp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp"C:\Users\Admin\AppData\Local\Temp\is-FNJFI1BSVK.tmp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp" /SL5="$5028C,3054473,842240,C:\Users\Admin\AppData\Local\Temp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3176 -
C:\Users\Admin\AppData\Local\Temp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe"C:\Users\Admin\AppData\Local\Temp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe" /PASSWORD=oEbfBGbfPMmCxC5a3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Users\Admin\AppData\Local\Temp\is-WNG0S17RC6.tmp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp"C:\Users\Admin\AppData\Local\Temp\is-WNG0S17RC6.tmp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp" /SL5="$6028C,3054473,842240,C:\Users\Admin\AppData\Local\Temp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.exe" /PASSWORD=oEbfBGbfPMmCxC5a4⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Users\Admin\AppData\Local\Temp\1839aa3410cfdc2ecb00d12f814f36ae.bak\broker.exe"C:\Users\Admin\AppData\Local\Temp\1839aa3410cfdc2ecb00d12f814f36ae.bak\broker.exe" -Embedding5⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2628
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\96BFAD3E\96B1E526.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:4004
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\1839aa3410cfdc2ecb00d12f814f36ae.bak\GameuxInstallHelper.dll
- Size 101KB
- SHA256 e00fc087c103281f76ef2eeac7442d0ca9e03c705dab495a6ad2e0070fd610fe
- MD5 c27954c260f504d90a5ece27a9460e0d
- SHA1 efbea56b97f6329c2a536d16656944bd8ea34d7a
- SHA512 1f73c8ffa8efc4c90e9532309cdfe55b080a12f0c5d6a6ebcc6bdab992325a0abfc8e3cca36b1afc3a8cb8e07f51801e0d2067b139203dcbae877eaf37a3d9a2
- SSDEEP 1536:tzX0YH3SjE/f3Wc0nqEqior9lkaVdvx8uHFM4/QMIOcpc8AWpo:tj0YXD353fiorf9jxVQCcK8hu
- TLSH T1B7A35A81EAC344F2E93B55F08CDBA7BF8230732A8579C9F6E68C5F45B92371116462C9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\1839aa3410cfdc2ecb00d12f814f36ae.bak\broker.exe
- Size 111KB
- SHA256 f03edfc48675e00e192f16c95be982be4e166094ffaf36f3831d2b9e826a74ff
- MD5 39f69b0798fc3e825551a6b3e4ee464d
- SHA1 a9cd29cc431bba15f22e8d0be08f592ac99873ed
- SHA512 3035703ab25dcfb126e530467a1c7553cffa530ae279f4654b8a3826d37a1a28345d981defc9303aa8956eb1573fe4f69158b031caf5e60f3d4669d9dd388696
- SSDEEP 1536:qhSUvJEGEfSySB59j+I3eTw/b7jZFVc5D4BtTGYywBu3PmVY8w592F6BRATBvHc9:wT+fSrbInY3eD4Btn2PTP2FSAVH1Q
- TLSH T123B39D427B90D432E0921A309965C6714F377C329BB9C5CB37947E6E3EB23C1A939366
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-FNJFI1BSVK.tmp\2b371117fd3dc235ab72fa57397da7ed522ab65c665b2b0d62526ceafa3aa2c3.tmp
- Size 4.1MB
- SHA256 659ffda7ddd09b7758358422a38bc1c2d080e83a79018428bccea1b691d69102
- MD5 28c299d787ead11f25deb9ca622d1be1
- SHA1 185496954958448f896b0cf41cd77625a0a27737
- SHA512 1755efccb7012b89eb96274840991fd43bfe295f54a3a75572825cf332d03eee6ce1423324d2a0ccb9517ed99945780ba36e4bcb0f753728f07bd28798da176d
- SSDEEP 98304:t9SZUvl30aj90ZFcvdQ0hdgvminQLMj+Jv3335:CItJj90Z6RgKwm
- TLSH T121168E03B388753EE4B71A3A883FA654583F7A213A26CD4B6BF4095C4F396416D3A747
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\scr_initsetup.log
- Size 76B
- SHA256 cc34f3544e22a61178ad5efcad688cef7d408d1dc573142429e5632ffb249044
- MD5 f3e4e939340319298e7c2d02cc7e403b
- SHA1 09988fc3fb62b508a75e8bd55da48f8bf4a68386
- SHA512 b9101e5d45cfc3b6128a89276d2ce1bc2b1439827816967fa377c8fa904999c247f2c2b505d4fe83a1b8d515a103db2be40ca9ccce52f5d9478f82e9e4a947ea
- TLSH T117A0043D74477573F10744D1D17470DD73C3051D45D11D405451745F15007C1D404D70
- MD5 SHA1 SHA512 TLSH