Analysis
- max time kernel
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/11/2026, 15:28
Behavioral task
behavioral1
Sample
Setup TAQSIM Emulator v1.1.0.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
General
- Target Setup TAQSIM Emulator v1.1.0.exe
- Size 707KB
- Sample261107-swsymacy9x
- SHA256 78b2132c4e82c6efb06fda4a4a79efe19f3733ed20b27c45804605c72c6bc4da
- MD5 d7c9f41dfac193de56fb4bdba35ae58b
- SHA1 e7846c6df6227ac4249fd7f817796ecea060bd56
- SHA512 01b702eab59d6482f5615c1d33257512e1ee3479b521af0ce9763cfbe758d411398b368897e40e383dd10344c12a1fc9df02c0d867cfd84b7d9287f84e574a12
- SSDEEP 12288:uaHc64b888888888888W88888888888KgClVEASkBEW03QtTUD/b5rW33rD+zG/3:F86nllVETatSuezG/aYFkJR30F6rp8x
- TLSH T134F40213B3C70072F1615E34CCA680049D6779B91AF4606A2EF9DB4E4FBA7C68C76B61
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4000 Setup TAQSIM Emulator v1.1.0.tmp - Loads dropped DLL 5 IoCs
pid Process 4000 Setup TAQSIM Emulator v1.1.0.tmp 4000 Setup TAQSIM Emulator v1.1.0.tmp 4000 Setup TAQSIM Emulator v1.1.0.tmp 4000 Setup TAQSIM Emulator v1.1.0.tmp 4000 Setup TAQSIM Emulator v1.1.0.tmp - 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 System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system32\TAQSEMU.dll Setup TAQSIM Emulator v1.1.0.tmp File created C:\Windows\system32\is-PV4EA.tmp Setup TAQSIM Emulator v1.1.0.tmp - Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\Program Files\TEAM R2R\TAQSIM Emulator\is-1JSIK.tmp Setup TAQSIM Emulator v1.1.0.tmp File created C:\Program Files\TEAM R2R\TAQSIM Emulator\is-2TILH.tmp Setup TAQSIM Emulator v1.1.0.tmp File opened for modification C:\Program Files\TEAM R2R\TAQSIM Emulator\unins000.dat Setup TAQSIM Emulator v1.1.0.tmp File opened for modification C:\Program Files\TEAM R2R\TAQSIM Emulator\TAQSIM Emulator Tester.exe Setup TAQSIM Emulator v1.1.0.tmp File created C:\Program Files\TEAM R2R\TAQSIM Emulator\unins000.dat Setup TAQSIM Emulator v1.1.0.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 Setup TAQSIM Emulator v1.1.0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Setup TAQSIM Emulator v1.1.0.tmp - Inno Setup is an open-source installation builder for Windows applications. 1 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/1224-0-0x0000000000400000-0x0000000000428000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4000 Setup TAQSIM Emulator v1.1.0.tmp 4000 Setup TAQSIM Emulator v1.1.0.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4000 Setup TAQSIM Emulator v1.1.0.tmp - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4000 Setup TAQSIM Emulator v1.1.0.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1224 wrote to memory of 4000 1224 Setup TAQSIM Emulator v1.1.0.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\Setup TAQSIM Emulator v1.1.0.exe"C:\Users\Admin\AppData\Local\Temp\Setup TAQSIM Emulator v1.1.0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Users\Admin\AppData\Local\Temp\is-DDSQJ.tmp\Setup TAQSIM Emulator v1.1.0.tmp"C:\Users\Admin\AppData\Local\Temp\is-DDSQJ.tmp\Setup TAQSIM Emulator v1.1.0.tmp" /SL5="$A0094,320130,121344,C:\Users\Admin\AppData\Local\Temp\Setup TAQSIM Emulator v1.1.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4000
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\TEAM R2R\TAQSIM Emulator\unins000.exe
- Size 1.2MB
- SHA256 3505b93038d7c03082c15df7c66806f7b7bd9698d6100ae5d1def707adc5dde7
- MD5 809b97a9184186ae4c17d4d513bf0e28
- SHA1 a0d41bab7c6cecf08fffd40b0c0b951bdd0b4269
- SHA512 2878eeb8b46ccf72179ce01bfe2fa5ba1cb80199dcd814a5fc57ed204dad8e6e202dec7215df54d7517b4c0c8baf344eca93a374ae3da755e51c1a5f9fb416de
- SSDEEP 24576:3nbbPImgK4brDi4IxgRqzwqNb+Yz73P2EMZbG0JEtdqxyty:XHeKh4nqzF3PYdStol
- TLSH T1F9451822A3E24437D5732E759D7BD2946C367E202EB4E44A7EF89E0C0E75B40AD35392
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-723FS.tmp\ISSKINU.DLL
- Size 357KB
- SHA256 e28d16fad16bca8198c47d7dd44acfd362dd6ba1654f700add8aaf2c0732622d
- MD5 f30afccd6fafc1cad4567ada824c9358
- SHA1 60a65b72f208563f90fba0da6af013a36707caa9
- SHA512 59b199085ed4b59ef2b385a09d0901ff2efde7b344db1e900684a425fc2df8e2010ca73d2f2bffa547040cb1dd4c8938b175c463ccc5e39a840a19f9aa301a6c
- SSDEEP 6144:VcHtGHaERiQ2lZjiwENOcmTBHvnHwEhd:VcAiQ2rGccmT5vnhh
- TLSH T18A745B02E5D240F4C79E35392EE9A73AA3B5964E0727EAD3D325FE3E1D22082D139355
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-723FS.tmp\R2RINNO.dll
- Size 4KB
- SHA256 75e01c305e8e28eea25dea2b4b83c3d230ee6ec4ae4fe017bc7b52292e27b961
- MD5 fe369a9470426cf1570198224f8922b0
- SHA1 82cf9e81262feaa0648b20c90c88b53c9d1e9e01
- SHA512 fb31b0a0dd982f1e25f68027ae39ab2eeaeb53d570b0f60204fa058d356773c70d56fa420c12a4ee8cfaf6040be320304e16f6a8343b4b70ae231dbb3291570f
- TLSH T1208182B3ABF88566F37D8B347A19742112AEB4216B530534123A1E4E28F1E67F534222
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-723FS.tmp\SKIN.CJSTYLES
- Size 813KB
- SHA256 4731982b02b067d3f5a5a7518279a9265a49fb0f7b3f8dc3d61b82a5359d4940
- MD5 5f87caf3f7cf63dde8e6af53bdf31289
- SHA1 a2c3cc3d9d831acd797155b667db59a32000d7a8
- SHA512 4875298d82037ef1fff1ee3c58a9059d8480274326c862729fcc56664ecb49e2692c3838948c66dc8336e4050469d831cbf1fbd79b66565ab673d2a67765109d
- SSDEEP 12288:yU9IU9rU9Wsgw6LZ+cqh/USOMaZ1conC3c3QIdLw6L:Dw6LZ+cqh/USOMaZgEw6L
- TLSH T1FB05758262849BC1E16A5AF0EFE849FC55267FC6DD69861F04CB3C3931B2442558FBB3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-DDSQJ.tmp\Setup TAQSIM Emulator v1.1.0.tmp
- Size 1.1MB
- SHA256 9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07
- MD5 34acc2bdb45a9c436181426828c4cb49
- SHA1 5adaa1ac822e6128b8d4b59a54d19901880452ae
- SHA512 134ff4022571efd46f7a62e99b857ebe834e9916c786345908010f9e1fb90be226b740ddee16ae9290fe45c86be7238c4555e422abe66a461d11545e19734beb
- SSDEEP 24576:/nbbPImgK4brDi4IxgRqzwqNb+Yz73P2EMZbG0JEtdqxyt:/HeKh4nqzF3PYdSto
- TLSH T1AD453A22A3D28437D5732E759D6BD2946C367E202EB4E44A7EF89E0C0E35B41BD35392
- MD5 SHA1 SHA512 SSDEEP TLSH