Analysis
- max time kernel
151s - max time network
104s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/07/2026, 23:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe
- Size 35.0MB
- Sample260719-3fxa8aaw4z
- SHA256 b8d1da99591d2bf6dd481a1ebb86d956910d79f882b9a6e3219238aafd83ca1d
- MD5 1a0044b36168e40b80a1c36c6f6b2460
- SHA1 af4b41647bc90700141f49c7126e7288339b5e66
- SHA512 3e646c898eaee601e6fd99a0ce28465a1e1ddbf0ed7c01eb74d7e28d09877ec767277ccf9307b98b8afc048e6fbc8222d3509ac3710d94dd9d13adf017e24855
- SSDEEP 786432:OLAVVU/dJZWm58QWahyQWahIVVU/dJZWm5:OAD6vZWmaQPAQPWD6vZWm
- TLSH T1A98723103F994A63E53B3A315E1AF03C335EEB581538775F21A1670EAB782961371B2E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects executables packed with VMProtect. 20 IoCs
resource yara_rule behavioral2/memory/4164-8-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-9-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-11-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-12-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-13-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-16-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-15-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-17-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-20-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4164-25-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-42-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-43-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-48-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-49-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-52-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-51-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-46-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-44-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-58-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4344-65-0x0000000002710000-0x0000000002F75000-memory.dmp INDICATOR_EXE_Packed_VMProtect - Deletes itself 1 IoCs
pid Process 4344 rfTv8PtflP.exe - Executes dropped EXE 2 IoCs
pid Process 6084 rfTv8PtflP.exe 4344 rfTv8PtflP.exe - Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: rfTv8PtflP.exe File opened (read-only) \??\N: rfTv8PtflP.exe File opened (read-only) \??\O: rfTv8PtflP.exe File opened (read-only) \??\P: rfTv8PtflP.exe File opened (read-only) \??\V: rfTv8PtflP.exe File opened (read-only) \??\X: rfTv8PtflP.exe File opened (read-only) \??\I: rfTv8PtflP.exe File opened (read-only) \??\L: rfTv8PtflP.exe File opened (read-only) \??\Q: rfTv8PtflP.exe File opened (read-only) \??\D: rfTv8PtflP.exe File opened (read-only) \??\J: rfTv8PtflP.exe File opened (read-only) \??\R: rfTv8PtflP.exe File opened (read-only) \??\U: rfTv8PtflP.exe File opened (read-only) \??\W: rfTv8PtflP.exe File opened (read-only) \??\Y: rfTv8PtflP.exe File opened (read-only) \??\Z: rfTv8PtflP.exe File opened (read-only) \??\G: rfTv8PtflP.exe File opened (read-only) \??\H: rfTv8PtflP.exe File opened (read-only) \??\T: rfTv8PtflP.exe File opened (read-only) \??\S: rfTv8PtflP.exe File opened (read-only) \??\K: rfTv8PtflP.exe -
resource yara_rule behavioral2/memory/4164-18-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4164-21-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4164-23-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4164-33-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4344-41-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4344-53-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4344-45-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4344-54-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4344-56-0x0000000000400000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/4344-59-0x0000000000400000-0x0000000000F4C000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfTv8PtflP.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfTv8PtflP.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe - Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rfTv8PtflP.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 rfTv8PtflP.exe - Enumerates system info in registry 2 TTPs 8 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion rfTv8PtflP.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS rfTv8PtflP.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer rfTv8PtflP.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName rfTv8PtflP.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 6084 rfTv8PtflP.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4280 wrote to memory of 4164 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 89 PID 4280 wrote to memory of 4164 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 89 PID 4280 wrote to memory of 4164 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 89 PID 4280 wrote to memory of 4164 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 89 PID 4280 wrote to memory of 4164 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 89 PID 4280 wrote to memory of 4164 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 89 PID 4280 wrote to memory of 4164 4280 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 89 PID 4164 wrote to memory of 6084 4164 2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe 90 PID 6084 wrote to memory of 4344 6084 rfTv8PtflP.exe 91 PID 6084 wrote to memory of 4344 6084 rfTv8PtflP.exe 91 PID 6084 wrote to memory of 4344 6084 rfTv8PtflP.exe 91 PID 6084 wrote to memory of 4344 6084 rfTv8PtflP.exe 91 PID 6084 wrote to memory of 4344 6084 rfTv8PtflP.exe 91 PID 6084 wrote to memory of 4344 6084 rfTv8PtflP.exe 91 PID 6084 wrote to memory of 4344 6084 rfTv8PtflP.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Users\Admin\AppData\Local\Temp\2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-19_1a0044b36168e40b80a1c36c6f6b2460_elex_luca-stealer_mespinoza_njrat.exe"2⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Users\Admin\AppData\Local\Temp\rfTv8PtflP.exe"C:\Users\Admin\AppData\Local\Temp\rfTv8PtflP.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:6084 -
C:\Users\Admin\AppData\Local\Temp\rfTv8PtflP.exe"C:\Users\Admin\AppData\Local\Temp\rfTv8PtflP.exe"4⤵
- Deletes itself
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
PID:4344
-
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:6036
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ColudP.s
- Size 1B
- SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
- MD5 c4ca4238a0b923820dcc509a6f75849b
- SHA1 356a192b7913b04c54574d18c28d46e6395428ab
- SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\Mcc.mcc
- Size 8B
- SHA256 786c77400dc68484fa41143e005b19659170e4d5022dee54df870c2ee2608395
- MD5 04823a8b224d7b93bdb04f734dbe65ea
- SHA1 55ca830ef6a33c9c9fc82572907d289b45f93f07
- SHA512 7a7f10b99ded3cd1451feee76aa5e418a54a256f3492ecb2a23665f37e62e8ec01d76bbe06532b8eb6350b537a8f9ab4235dfac153bca1de624eb736de5323b5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\Temp.dat
- Size 4.4MB
- SHA256 bcb5a228f2ec27c40b17e2b01568a9fc086e6835fd4f310f137ce044181102cb
- MD5 fa2a9dd101254f937ee58a1d07801aa8
- SHA1 ec7d67cf2641a89beac7dbb3ff9aca57acdf48a0
- SHA512 1c54437bf66adffc1c2884781be5915408194061b5adda9654da5ae1e3340e782068cbd9de534781f84d2c51390d23d3677e6e36bed5d3f85674191fe10b70e2
- SSDEEP 98304:GoRpP2R+jV8gMMaHu33YxoQSoM12ll1ylQzLuHihHUt6lUBuAujj:GoH2R+jTMMJ3YxoSMyganusUt6cu3
- TLSH T12526330E88DB9110AECC563D5DCED56D0F3E5D6E18D7A4CBE58AB5EC1CB1218F62882C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ac_delete_flags_20.ini
- Size 140B
- SHA256 5dc66607e6ebe82ddc002599e5077ddf19c3ea443ac4f4786d34a9e6d3a88958
- MD5 8e760552b5205209823d6cac34042789
- SHA1 d0ffdd7f5ee294005c10bc0dd12514595b638bd3
- SHA512 661faa346bd92548bbf4c3612c947cbc7f0e67cb0288a4cec0e2def0ddc2cd793f5b9849af92d00b0bcdbcbea14c09399c1d37791f2e3de98665c1564293362b
- TLSH T188C02B004529830C3ACC600BC1DE1E56CD06060D17C37710C348552532C4C0FB478EA8
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\rfTv8PtflP.exe
- Size 35.0MB
- SHA256 b8d1da99591d2bf6dd481a1ebb86d956910d79f882b9a6e3219238aafd83ca1d
- MD5 1a0044b36168e40b80a1c36c6f6b2460
- SHA1 af4b41647bc90700141f49c7126e7288339b5e66
- SHA512 3e646c898eaee601e6fd99a0ce28465a1e1ddbf0ed7c01eb74d7e28d09877ec767277ccf9307b98b8afc048e6fbc8222d3509ac3710d94dd9d13adf017e24855
- SSDEEP 786432:OLAVVU/dJZWm58QWahyQWahIVVU/dJZWm5:OAD6vZWmaQPAQPWD6vZWm
- TLSH T1A98723103F994A63E53B3A315E1AF03C335EEB581538775F21A1670EAB782961371B2E
- MD5 SHA1 SHA512 SSDEEP TLSH