Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 09:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe
- Size 288KB
- Sample260809-lnw7ravdre
- SHA256 5b5df19767fa2de0bb8f46f187bb9cb7d672f162894975dcd74ee43db09e0938
- MD5 f37fc1a4f6d3fd223a738dcfc4a3de5d
- SHA1 9317538cbfa3351c4031ea17de1472492b40a576
- SHA512 e29b6aa35eee0209f2cae486c8a1acb92a2f7f8dcf167e10b833486113f24c317b4e0e9e18fde1b1d79e8fc7618e0f598a80901eed9b6997b115338388197c28
- SSDEEP 6144:8Q+Tyfx4NF67Sbq2nW82X45gc3BaLZVS0mOoC8zbzDie:8QMyfmNFHfnWfhLZVHmOog
- TLSH T14F549C107691C432C457267045AFABB24D793A752F36A6C3B7E01E69DE203E2EE7434E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 2724 taskhostsys.exe 2468 taskhostsys.exe - 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 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskhostsys.exe - Modifies registry class 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\Content-Type = "application/x-msdownload" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\ = "jitc" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\open\command 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\open 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\DefaultIcon\ = "%1" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\runas\command 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\runas\command\ = "\"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\taskhostsys.exe\" /START \"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\runas 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\taskhostsys.exe\" /START \"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\DefaultIcon\ = "%1" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\open\command 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\open 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\runas\command 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\runas\command\ = "\"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\Content-Type = "application/x-msdownload" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\DefaultIcon 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.exe\shell\runas 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\DefaultIcon 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\open\command\IsolatedCommand = "\"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\ = "Application" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\jitc\shell\runas\command\IsolatedCommand = "\"%1\" %*" 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2724 taskhostsys.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4372 wrote to memory of 2724 4372 2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe 89 PID 2724 wrote to memory of 2468 2724 taskhostsys.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_f37fc1a4f6d3fd223a738dcfc4a3de5d_elex_mafia_nionspy_remcos.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe"3⤵
- Executes dropped EXE
PID:2468
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe
- Size 288KB
- SHA256 89a6306232c10c12f428d738fd8eb502d779f4108d7da9a33070481040d6b4c9
- MD5 f9d5b1a17e3b5c5003c5eed5d804b89c
- SHA1 85af9f59cdc8087d493e4cb61c508417d918e8f7
- SHA512 b90971a67ec9971bbdd410b9a81d684ea38bddb14d2d480341578477c4ccb94c2e79e5d5a29b16c0a6de4f9de739655d0699883023d2d825807cd23686ba9e6a
- SSDEEP 6144:JQ+Tyfx4NF67Sbq2nW82X45gc3BaLZVS0mOoC8zbzDie:JQMyfmNFHfnWfhLZVHmOog
- TLSH T17A549C107691C432C457267045AFABB24D793A752F36A6C3B7E01E69DE203E2EE7434E
- MD5 SHA1 SHA512 SSDEEP TLSH