Analysis
- max time kernel
150s - max time network
117s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/10/2026, 02:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe
Resource
win11ltsc2024-20260911-en
12 signatures
150 seconds
General
- Target 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe
- Size 988KB
- Sample261014-c3c8rae19m
- SHA256 7828bbe01bb6153d924846275b1514cdc525a4c3d49e501084aeaa7d8f345619
- MD5 e965988157f57054ef628035aef74e67
- SHA1 5e2af24602ac3469f68293fbacbd5e7d8d34d5d4
- SHA512 d44f60ec2a2c6aa0a867d8b3de6f121cf4462a04589dda90d633eb36055b22332be8b353f5765058fc7737091b430fa8045f0765b300393567bfcc43c6152def
- SSDEEP 12288:M+q+hS1dmLj8zblEOGSEzUWzblE4wEQRUTEcfv44IdmIKUDxjbt:fLSvmLj8+O2+bc343
- TLSH T12A25CF20F7DAC171E9AB277009311E281A3ABE853B71C6CF9B8D7919CA723C29C75715
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Modifies firewall policy service 3 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe:*:enabled:@shell32.dll,-1" 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\DRIVERS\ETC\HOSTS 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe - Executes dropped EXE 1 IoCs
pid Process 792 _dl8013.tmp - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\wdmaud.drv _dl8013.tmp File opened for modification \??\c:\windows\.exe _dl8013.tmp - Program crash 2 IoCs
pid pid_target Process procid_target 5644 792 WerFault.exe 89 5992 3352 WerFault.exe 88 - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe - 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 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language _dl8013.tmp - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 792 _dl8013.tmp 792 _dl8013.tmp - Suspicious behavior: MapViewOfSection 1 TTPs 64 IoCs
pid Process 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp 792 _dl8013.tmp - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 792 _dl8013.tmp - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 792 _dl8013.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3352 wrote to memory of 792 3352 2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe"1⤵
- Modifies firewall policy service
- Drops file in Drivers directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Users\Admin\AppData\Local\Temp\_dl8013.tmp"C:\Users\Admin\AppData\Local\Temp\_dl8013.tmp"2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:792 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 5803⤵
- Program crash
PID:5644
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 5522⤵
- Program crash
PID:5992
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3352 -ip 33521⤵PID:5416
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 792 -ip 7921⤵PID:4476
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5852
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Create or Modify System Process
1Windows Service
1Process Injection
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Process Injection
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_dl8013.tmp
- Size 74KB
- SHA256 a595c20165943c0ca65f7ed3f2c3218787f12140dfb213801865a031c7749117
- MD5 2259c698c73f8d97361fea360d2f603b
- SHA1 a53318dd2cc92304b1d9d4f5b97c9206035156c7
- SHA512 17276ad960c49143fa64244b407f54c96e15091f192d5e53d561f8d818c52249449f89ce1ba2c51cda81df5df13f38eec7565c8714ebff70b8c1c3fb27be6f36
- SSDEEP 1536:b/RAl08pJqZV2m21iTa+iqd9HJX9DYG/GTBcbC:VofaB1Ta+rHTpGTB0C
- TLSH T1F673F173B39355E4E3EFD0319A9FAA021692F48E8E013A4533D4AD592C30B469D51FEB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\.exe
- Size 74KB
- SHA256 10d9a800939676b30deb4bf4d797a4776c9f67fa9c645374e49a701bb5a67374
- MD5 a34a31db23e924065ff4054315fdf0ed
- SHA1 7478aafb61ff1a97e3a3a3a8378564a0ce2c3654
- SHA512 78297f06bb85d40eb59904e64e10626ccd48fbfdbe19d90c4eb13acaa5d4b0a24f8590d3b93e24ba4397daee3bb9b5d1983b28eb4b6790dd5b35b85cc352c28b
- SSDEEP 1536:b/RAl08pJqZV2m21iTa+iqd9HJX9DYG/GTBcbC:VofaB1Ta+rHTpGTB0C
- TLSH T19D73F173B39355E4E3EFD0319A9FAA021692F48E8E013A4533D4AD592C30B469D51FEB
- MD5 SHA1 SHA512 SSDEEP TLSH