Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/11/2026, 13:31
Static task
static1
Behavioral task
behavioral1
Sample
2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260911-en
General
- Target 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe
- Size 11.7MB
- Sample261104-qstdwadf32
- SHA256 694ceb78aab7e554bc34d4f6a3635bac7c161ca61097de89a0be2919a0c6008b
- MD5 94afe7a87deaa2a56f0405a78aa5ce39
- SHA1 b864b781e5a8368e9b883e588540681a7ce91232
- SHA512 653580018425eb23dece120dba4e25e3a90f86fd2b885e71c7010947a7943adfaa2aec3dbb70c21d852cd7ec979fc463a610799cee9ab740cd71ee092fa5bf15
- SSDEEP 98304:q+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaf:
- TLSH T12BC66B25DA7316B3D06549BDA26C3FBDDBFE83B0D3105437504868F898233AB29E5687
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
tofsee
-
quadoil.ru
-
lakeflex.ru
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4536 netsh.exe - Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\anshajir\ImagePath = "C:\\Windows\\SysWOW64\\anshajir\\pejkempi.exe" svchost.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\Control Panel\International\Geo\Nation 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe - Creates new service(s) 2 TTPs
- Deletes itself 1 TTPs 1 IoCs
pid Process 4796 svchost.exe - Executes dropped EXE 1 IoCs
pid Process 1776 pejkempi.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1776 set thread context of 4796 1776 pejkempi.exe 102 - Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2564 sc.exe 1556 sc.exe 1596 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4140 cmd.exe 4236 cmd.exe - Program crash 2 IoCs
pid pid_target Process procid_target 2908 3044 WerFault.exe 82 3828 1776 WerFault.exe 96 - System Location Discovery: System Language Discovery 1 TTPs 9 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pejkempi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3044 wrote to memory of 4140 3044 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe 83 PID 3044 wrote to memory of 4236 3044 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe 87 PID 3044 wrote to memory of 2564 3044 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe 89 PID 3044 wrote to memory of 1556 3044 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe 91 PID 3044 wrote to memory of 1596 3044 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe 94 PID 3044 wrote to memory of 4536 3044 2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe 97 PID 1776 wrote to memory of 4796 1776 pejkempi.exe 102 PID 1776 wrote to memory of 4796 1776 pejkempi.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\anshajir\2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4140
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pejkempi.exe" C:\Windows\SysWOW64\anshajir\2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4236
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create anshajir binPath= "C:\Windows\SysWOW64\anshajir\pejkempi.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2564
-
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description anshajir "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1556
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start anshajir2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1596
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4536
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 6002⤵
- Program crash
PID:2908
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C:\Windows\SysWOW64\anshajir\pejkempi.exeC:\Windows\SysWOW64\anshajir\pejkempi.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 5162⤵
- Program crash
PID:3828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3044 -ip 30441⤵PID:768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1776 -ip 17761⤵PID:1896
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
1File Deletion
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\pejkempi.exe
- Size 13.0MB
- SHA256 88e7a803270f6608990db7006ea9d8a7e13a9d870d15ab83f99199575a6b44a5
- MD5 dee7a5f48c95085c34171001bf9d23ec
- SHA1 c44586adbd3e1ce80c5ef2351a2946c616e1aaad
- SHA512 8b94beb9886313b323d2c890a76d163ad52ba9fbfb60b6fa739a35674fe3b4c0e19998b5334d07f79642e22314595a917e746eff8d097ab06b906e46413a1e83
- SSDEEP 98304:G+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaX:
- TLSH T188D66B25DA7316B3D06549BDA26C3FBDDBFE83B0D3105437504868F898233AB29E5687
- MD5 SHA1 SHA512 SSDEEP TLSH