Analysis
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max time kernel
118s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 05:53
Static task
static1
Behavioral task
behavioral1
Sample
8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe
Resource
win10v2004-20241007-en
General
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Target
8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe
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Size
13.9MB
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MD5
79dc2160ea73f5a008c5a7b25fb1f1ec
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SHA1
329fd850c1dd7541b67ff9b76d532645549a69e0
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SHA256
8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61
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SHA512
02554429e5526535d1e82feb39b24f88a4bd068355a46efe3b335a57bd417276d4ae8d976a28bb26913c37d55ccb90898c0b115057d1e3924eb795b76db3bb6e
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SSDEEP
49152:2yzapZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZy:2CF
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Signatures
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Tofsee family
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2868 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\bptbnero\ImagePath = "C:\\Windows\\SysWOW64\\bptbnero\\qjequju.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe -
Deletes itself 1 IoCs
pid Process 2808 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 4112 qjequju.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4112 set thread context of 2808 4112 qjequju.exe 103 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2860 sc.exe 4092 sc.exe 5000 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 -
Program crash 2 IoCs
pid pid_target Process procid_target 116 2276 WerFault.exe 81 2576 4112 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 qjequju.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2276 wrote to memory of 3964 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 82 PID 2276 wrote to memory of 3964 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 82 PID 2276 wrote to memory of 3964 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 82 PID 2276 wrote to memory of 1376 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 86 PID 2276 wrote to memory of 1376 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 86 PID 2276 wrote to memory of 1376 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 86 PID 2276 wrote to memory of 5000 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 88 PID 2276 wrote to memory of 5000 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 88 PID 2276 wrote to memory of 5000 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 88 PID 2276 wrote to memory of 2860 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 92 PID 2276 wrote to memory of 2860 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 92 PID 2276 wrote to memory of 2860 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 92 PID 2276 wrote to memory of 4092 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 94 PID 2276 wrote to memory of 4092 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 94 PID 2276 wrote to memory of 4092 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 94 PID 2276 wrote to memory of 2868 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 97 PID 2276 wrote to memory of 2868 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 97 PID 2276 wrote to memory of 2868 2276 8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe 97 PID 4112 wrote to memory of 2808 4112 qjequju.exe 103 PID 4112 wrote to memory of 2808 4112 qjequju.exe 103 PID 4112 wrote to memory of 2808 4112 qjequju.exe 103 PID 4112 wrote to memory of 2808 4112 qjequju.exe 103 PID 4112 wrote to memory of 2808 4112 qjequju.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe"C:\Users\Admin\AppData\Local\Temp\8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bptbnero\2⤵
- System Location Discovery: System Language Discovery
PID:3964
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qjequju.exe" C:\Windows\SysWOW64\bptbnero\2⤵
- System Location Discovery: System Language Discovery
PID:1376
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create bptbnero binPath= "C:\Windows\SysWOW64\bptbnero\qjequju.exe /d\"C:\Users\Admin\AppData\Local\Temp\8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:5000
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description bptbnero "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2860
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start bptbnero2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4092
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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:2868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 10322⤵
- Program crash
PID:116
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C:\Windows\SysWOW64\bptbnero\qjequju.exeC:\Windows\SysWOW64\bptbnero\qjequju.exe /d"C:\Users\Admin\AppData\Local\Temp\8fcd431b3939e62180adfe1473fbd7bd18afd42145d85c2c7b9c68c0262dcd61.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 1922⤵
- Program crash
PID:2576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2276 -ip 22761⤵PID:2716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4112 -ip 41121⤵PID:748
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
14.4MB
MD5b45db47ca7eba531fa0f85f2963918c6
SHA1722a4f25e0d349ae51d94d46c209c6c6fee4a6ad
SHA256ac16f4e6c11ed47c7a456bc8cdf8e493e77058f0a8da05823fe5fb16873bb664
SHA512efc0cf372f71c2a48aeb46116a436c09b5d73e79155c59ba3290ec84f9300b18498676d6d0a9d180cc2f55a0a23b42065b0545747bbaa4b6bd0421d81145af94