Analysis
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max time kernel
146s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-09-2024 16:40
Static task
static1
Behavioral task
behavioral1
Sample
f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe
Resource
win10v2004-20240802-en
General
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Target
f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe
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Size
11.7MB
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MD5
b8332866db45bf85ed517c599eaafe54
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SHA1
f86726a6a85f613e15066a7ad77cef942e3c9d28
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SHA256
f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71
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SHA512
b95ac93c7487fada804562e98f8e5db4902ab3195236c71cfa171732071d4601ce479b6eed519f61a0724a47d6cda7f9d397285c265b2c9bfb7d143ba8ef1425
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SSDEEP
3072:qoiqjV0QCeV75zMwb2EfDXTBrt0c5f+Z7ApWt+0krytpObPUfAGM4H1M4CjiJNx4:qoiqjWHeV9zthDjBrmA+VkDbSAgQiTx
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4524 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\idmdqfkz\ImagePath = "C:\\Windows\\SysWOW64\\idmdqfkz\\htauzfsa.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 1736 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
htauzfsa.exepid process 3700 htauzfsa.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
htauzfsa.exedescription pid process target process PID 3700 set thread context of 1736 3700 htauzfsa.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 3696 sc.exe 4488 sc.exe 680 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.
Processes:
netsh.exedescription ioc process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 6 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4904 3024 WerFault.exe f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe 4888 3024 WerFault.exe f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe 4220 3024 WerFault.exe f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe 1004 3700 WerFault.exe htauzfsa.exe 2560 3700 WerFault.exe htauzfsa.exe 3108 3700 WerFault.exe htauzfsa.exe -
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.
Processes:
sc.exenetsh.exehtauzfsa.exef365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exesc.exesc.exesvchost.execmd.execmd.exedescription ioc process 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 htauzfsa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exehtauzfsa.exedescription pid process target process PID 3024 wrote to memory of 2440 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe cmd.exe PID 3024 wrote to memory of 2440 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe cmd.exe PID 3024 wrote to memory of 2440 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe cmd.exe PID 3024 wrote to memory of 4960 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe cmd.exe PID 3024 wrote to memory of 4960 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe cmd.exe PID 3024 wrote to memory of 4960 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe cmd.exe PID 3024 wrote to memory of 3696 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 3696 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 3696 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 4488 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 4488 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 4488 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 680 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 680 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 680 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe sc.exe PID 3024 wrote to memory of 4524 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe netsh.exe PID 3024 wrote to memory of 4524 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe netsh.exe PID 3024 wrote to memory of 4524 3024 f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe netsh.exe PID 3700 wrote to memory of 1736 3700 htauzfsa.exe svchost.exe PID 3700 wrote to memory of 1736 3700 htauzfsa.exe svchost.exe PID 3700 wrote to memory of 1736 3700 htauzfsa.exe svchost.exe PID 3700 wrote to memory of 1736 3700 htauzfsa.exe svchost.exe PID 3700 wrote to memory of 1736 3700 htauzfsa.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe"C:\Users\Admin\AppData\Local\Temp\f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\idmdqfkz\2⤵
- System Location Discovery: System Language Discovery
PID:2440 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\htauzfsa.exe" C:\Windows\SysWOW64\idmdqfkz\2⤵
- System Location Discovery: System Language Discovery
PID:4960 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create idmdqfkz binPath= "C:\Windows\SysWOW64\idmdqfkz\htauzfsa.exe /d\"C:\Users\Admin\AppData\Local\Temp\f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3696 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description idmdqfkz "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4488 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start idmdqfkz2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:680 -
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:4524 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 8042⤵
- Program crash
PID:4904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 5962⤵
- Program crash
PID:4888 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 12202⤵
- Program crash
PID:4220
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C:\Windows\SysWOW64\idmdqfkz\htauzfsa.exeC:\Windows\SysWOW64\idmdqfkz\htauzfsa.exe /d"C:\Users\Admin\AppData\Local\Temp\f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:1736 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 5162⤵
- Program crash
PID:1004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 5402⤵
- Program crash
PID:2560 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 5242⤵
- Program crash
PID:3108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3024 -ip 30241⤵PID:2524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3024 -ip 30241⤵PID:3372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3024 -ip 30241⤵PID:2500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3700 -ip 37001⤵PID:4868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3700 -ip 37001⤵PID:3708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3700 -ip 37001⤵PID:5036
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
Loading Replay Monitor...
Downloads
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Filesize
13.8MB
MD57c7444f566fd2dcd8a3fbb4f97c540bf
SHA1e74ddbae29813ccc6d96ff4c4578a5af0de78ca1
SHA2566e3ad445b3ddd4b4eb2f7775bff9699db748387080784826328a560dc280f823
SHA512bad8303214e5d79acd0090be2cda75a347c55efeb37dfc4f9985d9f266b89f31f984fc3bf85efc5ce42dc01acbd00ac57cee45218bdfaef4e351d4ec9fafe2a5