Analysis
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max time kernel
147s -
max time network
153s -
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 00:21
Static task
static1
Behavioral task
behavioral1
Sample
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe
Resource
win10v2004-20240802-en
General
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Target
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe
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Size
13.5MB
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MD5
46912015f4e217c84f81982305c8c6d5
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SHA1
ba7ccd3f4668126eed2a609eb6ac489e9893b78a
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SHA256
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e
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SHA512
83900686d98969d7a00a1b78a3e1f7aeba2b95d8f931f412787a03fd32d87dfbfeb1d0506b2a2190254b0fa88e235264e58374b353d0a5c68f0c299f7782b17e
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SSDEEP
49152:fyzapZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZx:fC
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
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 3928 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\naorvvnb\ImagePath = "C:\\Windows\\SysWOW64\\naorvvnb\\jcndolex.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 5676 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
jcndolex.exepid process 3380 jcndolex.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
jcndolex.exedescription pid process target process PID 3380 set thread context of 5676 3380 jcndolex.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 5928 sc.exe 5824 sc.exe 3392 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 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
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3868 5548 WerFault.exe 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe 5304 3380 WerFault.exe jcndolex.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:
cmd.exesc.exesc.exejcndolex.exesvchost.exe29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.execmd.exesc.exenetsh.exedescription 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 jcndolex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.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 -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exejcndolex.exedescription pid process target process PID 5548 wrote to memory of 6072 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 5548 wrote to memory of 6072 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 5548 wrote to memory of 6072 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 5548 wrote to memory of 5960 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 5548 wrote to memory of 5960 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 5548 wrote to memory of 5960 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 5548 wrote to memory of 5928 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 5928 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 5928 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 5824 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 5824 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 5824 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 3392 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 3392 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 3392 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 5548 wrote to memory of 3928 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe netsh.exe PID 5548 wrote to memory of 3928 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe netsh.exe PID 5548 wrote to memory of 3928 5548 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe netsh.exe PID 3380 wrote to memory of 5676 3380 jcndolex.exe svchost.exe PID 3380 wrote to memory of 5676 3380 jcndolex.exe svchost.exe PID 3380 wrote to memory of 5676 3380 jcndolex.exe svchost.exe PID 3380 wrote to memory of 5676 3380 jcndolex.exe svchost.exe PID 3380 wrote to memory of 5676 3380 jcndolex.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe"C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5548 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\naorvvnb\2⤵
- System Location Discovery: System Language Discovery
PID:6072 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jcndolex.exe" C:\Windows\SysWOW64\naorvvnb\2⤵
- System Location Discovery: System Language Discovery
PID:5960 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create naorvvnb binPath= "C:\Windows\SysWOW64\naorvvnb\jcndolex.exe /d\"C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:5928 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description naorvvnb "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:5824 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start naorvvnb2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3392 -
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:3928 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5548 -s 13562⤵
- Program crash
PID:3868
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C:\Windows\SysWOW64\naorvvnb\jcndolex.exeC:\Windows\SysWOW64\naorvvnb\jcndolex.exe /d"C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:5676 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 5122⤵
- Program crash
PID:5304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5548 -ip 55481⤵PID:3060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3380 -ip 33801⤵PID:5744
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
11.5MB
MD5090c533b8badd6a2f7a80f90fc017e78
SHA15a206f2e45dfc29782e0897f1b542ed6499ac00e
SHA256378ec6cdc5d0af1d08e62551e4bbf068cf602f09de24babbf67fe18f132dbd91
SHA512f3d38a46fbd2b6a0ee123336ef0784f913f10f3e447c7a645807942ac9d7c42119d525d59a8c2dda2490acf2aef27e4b3648375751128639a463a405c09e48df