Analysis
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max time kernel
146s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-09-2024 03:39
Static task
static1
Behavioral task
behavioral1
Sample
23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe
Resource
win10v2004-20240802-en
General
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Target
23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe
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Size
11.3MB
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MD5
d318dc7b92c68cddb6ac8e82af8a7439
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SHA1
c6fd11ca5e592b4992663d210b0c622e47c6697c
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SHA256
23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716
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SHA512
e44a44fe52d6017ef83aa569ca6c0277e0c8dd09f255e3b68fbbc032703ce8deee7f40c887abfe3feac291e63baa62e04098ad43ab15e2df3476cc731995c945
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SSDEEP
98304:9EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEU:
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 3288 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\vwrgfeki\ImagePath = "C:\\Windows\\SysWOW64\\vwrgfeki\\nhqanqvh.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 4396 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
nhqanqvh.exepid process 4692 nhqanqvh.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
nhqanqvh.exedescription pid process target process PID 4692 set thread context of 4396 4692 nhqanqvh.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 4964 sc.exe 4044 sc.exe 1624 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 4128 3004 WerFault.exe 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe 4736 4692 WerFault.exe nhqanqvh.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.exenhqanqvh.exesvchost.exe23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.execmd.execmd.exesc.exesc.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 nhqanqvh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 sc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exenhqanqvh.exedescription pid process target process PID 3004 wrote to memory of 2120 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe cmd.exe PID 3004 wrote to memory of 2120 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe cmd.exe PID 3004 wrote to memory of 2120 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe cmd.exe PID 3004 wrote to memory of 4852 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe cmd.exe PID 3004 wrote to memory of 4852 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe cmd.exe PID 3004 wrote to memory of 4852 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe cmd.exe PID 3004 wrote to memory of 4964 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 4964 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 4964 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 4044 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 4044 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 4044 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 1624 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 1624 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 1624 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe sc.exe PID 3004 wrote to memory of 3288 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe netsh.exe PID 3004 wrote to memory of 3288 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe netsh.exe PID 3004 wrote to memory of 3288 3004 23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe netsh.exe PID 4692 wrote to memory of 4396 4692 nhqanqvh.exe svchost.exe PID 4692 wrote to memory of 4396 4692 nhqanqvh.exe svchost.exe PID 4692 wrote to memory of 4396 4692 nhqanqvh.exe svchost.exe PID 4692 wrote to memory of 4396 4692 nhqanqvh.exe svchost.exe PID 4692 wrote to memory of 4396 4692 nhqanqvh.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe"C:\Users\Admin\AppData\Local\Temp\23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vwrgfeki\2⤵
- System Location Discovery: System Language Discovery
PID:2120 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nhqanqvh.exe" C:\Windows\SysWOW64\vwrgfeki\2⤵
- System Location Discovery: System Language Discovery
PID:4852 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create vwrgfeki binPath= "C:\Windows\SysWOW64\vwrgfeki\nhqanqvh.exe /d\"C:\Users\Admin\AppData\Local\Temp\23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4964 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description vwrgfeki "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4044 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start vwrgfeki2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1624 -
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:3288 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 12442⤵
- Program crash
PID:4128
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C:\Windows\SysWOW64\vwrgfeki\nhqanqvh.exeC:\Windows\SysWOW64\vwrgfeki\nhqanqvh.exe /d"C:\Users\Admin\AppData\Local\Temp\23f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4396 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 5082⤵
- Program crash
PID:4736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3004 -ip 30041⤵PID:1260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4692 -ip 46921⤵PID:2864
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
11.3MB
MD5d318dc7b92c68cddb6ac8e82af8a7439
SHA1c6fd11ca5e592b4992663d210b0c622e47c6697c
SHA25623f1145599ca4f2836be5ba2ef445c06709df2e71dc30d6cd534b60810673716
SHA512e44a44fe52d6017ef83aa569ca6c0277e0c8dd09f255e3b68fbbc032703ce8deee7f40c887abfe3feac291e63baa62e04098ad43ab15e2df3476cc731995c945