Analysis
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max time kernel
149s -
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
31-08-2024 15:06
Static task
static1
Behavioral task
behavioral1
Sample
9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe
Resource
win10v2004-20240802-en
General
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Target
9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe
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Size
10.9MB
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MD5
8ef57b0ee52ad8d343c5febce2c3caf3
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SHA1
944e9be261db19754da9c1a097c7ac05f42fb7e9
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SHA256
9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0
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SHA512
630fa92ce62e6c9c0e8a6bdda757719c08d9344df5dfbe9867fa775e2d1f71e480e4fd4f6e9d386700f8caefda4577ab230295c209615df493d86c4411dbeb65
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SSDEEP
24576:3AWcGx111111111111111111111111111111111111111111111111111111111X:3HH
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 1624 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\knvweicj\ImagePath = "C:\\Windows\\SysWOW64\\knvweicj\\wbxpnqc.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 4008 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
wbxpnqc.exepid process 1956 wbxpnqc.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
wbxpnqc.exedescription pid process target process PID 1956 set thread context of 4008 1956 wbxpnqc.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 1020 sc.exe 708 sc.exe 4112 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 4472 2564 WerFault.exe 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe 2676 1956 WerFault.exe wbxpnqc.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.exesvchost.exewbxpnqc.exe9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.execmd.exesc.exesc.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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wbxpnqc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.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 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:
9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exewbxpnqc.exedescription pid process target process PID 2564 wrote to memory of 8 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe cmd.exe PID 2564 wrote to memory of 8 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe cmd.exe PID 2564 wrote to memory of 8 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe cmd.exe PID 2564 wrote to memory of 3540 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe cmd.exe PID 2564 wrote to memory of 3540 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe cmd.exe PID 2564 wrote to memory of 3540 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe cmd.exe PID 2564 wrote to memory of 1020 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 1020 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 1020 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 708 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 708 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 708 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 4112 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 4112 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 4112 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe sc.exe PID 2564 wrote to memory of 1624 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe netsh.exe PID 2564 wrote to memory of 1624 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe netsh.exe PID 2564 wrote to memory of 1624 2564 9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe netsh.exe PID 1956 wrote to memory of 4008 1956 wbxpnqc.exe svchost.exe PID 1956 wrote to memory of 4008 1956 wbxpnqc.exe svchost.exe PID 1956 wrote to memory of 4008 1956 wbxpnqc.exe svchost.exe PID 1956 wrote to memory of 4008 1956 wbxpnqc.exe svchost.exe PID 1956 wrote to memory of 4008 1956 wbxpnqc.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe"C:\Users\Admin\AppData\Local\Temp\9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\knvweicj\2⤵
- System Location Discovery: System Language Discovery
PID:8 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wbxpnqc.exe" C:\Windows\SysWOW64\knvweicj\2⤵
- System Location Discovery: System Language Discovery
PID:3540 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create knvweicj binPath= "C:\Windows\SysWOW64\knvweicj\wbxpnqc.exe /d\"C:\Users\Admin\AppData\Local\Temp\9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1020 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description knvweicj "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:708 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start knvweicj2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4112 -
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:1624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 12602⤵
- Program crash
PID:4472
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C:\Windows\SysWOW64\knvweicj\wbxpnqc.exeC:\Windows\SysWOW64\knvweicj\wbxpnqc.exe /d"C:\Users\Admin\AppData\Local\Temp\9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 5122⤵
- Program crash
PID:2676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2564 -ip 25641⤵PID:3348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1956 -ip 19561⤵PID:4184
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
13.9MB
MD5ec64cc3d28fa5462ea2b192ce666cec8
SHA1162129c35d52036e055479d2ee9072359e352756
SHA256ce9d0803daec7ffc2475308187a58a1841de8ec9e2265dfd4dd856bbf252e2b9
SHA512a3b2a22e66732cad63a348838cc803bc1be0409204b9a360feaab4c5155479a231c2238633e69a552e3838457b9c8ef606cff31c84b1e8cb348959886887bb6a