Analysis
-
max time kernel
145s -
max time network
142s -
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 08:40
Static task
static1
Behavioral task
behavioral1
Sample
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe
Resource
win10v2004-20240802-en
General
-
Target
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe
-
Size
12.1MB
-
MD5
0906ff34f48334d4563ca2df39b3cef7
-
SHA1
289a0a4287b6e42e680a9b7efa0585fd97708f2e
-
SHA256
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935
-
SHA512
41545edf3fc63015f8bf2d094de7c17688889fbf4956fadd0b2447da2a870967606ad06971b3db4f28de7e8c777a1dcfec67bb8a99454d1598f1a42bb20580f6
-
SSDEEP
196608:gXPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP/:g
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
-
Creates new service(s) 2 TTPs
-
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4216 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\npgqxxfd\ImagePath = "C:\\Windows\\SysWOW64\\npgqxxfd\\dkwjsfga.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 536 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
dkwjsfga.exepid process 3820 dkwjsfga.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
dkwjsfga.exedescription pid process target process PID 3820 set thread context of 536 3820 dkwjsfga.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 3976 sc.exe 3516 sc.exe 2428 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 3656 1420 WerFault.exe 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe 3604 3820 WerFault.exe dkwjsfga.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:
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exesc.exesc.exedkwjsfga.exesvchost.execmd.execmd.exesc.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.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 dkwjsfga.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 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:
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exedkwjsfga.exedescription pid process target process PID 1420 wrote to memory of 756 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 1420 wrote to memory of 756 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 1420 wrote to memory of 756 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 1420 wrote to memory of 1700 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 1420 wrote to memory of 1700 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 1420 wrote to memory of 1700 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 1420 wrote to memory of 3976 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 3976 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 3976 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 3516 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 3516 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 3516 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 2428 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 2428 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 2428 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 1420 wrote to memory of 4216 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe netsh.exe PID 1420 wrote to memory of 4216 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe netsh.exe PID 1420 wrote to memory of 4216 1420 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe netsh.exe PID 3820 wrote to memory of 536 3820 dkwjsfga.exe svchost.exe PID 3820 wrote to memory of 536 3820 dkwjsfga.exe svchost.exe PID 3820 wrote to memory of 536 3820 dkwjsfga.exe svchost.exe PID 3820 wrote to memory of 536 3820 dkwjsfga.exe svchost.exe PID 3820 wrote to memory of 536 3820 dkwjsfga.exe svchost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe"C:\Users\Admin\AppData\Local\Temp\181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\npgqxxfd\2⤵
- System Location Discovery: System Language Discovery
PID:756 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dkwjsfga.exe" C:\Windows\SysWOW64\npgqxxfd\2⤵
- System Location Discovery: System Language Discovery
PID:1700 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create npgqxxfd binPath= "C:\Windows\SysWOW64\npgqxxfd\dkwjsfga.exe /d\"C:\Users\Admin\AppData\Local\Temp\181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3976 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description npgqxxfd "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3516 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start npgqxxfd2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2428 -
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:4216 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 12922⤵
- Program crash
PID:3656
-
C:\Windows\SysWOW64\npgqxxfd\dkwjsfga.exeC:\Windows\SysWOW64\npgqxxfd\dkwjsfga.exe /d"C:\Users\Admin\AppData\Local\Temp\181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3820 -s 5122⤵
- Program crash
PID:3604
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1420 -ip 14201⤵PID:2456
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3820 -ip 38201⤵PID:1760
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
-
Filesize
13.9MB
MD558919dc1f0c855be860e3e384141841f
SHA1940bd97561cf802cd869ef07ea494606258f50e2
SHA25672ca990cc27136427dfc98e80a105979940e4f14931bd8ee9d21000eb4982e01
SHA5123274aa5e8379994a6f40730491c15dde1f46e65e55104cc28bbbbd72f93d5bb71caaa8f040eb29f855ed75072505c4036677a21ae959ad7648d4b767e1118c09