Analysis
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max time kernel
145s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 09:37
Static task
static1
Behavioral task
behavioral1
Sample
4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe
Resource
win10v2004-20240802-en
General
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Target
4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe
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Size
12.5MB
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MD5
c4c9428ea6a30325f8ac6a3fecc199a1
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SHA1
e8c27d01e8e1b4f11f6183e8ba4b3065392349ce
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SHA256
4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1
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SHA512
b052061f5936ee2f30fc18e81daa9542451a1ad58235bd180e7d01fa49977813945492890a1a37a3cec59bb261a626cd175f12ac85bec9e000273159980e7a33
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SSDEEP
196608:TPRMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMP:T
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\liurvify = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2920 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\liurvify\ImagePath = "C:\\Windows\\SysWOW64\\liurvify\\eyualvnt.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2772 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
eyualvnt.exepid process 2800 eyualvnt.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
eyualvnt.exedescription pid process target process PID 2800 set thread context of 2772 2800 eyualvnt.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 2652 sc.exe 2688 sc.exe 2816 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 -
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.exesc.exeeyualvnt.exesvchost.execmd.execmd.exenetsh.exe4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exesc.exedescription ioc process 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 eyualvnt.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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exeeyualvnt.exedescription pid process target process PID 2308 wrote to memory of 2064 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 2064 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 2064 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 2064 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 1888 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 1888 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 1888 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 1888 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe cmd.exe PID 2308 wrote to memory of 2652 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2652 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2652 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2652 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2688 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2688 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2688 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2688 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2816 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2816 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2816 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2816 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe sc.exe PID 2308 wrote to memory of 2920 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe netsh.exe PID 2308 wrote to memory of 2920 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe netsh.exe PID 2308 wrote to memory of 2920 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe netsh.exe PID 2308 wrote to memory of 2920 2308 4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe netsh.exe PID 2800 wrote to memory of 2772 2800 eyualvnt.exe svchost.exe PID 2800 wrote to memory of 2772 2800 eyualvnt.exe svchost.exe PID 2800 wrote to memory of 2772 2800 eyualvnt.exe svchost.exe PID 2800 wrote to memory of 2772 2800 eyualvnt.exe svchost.exe PID 2800 wrote to memory of 2772 2800 eyualvnt.exe svchost.exe PID 2800 wrote to memory of 2772 2800 eyualvnt.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe"C:\Users\Admin\AppData\Local\Temp\4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\liurvify\2⤵
- System Location Discovery: System Language Discovery
PID:2064 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eyualvnt.exe" C:\Windows\SysWOW64\liurvify\2⤵
- System Location Discovery: System Language Discovery
PID:1888 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create liurvify binPath= "C:\Windows\SysWOW64\liurvify\eyualvnt.exe /d\"C:\Users\Admin\AppData\Local\Temp\4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2652 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description liurvify "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2688 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start liurvify2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2816 -
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:2920
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C:\Windows\SysWOW64\liurvify\eyualvnt.exeC:\Windows\SysWOW64\liurvify\eyualvnt.exe /d"C:\Users\Admin\AppData\Local\Temp\4fb9ec0883d7b509a16d73e2181f5236d13042706cb8bbe82091f8a9db4575d1.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2772
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
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
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Downloads
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Filesize
12.5MB
MD5ee75ff3cbb690d3302cfdaf6214064bf
SHA1ed64ad3cb48625b7613e48984ec73f30a1c2ecce
SHA2569a505303db0bb9f469f8857393e4e4d4edb38c8704c06457efe9c4b8c1b99644
SHA51258973796d4497eb25cce57ef9a61ecfe102789c0cf2e92ba5be6a4c3464028493ebd2b1e1ded34762000993984c109d51ca516ad7d28d6e4c5e372c7802f60d0