Analysis
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max time kernel
144s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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
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Target
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe
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Size
12.1MB
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MD5
0906ff34f48334d4563ca2df39b3cef7
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SHA1
289a0a4287b6e42e680a9b7efa0585fd97708f2e
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SHA256
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935
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SHA512
41545edf3fc63015f8bf2d094de7c17688889fbf4956fadd0b2447da2a870967606ad06971b3db4f28de7e8c777a1dcfec67bb8a99454d1598f1a42bb20580f6
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SSDEEP
196608:gXPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP/:g
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\cnvjmpsr = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2660 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\cnvjmpsr\ImagePath = "C:\\Windows\\SysWOW64\\cnvjmpsr\\lseranoi.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2184 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
lseranoi.exepid process 2844 lseranoi.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
lseranoi.exedescription pid process target process PID 2844 set thread context of 2184 2844 lseranoi.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 2228 sc.exe 1624 sc.exe 2720 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:
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.execmd.exenetsh.exelseranoi.execmd.exesc.exesc.exesc.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.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 lseranoi.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 svchost.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exelseranoi.exedescription pid process target process PID 2172 wrote to memory of 1896 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 1896 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 1896 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 1896 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 2780 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 2780 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 2780 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 2780 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe cmd.exe PID 2172 wrote to memory of 2228 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2228 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2228 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2228 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 1624 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 1624 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 1624 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 1624 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2720 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2720 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2720 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2720 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe sc.exe PID 2172 wrote to memory of 2660 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe netsh.exe PID 2172 wrote to memory of 2660 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe netsh.exe PID 2172 wrote to memory of 2660 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe netsh.exe PID 2172 wrote to memory of 2660 2172 181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe netsh.exe PID 2844 wrote to memory of 2184 2844 lseranoi.exe svchost.exe PID 2844 wrote to memory of 2184 2844 lseranoi.exe svchost.exe PID 2844 wrote to memory of 2184 2844 lseranoi.exe svchost.exe PID 2844 wrote to memory of 2184 2844 lseranoi.exe svchost.exe PID 2844 wrote to memory of 2184 2844 lseranoi.exe svchost.exe PID 2844 wrote to memory of 2184 2844 lseranoi.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe"C:\Users\Admin\AppData\Local\Temp\181e6f88cf32348d8247bb3c4deb07bf44b677656b43b37a30dfad4a3b3e2935.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cnvjmpsr\2⤵
- System Location Discovery: System Language Discovery
PID:1896 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lseranoi.exe" C:\Windows\SysWOW64\cnvjmpsr\2⤵
- System Location Discovery: System Language Discovery
PID:2780 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create cnvjmpsr binPath= "C:\Windows\SysWOW64\cnvjmpsr\lseranoi.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:2228 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description cnvjmpsr "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1624 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start cnvjmpsr2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2720 -
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:2660
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C:\Windows\SysWOW64\cnvjmpsr\lseranoi.exeC:\Windows\SysWOW64\cnvjmpsr\lseranoi.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:2844 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2184
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
13.1MB
MD5de16e0bff0aa81cfd8dbca0b9d329432
SHA12e27d4e888a9cd9dc4ecad703c256dd9ae4dc44a
SHA256176310b6b7c0e40e458221af42a3b6c88a1090810088a5c074f51445025a9f38
SHA512c04e2758150c0450f5e74a63e49f051c3fb43f8df81074610320261f1191c11e0903e8ea91a1ebd8afbeaf95af1ce471caed420e6fa429512fa1d90d7c5a8218