Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 01:35
Static task
static1
Behavioral task
behavioral1
Sample
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe
Resource
win10v2004-20240802-en
General
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Target
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe
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Size
13.5MB
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MD5
46912015f4e217c84f81982305c8c6d5
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SHA1
ba7ccd3f4668126eed2a609eb6ac489e9893b78a
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SHA256
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e
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SHA512
83900686d98969d7a00a1b78a3e1f7aeba2b95d8f931f412787a03fd32d87dfbfeb1d0506b2a2190254b0fa88e235264e58374b353d0a5c68f0c299f7782b17e
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SSDEEP
49152:fyzapZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZx:fC
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\slyrveol = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2632 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\slyrveol\ImagePath = "C:\\Windows\\SysWOW64\\slyrveol\\yhqymemv.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2784 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
yhqymemv.exepid process 2704 yhqymemv.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
yhqymemv.exedescription pid process target process PID 2704 set thread context of 2784 2704 yhqymemv.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 1948 sc.exe 2764 sc.exe 2676 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:
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.execmd.execmd.exeyhqymemv.exesvchost.exesc.exesc.exesc.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.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 yhqymemv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 30 IoCs
Processes:
29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exeyhqymemv.exedescription pid process target process PID 2868 wrote to memory of 2804 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 2804 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 2804 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 2804 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 2104 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 2104 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 2104 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 2104 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe cmd.exe PID 2868 wrote to memory of 1948 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 1948 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 1948 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 1948 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2764 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2764 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2764 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2764 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2676 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2676 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2676 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2676 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe sc.exe PID 2868 wrote to memory of 2632 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe netsh.exe PID 2868 wrote to memory of 2632 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe netsh.exe PID 2868 wrote to memory of 2632 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe netsh.exe PID 2868 wrote to memory of 2632 2868 29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe netsh.exe PID 2704 wrote to memory of 2784 2704 yhqymemv.exe svchost.exe PID 2704 wrote to memory of 2784 2704 yhqymemv.exe svchost.exe PID 2704 wrote to memory of 2784 2704 yhqymemv.exe svchost.exe PID 2704 wrote to memory of 2784 2704 yhqymemv.exe svchost.exe PID 2704 wrote to memory of 2784 2704 yhqymemv.exe svchost.exe PID 2704 wrote to memory of 2784 2704 yhqymemv.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe"C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\slyrveol\2⤵
- System Location Discovery: System Language Discovery
PID:2804 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yhqymemv.exe" C:\Windows\SysWOW64\slyrveol\2⤵
- System Location Discovery: System Language Discovery
PID:2104 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create slyrveol binPath= "C:\Windows\SysWOW64\slyrveol\yhqymemv.exe /d\"C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1948 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description slyrveol "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2764 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start slyrveol2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2676 -
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:2632
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C:\Windows\SysWOW64\slyrveol\yhqymemv.exeC:\Windows\SysWOW64\slyrveol\yhqymemv.exe /d"C:\Users\Admin\AppData\Local\Temp\29b0f91a35ae86daabb6e62bde864cf514549d1d3e9f0fa453521fccd389d51e.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2784
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
12.0MB
MD5813c8875152bcea613c348f63b5d0077
SHA1adfb16d1f34fc2551605f668afcfe6fdc8ea01fe
SHA2567161a89ba677dbc3bfc774b6c8fe28cbbb8ce7edb4b8198d85fc6e1c9d855096
SHA512d793042a1cc39406325416431f1701e7c9069f5ce89e75db129aeb827ede04eea2ff0278f6429bdcdbfce3e472fbe9629450cb1ff70cd5b11947107a6403484a