Analysis
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max time kernel
144s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
31-08-2024 09:13
Static task
static1
Behavioral task
behavioral1
Sample
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe
Resource
win10v2004-20240802-en
General
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Target
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe
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Size
13.1MB
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MD5
26dc30509b939d95f3e7ff81bd9c02cd
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SHA1
95503eafd7e3bbe829ba4f9cff6863c620e1ac27
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SHA256
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9
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SHA512
24a7543199b06358b296e4c0bedb3365c3e29ac054aa3ba7c0a22e49079fa6d672e2dfc25ca8024a06526f16a4515bbc1e8798d715a3416ab4809f9f8a487fb4
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SSDEEP
3072:rBM7AAAPsPmgSn/HzaHWgwwQjHF0kKUyodrMpNLbdr05b7pNeoAhTGl9NZ9k222H:C7h1HSn/WHnQjphwNXdr0gU9z
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\efkysvot = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2684 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\efkysvot\ImagePath = "C:\\Windows\\SysWOW64\\efkysvot\\aqlxrdhz.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2848 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
aqlxrdhz.exepid process 2932 aqlxrdhz.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
aqlxrdhz.exedescription pid process target process PID 2932 set thread context of 2848 2932 aqlxrdhz.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 2808 sc.exe 1864 sc.exe 2700 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:
aqlxrdhz.exesvchost.exebc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.execmd.exesc.exesc.execmd.exesc.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aqlxrdhz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.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 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 30 IoCs
Processes:
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exeaqlxrdhz.exedescription pid process target process PID 2488 wrote to memory of 2408 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 2408 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 2408 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 2408 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 2504 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 2504 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 2504 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 2504 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2488 wrote to memory of 1864 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 1864 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 1864 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 1864 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2700 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2700 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2700 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2700 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2808 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2808 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2808 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2808 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2488 wrote to memory of 2684 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe netsh.exe PID 2488 wrote to memory of 2684 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe netsh.exe PID 2488 wrote to memory of 2684 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe netsh.exe PID 2488 wrote to memory of 2684 2488 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe netsh.exe PID 2932 wrote to memory of 2848 2932 aqlxrdhz.exe svchost.exe PID 2932 wrote to memory of 2848 2932 aqlxrdhz.exe svchost.exe PID 2932 wrote to memory of 2848 2932 aqlxrdhz.exe svchost.exe PID 2932 wrote to memory of 2848 2932 aqlxrdhz.exe svchost.exe PID 2932 wrote to memory of 2848 2932 aqlxrdhz.exe svchost.exe PID 2932 wrote to memory of 2848 2932 aqlxrdhz.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe"C:\Users\Admin\AppData\Local\Temp\bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\efkysvot\2⤵
- System Location Discovery: System Language Discovery
PID:2408 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aqlxrdhz.exe" C:\Windows\SysWOW64\efkysvot\2⤵
- System Location Discovery: System Language Discovery
PID:2504 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create efkysvot binPath= "C:\Windows\SysWOW64\efkysvot\aqlxrdhz.exe /d\"C:\Users\Admin\AppData\Local\Temp\bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1864 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description efkysvot "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2700 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start efkysvot2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2808 -
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:2684
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C:\Windows\SysWOW64\efkysvot\aqlxrdhz.exeC:\Windows\SysWOW64\efkysvot\aqlxrdhz.exe /d"C:\Users\Admin\AppData\Local\Temp\bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2848
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
12.7MB
MD57a05f7a09f20acf9c1e87b6f6c49d2e3
SHA1dc1c631126fc8f7c99db308c0a1b62bba3181f29
SHA256db9549fcbb24e421f17f9e3ee3a303635712d95024d3a0a8848896aafa22509c
SHA512eed8a832b08d8dedba7287208d1f43608bc517c9494daa68bda240de6a75efbcf193cb9d63d8266d648a05310f1bb710668984b4f3f9958f8f596c5cdb321f21