Analysis
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max time kernel
145s -
max time network
146s -
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 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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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1008 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\juoaxesb\ImagePath = "C:\\Windows\\SysWOW64\\juoaxesb\\nzuryxxl.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2632 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
nzuryxxl.exepid process 4144 nzuryxxl.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
nzuryxxl.exedescription pid process target process PID 4144 set thread context of 2632 4144 nzuryxxl.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 2376 sc.exe 1996 sc.exe 3980 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3516 2280 WerFault.exe bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe 548 4144 WerFault.exe nzuryxxl.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:
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.execmd.exesc.exesc.exenetsh.exenzuryxxl.execmd.exesc.exesvchost.exedescription ioc process 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nzuryxxl.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 svchost.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exenzuryxxl.exedescription pid process target process PID 2280 wrote to memory of 2088 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2280 wrote to memory of 2088 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2280 wrote to memory of 2088 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2280 wrote to memory of 2068 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2280 wrote to memory of 2068 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2280 wrote to memory of 2068 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe cmd.exe PID 2280 wrote to memory of 1996 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 1996 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 1996 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 3980 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 3980 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 3980 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 2376 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 2376 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 2376 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe sc.exe PID 2280 wrote to memory of 1008 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe netsh.exe PID 2280 wrote to memory of 1008 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe netsh.exe PID 2280 wrote to memory of 1008 2280 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9.exe netsh.exe PID 4144 wrote to memory of 2632 4144 nzuryxxl.exe svchost.exe PID 4144 wrote to memory of 2632 4144 nzuryxxl.exe svchost.exe PID 4144 wrote to memory of 2632 4144 nzuryxxl.exe svchost.exe PID 4144 wrote to memory of 2632 4144 nzuryxxl.exe svchost.exe PID 4144 wrote to memory of 2632 4144 nzuryxxl.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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\juoaxesb\2⤵
- System Location Discovery: System Language Discovery
PID:2088 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nzuryxxl.exe" C:\Windows\SysWOW64\juoaxesb\2⤵
- System Location Discovery: System Language Discovery
PID:2068 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create juoaxesb binPath= "C:\Windows\SysWOW64\juoaxesb\nzuryxxl.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:1996 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description juoaxesb "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3980 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start juoaxesb2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2376 -
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:1008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 10482⤵
- Program crash
PID:3516
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C:\Windows\SysWOW64\juoaxesb\nzuryxxl.exeC:\Windows\SysWOW64\juoaxesb\nzuryxxl.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:4144 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2632 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 5162⤵
- Program crash
PID:548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2280 -ip 22801⤵PID:1364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4144 -ip 41441⤵PID:4388
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
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Downloads
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Filesize
12.7MB
MD57a05f7a09f20acf9c1e87b6f6c49d2e3
SHA1dc1c631126fc8f7c99db308c0a1b62bba3181f29
SHA256db9549fcbb24e421f17f9e3ee3a303635712d95024d3a0a8848896aafa22509c
SHA512eed8a832b08d8dedba7287208d1f43608bc517c9494daa68bda240de6a75efbcf193cb9d63d8266d648a05310f1bb710668984b4f3f9958f8f596c5cdb321f21