Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-09-2024 16:52
Static task
static1
Behavioral task
behavioral1
Sample
bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe
Resource
win10v2004-20240802-en
General
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Target
bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe
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Size
14.2MB
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MD5
f5a99263467440a04da884e37b581577
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SHA1
58c016d9dae50898c03dc602997db96b14fbc2fe
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SHA256
bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2
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SHA512
b5255af60ca12756011398e5907ef6587cd9ea77401b55b30c0812c2c616ab492eff9d2bba6c5a7ba7732e2f4f0eba80d702bb0d98e767499d182219e16f45af
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SSDEEP
196608:H4TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTH:H
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\efayzplr = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2564 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\efayzplr\ImagePath = "C:\\Windows\\SysWOW64\\efayzplr\\fuhdpoht.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2532 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
fuhdpoht.exepid process 2836 fuhdpoht.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fuhdpoht.exedescription pid process target process PID 2836 set thread context of 2532 2836 fuhdpoht.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 2692 sc.exe 2108 sc.exe 2740 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:
cmd.exesc.exefuhdpoht.exebc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exesc.exesc.exenetsh.exesvchost.execmd.exedescription ioc process 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 fuhdpoht.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exefuhdpoht.exedescription pid process target process PID 2624 wrote to memory of 2632 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2632 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2632 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2632 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2644 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2644 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2644 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2644 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe cmd.exe PID 2624 wrote to memory of 2692 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2692 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2692 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2692 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2108 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2108 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2108 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2108 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2740 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2740 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2740 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2740 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe sc.exe PID 2624 wrote to memory of 2564 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe netsh.exe PID 2624 wrote to memory of 2564 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe netsh.exe PID 2624 wrote to memory of 2564 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe netsh.exe PID 2624 wrote to memory of 2564 2624 bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe netsh.exe PID 2836 wrote to memory of 2532 2836 fuhdpoht.exe svchost.exe PID 2836 wrote to memory of 2532 2836 fuhdpoht.exe svchost.exe PID 2836 wrote to memory of 2532 2836 fuhdpoht.exe svchost.exe PID 2836 wrote to memory of 2532 2836 fuhdpoht.exe svchost.exe PID 2836 wrote to memory of 2532 2836 fuhdpoht.exe svchost.exe PID 2836 wrote to memory of 2532 2836 fuhdpoht.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe"C:\Users\Admin\AppData\Local\Temp\bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\efayzplr\2⤵
- System Location Discovery: System Language Discovery
PID:2632 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fuhdpoht.exe" C:\Windows\SysWOW64\efayzplr\2⤵
- System Location Discovery: System Language Discovery
PID:2644 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create efayzplr binPath= "C:\Windows\SysWOW64\efayzplr\fuhdpoht.exe /d\"C:\Users\Admin\AppData\Local\Temp\bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2692 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description efayzplr "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2108 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start efayzplr2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2740 -
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:2564
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C:\Windows\SysWOW64\efayzplr\fuhdpoht.exeC:\Windows\SysWOW64\efayzplr\fuhdpoht.exe /d"C:\Users\Admin\AppData\Local\Temp\bc51cad0a8ed5eb57551f034a5f693b4d1c135201a38ff4b3d7c1eb6151745c2.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2532
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
14.0MB
MD53e385d8fbddf43be44e56d238333179f
SHA1a0aab381c83fda96190b93d4c675239065b31ef1
SHA2568aa1cbfa97ef6f3f969ec1880aef0994c9aa5e3689907ec6eddbd480f670d066
SHA5122d7260a8a48e004316949aeb70b192942c334b5b0a99a5aa4eabecea6e4a4f29877756ed1fff90d723e6600d3a0f794afc910af0c7665c3118a8ca751c8c40fc