Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-08-2024 21:55
Static task
static1
Behavioral task
behavioral1
Sample
c7b736a9fca49450b679452260c86084_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c7b736a9fca49450b679452260c86084_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
c7b736a9fca49450b679452260c86084_JaffaCakes118.exe
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Size
12.9MB
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MD5
c7b736a9fca49450b679452260c86084
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SHA1
65831ef95101644640229fd4872a69b738db4b19
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SHA256
ecb8395da2818b288bae02ac7827548df335aeefed102d6a9bda6d3738108c56
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SHA512
e987647067046fb2d4a3501c1ef4ddcc0d3533f1def8f38b52168cb4d431961cb131abd69a992fca0cb6998daf5ace33a7e279c93173617a79119f090d063e9a
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SSDEEP
196608:vJ2MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMH:v
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 4604 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\wosfdncn\ImagePath = "C:\\Windows\\SysWOW64\\wosfdncn\\bzoauqbr.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c7b736a9fca49450b679452260c86084_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation c7b736a9fca49450b679452260c86084_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 4704 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
bzoauqbr.exepid process 3892 bzoauqbr.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bzoauqbr.exedescription pid process target process PID 3892 set thread context of 4704 3892 bzoauqbr.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 100 sc.exe 1648 sc.exe 3872 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 2952 1112 WerFault.exe c7b736a9fca49450b679452260c86084_JaffaCakes118.exe 1932 3892 WerFault.exe bzoauqbr.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:
sc.exenetsh.exec7b736a9fca49450b679452260c86084_JaffaCakes118.execmd.execmd.exesvchost.exesc.exesc.exebzoauqbr.exedescription ioc process 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 c7b736a9fca49450b679452260c86084_JaffaCakes118.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 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 bzoauqbr.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
c7b736a9fca49450b679452260c86084_JaffaCakes118.exebzoauqbr.exedescription pid process target process PID 1112 wrote to memory of 920 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe cmd.exe PID 1112 wrote to memory of 920 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe cmd.exe PID 1112 wrote to memory of 920 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe cmd.exe PID 1112 wrote to memory of 4060 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe cmd.exe PID 1112 wrote to memory of 4060 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe cmd.exe PID 1112 wrote to memory of 4060 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe cmd.exe PID 1112 wrote to memory of 100 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 100 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 100 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 1648 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 1648 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 1648 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 3872 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 3872 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 3872 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe sc.exe PID 1112 wrote to memory of 4604 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe netsh.exe PID 1112 wrote to memory of 4604 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe netsh.exe PID 1112 wrote to memory of 4604 1112 c7b736a9fca49450b679452260c86084_JaffaCakes118.exe netsh.exe PID 3892 wrote to memory of 4704 3892 bzoauqbr.exe svchost.exe PID 3892 wrote to memory of 4704 3892 bzoauqbr.exe svchost.exe PID 3892 wrote to memory of 4704 3892 bzoauqbr.exe svchost.exe PID 3892 wrote to memory of 4704 3892 bzoauqbr.exe svchost.exe PID 3892 wrote to memory of 4704 3892 bzoauqbr.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c7b736a9fca49450b679452260c86084_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c7b736a9fca49450b679452260c86084_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wosfdncn\2⤵
- System Location Discovery: System Language Discovery
PID:920 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bzoauqbr.exe" C:\Windows\SysWOW64\wosfdncn\2⤵
- System Location Discovery: System Language Discovery
PID:4060 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create wosfdncn binPath= "C:\Windows\SysWOW64\wosfdncn\bzoauqbr.exe /d\"C:\Users\Admin\AppData\Local\Temp\c7b736a9fca49450b679452260c86084_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:100 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description wosfdncn "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1648 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start wosfdncn2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3872 -
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:4604 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 7962⤵
- Program crash
PID:2952
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C:\Windows\SysWOW64\wosfdncn\bzoauqbr.exeC:\Windows\SysWOW64\wosfdncn\bzoauqbr.exe /d"C:\Users\Admin\AppData\Local\Temp\c7b736a9fca49450b679452260c86084_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4704 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 5202⤵
- Program crash
PID:1932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1112 -ip 11121⤵PID:1560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3892 -ip 38921⤵PID:1148
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
11.8MB
MD5fb4ff4123abafa9fb970a28fa4cfb6bb
SHA1ed75d5e249f498c441069800e5c3aa50ba2c2117
SHA2565dd9e12ff633e412e045c9f6c894451397d440c09763a45535cf0d133619f401
SHA512c1741ea45945288df9107bfe5c2c18df782b42a7740f326fd5d8c9415011c77f37ea93e34a88773d5f26c02a60f6e58d2a750b3d78c4eb44ce7f16553536d429