Analysis Overview
SHA256
4bf9bf8d633e92cacd30456ef29f97945406ff53002d593fbb41ff6850e99c64
Threat Level: Known bad
The file cd40e2ae400d9246093680878435e4c0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
Modifies Windows Firewall
Creates new service(s)
Sets service image path in registry
Checks computer location settings
Deletes itself
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
Program crash
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 17:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 17:23
Reported
2024-08-31 17:25
Platform
win7-20240704-en
Max time kernel
144s
Max time network
148s
Command Line
Signatures
Tofsee
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\kgaawooc = "0" | C:\Windows\SysWOW64\svchost.exe | N/A |
Creates new service(s)
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\kgaawooc\ImagePath = "C:\\Windows\\SysWOW64\\kgaawooc\\geommclb.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\kgaawooc\geommclb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2656 set thread context of 916 | N/A | C:\Windows\SysWOW64\kgaawooc\geommclb.exe | C:\Windows\SysWOW64\svchost.exe |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\kgaawooc\geommclb.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kgaawooc\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\geommclb.exe" C:\Windows\SysWOW64\kgaawooc\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create kgaawooc binPath= "C:\Windows\SysWOW64\kgaawooc\geommclb.exe /d\"C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description kgaawooc "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start kgaawooc
C:\Windows\SysWOW64\kgaawooc\geommclb.exe
C:\Windows\SysWOW64\kgaawooc\geommclb.exe /d"C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe"
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>nul
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | microsoft.com | udp |
| NL | 20.76.201.171:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | microsoft-com.mail.protection.outlook.com | udp |
| US | 52.101.8.49:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.204.79:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 172.217.218.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 94.100.180.31:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | refabyd.info | udp |
Files
memory/2804-1-0x00000000004D0000-0x00000000005D0000-memory.dmp
memory/2804-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2804-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\geommclb.exe
| MD5 | a767e30e02b18951973a55cf22763f79 |
| SHA1 | 8f2f55ef51b9a243f989cf785f9e306e2870c8c0 |
| SHA256 | 8c1b360a40cd8b644cbbf94c0ab63712ac49396063bfa81cd4eca1449c9f9912 |
| SHA512 | aeba8cd5459703f6fe676006ae6ce602b3410068322ca011c184f7aac9124e62994baea5662d4fca67365ba20af38b87d908f8a7c6ba75b1740e57c9436667a5 |
memory/2804-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2804-9-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2804-8-0x0000000000400000-0x0000000000459000-memory.dmp
memory/916-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/916-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/916-16-0x0000000000080000-0x0000000000095000-memory.dmp
memory/916-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2656-17-0x0000000000400000-0x0000000000459000-memory.dmp
memory/916-18-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 17:23
Reported
2024-08-31 17:25
Platform
win10v2004-20240802-en
Max time kernel
146s
Max time network
146s
Command Line
Signatures
Tofsee
Creates new service(s)
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\gbevfaax\ImagePath = "C:\\Windows\\SysWOW64\\gbevfaax\\creamleq.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\gbevfaax\creamleq.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2216 set thread context of 2044 | N/A | C:\Windows\SysWOW64\gbevfaax\creamleq.exe | C:\Windows\SysWOW64\svchost.exe |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\gbevfaax\creamleq.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\gbevfaax\creamleq.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gbevfaax\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\creamleq.exe" C:\Windows\SysWOW64\gbevfaax\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create gbevfaax binPath= "C:\Windows\SysWOW64\gbevfaax\creamleq.exe /d\"C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description gbevfaax "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start gbevfaax
C:\Windows\SysWOW64\gbevfaax\creamleq.exe
C:\Windows\SysWOW64\gbevfaax\creamleq.exe /d"C:\Users\Admin\AppData\Local\Temp\cd40e2ae400d9246093680878435e4c0_JaffaCakes118.exe"
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>nul
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2712 -ip 2712
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1032
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2216 -ip 2216
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 532
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 20.231.239.246:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | microsoft-com.mail.protection.outlook.com | udp |
| US | 52.101.11.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | 246.239.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta7.am0.yahoodns.net | udp |
| US | 67.195.204.79:25 | mta7.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 172.217.218.27:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| RU | 217.69.139.150:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
Files
memory/2712-1-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/2712-2-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/2712-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\creamleq.exe
| MD5 | fb6f8f7a0b5be9f61727bb6a02bb3bb0 |
| SHA1 | 900bb0daed8c2a587662410771b05c5ade4490d4 |
| SHA256 | f83a77ea067598bb36717175c73de4956d7e83ea411338c50580b69c61a11a84 |
| SHA512 | 2f8d7576be1beb7f7557feb781c4b9bbce653715d6df91a387baa02a8f8521e871aa5bbf0288007c8959e6b2abea999295d3ff564ca1b704910762e478518194 |
memory/2712-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2712-9-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/2712-8-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2216-12-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2216-11-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2216-13-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2044-14-0x0000000000340000-0x0000000000355000-memory.dmp
memory/2044-16-0x0000000000340000-0x0000000000355000-memory.dmp
memory/2044-17-0x0000000000340000-0x0000000000355000-memory.dmp
memory/2216-19-0x0000000000400000-0x0000000000459000-memory.dmp