Analysis Overview
SHA256
39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634
Threat Level: Known bad
The file JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Tofsee family
Windows security bypass
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
Executes dropped EXE
Deletes itself
Checks computer location settings
Suspicious use of SetThreadContext
Launches sc.exe
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-29 12:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-29 12:04
Reported
2024-12-29 12:06
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
145s
Command Line
Signatures
Tofsee
Tofsee family
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\plqvkrln\ImagePath = "C:\\Windows\\SysWOW64\\plqvkrln\\bbopkafq.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.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\plqvkrln\bbopkafq.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1836 set thread context of 3056 | N/A | C:\Windows\SysWOW64\plqvkrln\bbopkafq.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\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\plqvkrln\bbopkafq.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.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\svchost.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\sc.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\plqvkrln\bbopkafq.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\plqvkrln\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bbopkafq.exe" C:\Windows\SysWOW64\plqvkrln\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create plqvkrln binPath= "C:\Windows\SysWOW64\plqvkrln\bbopkafq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description plqvkrln "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start plqvkrln
C:\Windows\SysWOW64\plqvkrln\bbopkafq.exe
C:\Windows\SysWOW64\plqvkrln\bbopkafq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.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 452 -p 4932 -ip 4932
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 780
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1836 -ip 1836
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 508
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 52.101.8.49:25 | 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 | mubrikych.top | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.228.94:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.102.27:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 217.69.139.150:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
Files
memory/4932-0-0x00000000001C0000-0x00000000001CD000-memory.dmp
memory/4932-1-0x00000000001D0000-0x00000000001E3000-memory.dmp
memory/4932-2-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bbopkafq.exe
| MD5 | e42d6672296f76e8cee35133332c090a |
| SHA1 | 5d03a3447f0c132f3c23dc3d61886f7b70fca0e4 |
| SHA256 | 544522c19bdb7858b0c304f3f03852a814d6d7e0a93fc0f640cd9d9f752cace8 |
| SHA512 | d85960dcafe969f8f687737784aa06d17d30e38b7e37aac019390530e0c24d371fee829b3aa09039890de99d13438d497170af720faedd24ae7d143609dbf686 |
memory/4932-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4932-8-0x00000000001D0000-0x00000000001E3000-memory.dmp
memory/4932-7-0x00000000001C0000-0x00000000001CD000-memory.dmp
memory/4932-6-0x0000000000400000-0x000000000082C000-memory.dmp
memory/1836-11-0x0000000000400000-0x000000000082C000-memory.dmp
memory/1836-10-0x0000000000400000-0x000000000082C000-memory.dmp
memory/3056-12-0x0000000000C00000-0x0000000000C15000-memory.dmp
memory/3056-14-0x0000000000C00000-0x0000000000C15000-memory.dmp
memory/3056-15-0x0000000000C00000-0x0000000000C15000-memory.dmp
memory/1836-16-0x0000000000400000-0x000000000082C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-29 12:04
Reported
2024-12-29 12:06
Platform
win7-20240903-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Tofsee
Tofsee family
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\yizjcjzm = "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\yizjcjzm\ImagePath = "C:\\Windows\\SysWOW64\\yizjcjzm\\xccdshs.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\yizjcjzm\xccdshs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2828 set thread context of 2916 | N/A | C:\Windows\SysWOW64\yizjcjzm\xccdshs.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 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 |
| Key queried | \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:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.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\netsh.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\yizjcjzm\xccdshs.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yizjcjzm\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xccdshs.exe" C:\Windows\SysWOW64\yizjcjzm\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create yizjcjzm binPath= "C:\Windows\SysWOW64\yizjcjzm\xccdshs.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description yizjcjzm "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start yizjcjzm
C:\Windows\SysWOW64\yizjcjzm\xccdshs.exe
C:\Windows\SysWOW64\yizjcjzm\xccdshs.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.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 |
| US | 20.112.250.133:80 | 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 | 52.101.42.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | mubrikych.top | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 98.136.96.77:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | oxxyfix.xyz | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.102.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 217.69.139.150:25 | mxs.mail.ru | tcp |
Files
memory/1620-0-0x0000000000020000-0x000000000002D000-memory.dmp
memory/1620-1-0x0000000000220000-0x0000000000233000-memory.dmp
memory/1620-2-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\xccdshs.exe
| MD5 | 4b9c24aa21d425179b89c3c433ada591 |
| SHA1 | 266e6a6f79a1c39d197114e69760cc10a32fa003 |
| SHA256 | c36ec3c98f457a81c2c3493a20d046ad912194347620b356f06cbdf91d0b8808 |
| SHA512 | 7317dcdba8503a8e59427c386d9d8f9cc44832f2de3c7b3bf5a4be7c9736264e98d93fbd7269258ffd3a899eaec674f7fba9c275f759764ecddf7362672c5edf |
memory/1620-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1620-8-0x0000000000220000-0x0000000000233000-memory.dmp
memory/1620-7-0x0000000000020000-0x000000000002D000-memory.dmp
memory/1620-6-0x0000000000400000-0x000000000082C000-memory.dmp
memory/2916-16-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2916-13-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2828-14-0x0000000000400000-0x000000000082C000-memory.dmp
memory/2916-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2916-10-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2916-17-0x0000000000080000-0x0000000000095000-memory.dmp