Analysis Overview
SHA256
82b3608606028f7e9bf7f15045c275a5d839652151123c42c2d5ca152844425b
Threat Level: Known bad
The file JaffaCakes118_82b3608606028f7e9bf7f15045c275a5d839652151123c42c2d5ca152844425b was found to be: Known bad.
Malicious Activity Summary
Tofsee family
Windows security bypass
Tofsee
Creates new service(s)
Sets service image path in registry
Modifies Windows Firewall
Checks computer location settings
Deletes itself
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-29 22:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-29 22:15
Reported
2024-12-29 22:18
Platform
win7-20240903-en
Max time kernel
146s
Max time network
147s
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\reerejkj = "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\reerejkj\ImagePath = "C:\\Windows\\SysWOW64\\reerejkj\\eygedrn.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\reerejkj\eygedrn.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2804 set thread context of 2568 | N/A | C:\Windows\SysWOW64\reerejkj\eygedrn.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 |
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\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.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\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\reerejkj\eygedrn.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\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.exe
"C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\reerejkj\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eygedrn.exe" C:\Windows\SysWOW64\reerejkj\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create reerejkj binPath= "C:\Windows\SysWOW64\reerejkj\eygedrn.exe /d\"C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description reerejkj "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start reerejkj
C:\Windows\SysWOW64\reerejkj\eygedrn.exe
C:\Windows\SysWOW64\reerejkj\eygedrn.exe /d"C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.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 | 52.101.41.26:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | niflheimr.cn | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.228.111:25 | 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 | 142.250.102.27:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | jotunheim.name | udp |
| RU | 80.66.75.11:443 | jotunheim.name | 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 |
| RU | 80.66.75.11:443 | jotunheim.name | tcp |
| RU | 80.66.75.11:443 | jotunheim.name | tcp |
| RU | 80.66.75.11:443 | jotunheim.name | tcp |
Files
memory/2944-1-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2944-2-0x00000000001B0000-0x00000000001C3000-memory.dmp
memory/2944-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\eygedrn.exe
| MD5 | 8b95abb5f9bfdf12a7a2062db554861a |
| SHA1 | e85bd489332b974e0acaca1738b45fb8d8ae0afb |
| SHA256 | 33488f1d8b40f926999c7dfe42a7e4992d55aff7bca5f29e189ca3099236a209 |
| SHA512 | 94e94e248e8ef6aa6c39f73e5a9bb355100679870a6c69a52f132eaf377142ade0b70f752aa024a0d47cbd97725b58b31ca4764d74d178d33fed862018dd2ffd |
memory/2944-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2944-8-0x00000000001B0000-0x00000000001C3000-memory.dmp
memory/2944-7-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2568-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2568-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2568-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2568-17-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2804-15-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2568-18-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-29 22:15
Reported
2024-12-29 22:18
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\unwyjxto\ImagePath = "C:\\Windows\\SysWOW64\\unwyjxto\\mnjzuxxd.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.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\unwyjxto\mnjzuxxd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2952 set thread context of 2268 | N/A | C:\Windows\SysWOW64\unwyjxto\mnjzuxxd.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\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\unwyjxto\mnjzuxxd.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\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.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\unwyjxto\mnjzuxxd.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\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.exe
"C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\unwyjxto\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mnjzuxxd.exe" C:\Windows\SysWOW64\unwyjxto\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create unwyjxto binPath= "C:\Windows\SysWOW64\unwyjxto\mnjzuxxd.exe /d\"C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description unwyjxto "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start unwyjxto
C:\Windows\SysWOW64\unwyjxto\mnjzuxxd.exe
C:\Windows\SysWOW64\unwyjxto\mnjzuxxd.exe /d"C:\Users\Admin\AppData\Local\Temp\0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea.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 1360 -ip 1360
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 572
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2952 -ip 2952
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 548
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.49.80.91.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 | 20.236.44.162:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | 162.44.236.20.in-addr.arpa | 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 | niflheimr.cn | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | niflheimr.cn | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | niflheimr.cn | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 98.136.96.75:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | niflheimr.cn | udp |
| US | 8.8.8.8:53 | jotunheim.name | udp |
| RU | 80.66.75.11:443 | jotunheim.name | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.27.27:25 | 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 |
| RU | 80.66.75.11:443 | jotunheim.name | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| RU | 80.66.75.11:443 | jotunheim.name | tcp |
| RU | 80.66.75.11:443 | jotunheim.name | tcp |
Files
memory/1360-1-0x0000000000570000-0x0000000000670000-memory.dmp
memory/1360-2-0x0000000002190000-0x00000000021A3000-memory.dmp
memory/1360-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\mnjzuxxd.exe
| MD5 | db9cd2ca46ed4d239a0fc193a0af6e3e |
| SHA1 | ffdda4db84440dbf5da5f0e66f9b19bab0b42545 |
| SHA256 | 476fc45e724899a07ffc3a37a7393e7db6e9eb2294a0b56e0584405cefc4cae1 |
| SHA512 | 210b0f5941a8dab4ee0c78714b8a7e4a2d38f7ac4980a953a50db0fa7640874601775cddebbbe3bd1c265a6072381a8b063daea637ac1c61edea8f5bc9237e6f |
memory/1360-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1360-8-0x0000000002190000-0x00000000021A3000-memory.dmp
memory/1360-7-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2952-18-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2268-17-0x0000000000E20000-0x0000000000E35000-memory.dmp
memory/2268-16-0x0000000000E20000-0x0000000000E35000-memory.dmp
memory/2268-14-0x0000000000E20000-0x0000000000E35000-memory.dmp
memory/2952-13-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2952-12-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2952-11-0x0000000000400000-0x0000000000447000-memory.dmp