Analysis Overview
SHA256
064748a64b3e6198f3f9b3821f8aa4b74ee9d687503a1e9ded2926308a86517f
Threat Level: Known bad
The file f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
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
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-16 00:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-16 00:52
Reported
2024-04-16 00:54
Platform
win7-20240221-en
Max time kernel
149s
Max time network
152s
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\pnuednnm = "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\pnuednnm\ImagePath = "C:\\Windows\\SysWOW64\\pnuednnm\\xgwklzou.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\pnuednnm\xgwklzou.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2992 set thread context of 2676 | N/A | C:\Windows\SysWOW64\pnuednnm\xgwklzou.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
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pnuednnm\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xgwklzou.exe" C:\Windows\SysWOW64\pnuednnm\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create pnuednnm binPath= "C:\Windows\SysWOW64\pnuednnm\xgwklzou.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description pnuednnm "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start pnuednnm
C:\Windows\SysWOW64\pnuednnm\xgwklzou.exe
C:\Windows\SysWOW64\pnuednnm\xgwklzou.exe /d"C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_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 |
| 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 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.91:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 74.125.128.26:25 | 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/1356-1-0x0000000000250000-0x0000000000350000-memory.dmp
memory/1356-2-0x00000000003C0000-0x00000000003D3000-memory.dmp
memory/1356-3-0x0000000000400000-0x000000000046D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\xgwklzou.exe
| MD5 | 7f53a36ea851fea6d57d9230c93817e2 |
| SHA1 | 9155c8bb26ea09fefa7505195dd140200f449138 |
| SHA256 | 1859e848a83e4c4d9a7338f56d073b1a375f429d64563ebb2aa960b371d66c3f |
| SHA512 | c20fd723e959be1315eada69b9edc1053d201eafd22f885d7b6c092c3ab221aa81fcb0b823354f6a26e65dbb7d1f2b8a80e96163350a1848710229e3aede4e01 |
memory/1356-7-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1356-9-0x00000000003C0000-0x00000000003D3000-memory.dmp
memory/2992-10-0x0000000000610000-0x0000000000710000-memory.dmp
memory/2676-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2992-12-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2676-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2676-15-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2992-16-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2676-20-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2676-21-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2676-22-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 00:52
Reported
2024-04-16 00:54
Platform
win10v2004-20240412-en
Max time kernel
146s
Max time network
142s
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\bunksdbo\ImagePath = "C:\\Windows\\SysWOW64\\bunksdbo\\yqzherdx.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\bunksdbo\yqzherdx.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3880 set thread context of 5068 | N/A | C:\Windows\SysWOW64\bunksdbo\yqzherdx.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
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bunksdbo\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yqzherdx.exe" C:\Windows\SysWOW64\bunksdbo\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create bunksdbo binPath= "C:\Windows\SysWOW64\bunksdbo\yqzherdx.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description bunksdbo "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start bunksdbo
C:\Windows\SysWOW64\bunksdbo\yqzherdx.exe
C:\Windows\SysWOW64\bunksdbo\yqzherdx.exe /d"C:\Users\Admin\AppData\Local\Temp\f2500e9a3134b4790760b2ef60c0144b_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 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| 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 | 104.47.53.36:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | 133.250.112.20.in-addr.arpa | 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 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 67.195.228.109:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | 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 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 74.125.128.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | 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 |
| RU | 94.100.180.31:25 | 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 | 21.236.111.52.in-addr.arpa | 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 |
Files
memory/868-1-0x00000000005B0000-0x00000000006B0000-memory.dmp
memory/868-2-0x0000000002070000-0x0000000002083000-memory.dmp
memory/868-4-0x0000000000400000-0x000000000046D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\yqzherdx.exe
| MD5 | 1c9e17089fc5153538255a5a42877db3 |
| SHA1 | a551b4a07a44ff766d584f77b448d3d705f06d77 |
| SHA256 | 67aa33017e5798bc67b434b573ef8b04f1fad4671fea6303fde4381c9e457695 |
| SHA512 | a125eefe402cc246f310bdc8e2e846f66e07d27a0e02463af302e82db09977484be1e133629adbfb976258108c2b43f9e2a332eee23c78901d1f091efe1f3010 |
memory/3880-8-0x00000000004D0000-0x00000000005D0000-memory.dmp
memory/3880-9-0x00000000005F0000-0x0000000000603000-memory.dmp
memory/5068-10-0x0000000000FC0000-0x0000000000FD5000-memory.dmp
memory/3880-11-0x0000000000400000-0x000000000046D000-memory.dmp
memory/5068-14-0x0000000000FC0000-0x0000000000FD5000-memory.dmp
memory/868-15-0x0000000000400000-0x000000000046D000-memory.dmp
memory/5068-16-0x0000000000FC0000-0x0000000000FD5000-memory.dmp
memory/5068-17-0x0000000000FC0000-0x0000000000FD5000-memory.dmp
memory/3880-18-0x0000000000400000-0x000000000046D000-memory.dmp
memory/868-23-0x00000000005B0000-0x00000000006B0000-memory.dmp
memory/5068-25-0x0000000000FC0000-0x0000000000FD5000-memory.dmp