Analysis Overview
SHA256
b2eb1eeaf6d84c8e877b366a85c7834453c04e63c0c027b0e014c62e42b69f07
Threat Level: Known bad
The file f2d6bac2f4208d668b547848b5b846a6_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
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 05:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-16 05:59
Reported
2024-04-16 06:02
Platform
win7-20240221-en
Max time kernel
145s
Max time network
123s
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\uyeabjxr = "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\uyeabjxr\ImagePath = "C:\\Windows\\SysWOW64\\uyeabjxr\\saptgenn.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\uyeabjxr\saptgenn.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2640 set thread context of 2496 | N/A | C:\Windows\SysWOW64\uyeabjxr\saptgenn.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\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uyeabjxr\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\saptgenn.exe" C:\Windows\SysWOW64\uyeabjxr\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create uyeabjxr binPath= "C:\Windows\SysWOW64\uyeabjxr\saptgenn.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description uyeabjxr "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start uyeabjxr
C:\Windows\SysWOW64\uyeabjxr\saptgenn.exe
C:\Windows\SysWOW64\uyeabjxr\saptgenn.exe /d"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_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 | 52.101.11.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 67.195.228.110:25 | 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 | 108.177.119.27:25 | smtp.google.com | tcp |
| HK | 43.231.4.7:443 | 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 |
| HK | 43.231.4.7:443 | tcp |
Files
memory/2012-3-0x0000000000220000-0x0000000000233000-memory.dmp
memory/2012-4-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2012-1-0x0000000000630000-0x0000000000730000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\saptgenn.exe
| MD5 | a9ef4c6b47d766dd6ca4000079f5054a |
| SHA1 | 73afe957f0f28b9bfb7fa52bb0dd5df3b81fdcb9 |
| SHA256 | 69e24e80388671b24dfd23fb53e444cf0e865da82970f99cdad470b66958451c |
| SHA512 | 5e843c0b0bc04f7ff41d1c472b5be4d67777277644e68dbbe79497bc3a26031de3d50e331820dee102e8b29b852e014affbd772bf3169003ecbd4d7b719eaf82 |
memory/2012-8-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2640-9-0x00000000005C0000-0x00000000006C0000-memory.dmp
memory/2496-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2640-15-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2496-17-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2496-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2496-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2640-10-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2496-18-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2496-19-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2496-20-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2496-21-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 05:59
Reported
2024-04-16 06:02
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
152s
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\qvkcfgdk\ImagePath = "C:\\Windows\\SysWOW64\\qvkcfgdk\\pnwxgcrn.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_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\qvkcfgdk\pnwxgcrn.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5040 set thread context of 5060 | N/A | C:\Windows\SysWOW64\qvkcfgdk\pnwxgcrn.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\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qvkcfgdk\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pnwxgcrn.exe" C:\Windows\SysWOW64\qvkcfgdk\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qvkcfgdk binPath= "C:\Windows\SysWOW64\qvkcfgdk\pnwxgcrn.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qvkcfgdk "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qvkcfgdk
C:\Windows\SysWOW64\qvkcfgdk\pnwxgcrn.exe
C:\Windows\SysWOW64\qvkcfgdk\pnwxgcrn.exe /d"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.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 | 52.101.11.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | 133.250.112.20.in-addr.arpa | udp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta7.am0.yahoodns.net | udp |
| US | 67.195.228.111:25 | mta7.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 108.177.119.27:25 | smtp.google.com | tcp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | 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 | 23.236.111.52.in-addr.arpa | udp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 31.73.42.20.in-addr.arpa | udp |
Files
memory/2976-1-0x00000000006A0000-0x00000000007A0000-memory.dmp
memory/2976-2-0x0000000000600000-0x0000000000613000-memory.dmp
memory/2976-3-0x0000000000400000-0x0000000000454000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pnwxgcrn.exe
| MD5 | 0c07f9ba53ed10cc4a8765ef758ac27b |
| SHA1 | 5d39fd040c5d56aafd5e40eac2abbd7d6dcb342e |
| SHA256 | 6c111cd1a9edf32f1b390e605a8054b676e6e47534b2c61d6b88c3cc294d1711 |
| SHA512 | 94f9981299d3819951f2d13f6411750976597374ab47c7184e7059793106d371c2111e0179ce2e2cc24289f0477c4ea27efa402d8f1cc8281916f8cfdc1792a5 |
memory/2976-8-0x0000000000600000-0x0000000000613000-memory.dmp
memory/2976-6-0x0000000000400000-0x0000000000454000-memory.dmp
memory/5040-10-0x0000000000710000-0x0000000000810000-memory.dmp
memory/5040-11-0x0000000000400000-0x0000000000454000-memory.dmp
memory/5060-12-0x0000000000DE0000-0x0000000000DF5000-memory.dmp
memory/5040-15-0x0000000000400000-0x0000000000454000-memory.dmp
memory/5060-17-0x0000000000DE0000-0x0000000000DF5000-memory.dmp
memory/5060-18-0x0000000000DE0000-0x0000000000DF5000-memory.dmp
memory/5060-19-0x0000000000DE0000-0x0000000000DF5000-memory.dmp