Analysis Overview
SHA256
f17a88bf3b89dff62b431dacda445025c5c3764b9bc87bf584df2e4f274996b8
Threat Level: Known bad
The file f2c7b3dd677d36abe158ada055822669_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
Creates new service(s)
Sets service image path in registry
Modifies Windows Firewall
Executes dropped EXE
Deletes itself
Checks computer location settings
Suspicious use of SetThreadContext
Launches sc.exe
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-16 05:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-16 05:24
Reported
2024-04-16 05:26
Platform
win7-20240215-en
Max time kernel
146s
Max time network
117s
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\mbxjvcu = "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\mbxjvcu\ImagePath = "C:\\Windows\\SysWOW64\\mbxjvcu\\idhzpaca.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\mbxjvcu\idhzpaca.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2604 set thread context of 2612 | N/A | C:\Windows\SysWOW64\mbxjvcu\idhzpaca.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\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mbxjvcu\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\idhzpaca.exe" C:\Windows\SysWOW64\mbxjvcu\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create mbxjvcu binPath= "C:\Windows\SysWOW64\mbxjvcu\idhzpaca.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description mbxjvcu "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start mbxjvcu
C:\Windows\SysWOW64\mbxjvcu\idhzpaca.exe
C:\Windows\SysWOW64\mbxjvcu\idhzpaca.exe /d"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_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 |
| 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 | 67.195.204.79:25 | 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 | 142.251.31.26:25 | 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 | 94.100.180.31:25 | mxs.mail.ru | tcp |
| HK | 43.231.4.7:443 | tcp |
Files
memory/1512-1-0x00000000023C0000-0x00000000024C0000-memory.dmp
memory/1512-3-0x0000000000020000-0x0000000000033000-memory.dmp
memory/1512-4-0x0000000000400000-0x0000000002234000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\idhzpaca.exe
| MD5 | c5906a72f93a91c108533f13d8030b0a |
| SHA1 | 8e1b8f656623786ad8d01b106b73717c90b63f9a |
| SHA256 | 477c5a698e5312490897d7f73580e68a9907521e8b575cd83ca782e4f1158ba0 |
| SHA512 | c609f528eba5a04efa0a07334ff4cd051d9a4c91e586ffcd33d20a682e0322b4bca44d01c4563a4a235bbb28619f5575d9805ff7a35a8d42488d0ff7d7b68959 |
memory/1512-7-0x0000000000400000-0x0000000002234000-memory.dmp
memory/2604-9-0x00000000023A0000-0x00000000024A0000-memory.dmp
memory/2612-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2612-10-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2612-13-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2604-15-0x0000000000400000-0x0000000002234000-memory.dmp
memory/2612-18-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2612-19-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2604-17-0x0000000000400000-0x0000000002234000-memory.dmp
memory/2612-20-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2612-21-0x00000000000C0000-0x00000000000D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 05:24
Reported
2024-04-16 05:26
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
149s
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\semcsfig\ImagePath = "C:\\Windows\\SysWOW64\\semcsfig\\pgcjazdh.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_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\semcsfig\pgcjazdh.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 812 set thread context of 1776 | N/A | C:\Windows\SysWOW64\semcsfig\pgcjazdh.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
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\semcsfig\pgcjazdh.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\semcsfig\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pgcjazdh.exe" C:\Windows\SysWOW64\semcsfig\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create semcsfig binPath= "C:\Windows\SysWOW64\semcsfig\pgcjazdh.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description semcsfig "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start semcsfig
C:\Windows\SysWOW64\semcsfig\pgcjazdh.exe
C:\Windows\SysWOW64\semcsfig\pgcjazdh.exe /d"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_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 2260 -ip 2260
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 1036
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 812 -ip 812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 512
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 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 155.61.62.23.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 | 104.47.54.36:25 | 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 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.75:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.251.31.27:25 | 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 | 94.100.180.31:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/2260-1-0x0000000002250000-0x0000000002350000-memory.dmp
memory/2260-2-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/2260-4-0x0000000000400000-0x0000000002234000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pgcjazdh.exe
| MD5 | 2086cec9bff4fb93d7ca86c8a20e1f35 |
| SHA1 | 1431850296950ae489f710917cdf2a758e1bb502 |
| SHA256 | 70dd1d5b72d202392af50d00b93f678c64fb18b8e22adf532c4ab2ef2371b522 |
| SHA512 | 96c63bca61ab86688b97a60e7ef7d0f32dcd4a7542754ee7621add58f735c42337393680d68cfb0e0cae3737b2b8c5663cd55fe7abfa19fe04525965298c6f75 |
memory/2260-7-0x0000000000400000-0x0000000002234000-memory.dmp
memory/2260-8-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/812-10-0x00000000023B0000-0x00000000024B0000-memory.dmp
memory/1776-11-0x0000000000830000-0x0000000000845000-memory.dmp
memory/812-13-0x0000000000400000-0x0000000002234000-memory.dmp
memory/1776-16-0x0000000000830000-0x0000000000845000-memory.dmp
memory/1776-17-0x0000000000830000-0x0000000000845000-memory.dmp
memory/812-18-0x0000000000400000-0x0000000002234000-memory.dmp
memory/1776-19-0x0000000000830000-0x0000000000845000-memory.dmp