Analysis Overview
SHA256
3f487cd4fe611496acdd0cb193385e2bb233d535e99b5f6caadcf172150f38a5
Threat Level: Known bad
The file f32bc79d3ad21de604fa37038da7e745_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
Deletes itself
Executes dropped EXE
Checks computer location settings
Suspicious use of SetThreadContext
Launches sc.exe
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-16 09:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-16 09:19
Reported
2024-04-16 09:21
Platform
win7-20240221-en
Max time kernel
150s
Max time network
153s
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\sjegljgf = "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\sjegljgf\ImagePath = "C:\\Windows\\SysWOW64\\sjegljgf\\jzzzofld.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\sjegljgf\jzzzofld.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 944 set thread context of 2536 | N/A | C:\Windows\SysWOW64\sjegljgf\jzzzofld.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\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sjegljgf\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jzzzofld.exe" C:\Windows\SysWOW64\sjegljgf\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create sjegljgf binPath= "C:\Windows\SysWOW64\sjegljgf\jzzzofld.exe /d\"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description sjegljgf "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start sjegljgf
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\sjegljgf\jzzzofld.exe
C:\Windows\SysWOW64\sjegljgf\jzzzofld.exe /d"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe"
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 | defeatwax.ru | udp |
| 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 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 98.136.96.91:25 | 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 | 173.194.79.26:25 | 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/2228-1-0x0000000000930000-0x0000000000A30000-memory.dmp
memory/2228-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2228-4-0x0000000000400000-0x0000000000870000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\jzzzofld.exe
| MD5 | a94724ad7e598ac564dab496363d1ed8 |
| SHA1 | 8359432828016342bfa9743fdae44830800306cc |
| SHA256 | ac7b4fe779cef69ca5e64e263d50842c5aed2f48ab61947e5a2dcaa3c4172838 |
| SHA512 | 3929b2a3802faf8415c4f6906e4798bfa9e00efe7e641959e3aacf3581feb238a002ca4312340e9390b54d1fa7a66049b35000a9fc3015eb733582b12c1f275a |
memory/2228-7-0x0000000000400000-0x0000000000870000-memory.dmp
memory/944-10-0x0000000000A40000-0x0000000000B40000-memory.dmp
memory/2536-9-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2536-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/944-11-0x0000000000400000-0x0000000000870000-memory.dmp
memory/2536-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/944-15-0x0000000000400000-0x0000000000870000-memory.dmp
memory/2536-18-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2536-19-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2536-20-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 09:19
Reported
2024-04-16 09:21
Platform
win10v2004-20240412-en
Max time kernel
148s
Max time network
155s
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\adubduys\ImagePath = "C:\\Windows\\SysWOW64\\adubduys\\xecnsnbp.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_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\adubduys\xecnsnbp.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3280 set thread context of 2968 | N/A | C:\Windows\SysWOW64\adubduys\xecnsnbp.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\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\adubduys\xecnsnbp.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\adubduys\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xecnsnbp.exe" C:\Windows\SysWOW64\adubduys\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create adubduys binPath= "C:\Windows\SysWOW64\adubduys\xecnsnbp.exe /d\"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description adubduys "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start adubduys
C:\Windows\SysWOW64\adubduys\xecnsnbp.exe
C:\Windows\SysWOW64\adubduys\xecnsnbp.exe /d"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_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 4192 -ip 4192
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 1036
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3280 -ip 3280
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 512
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 132.250.30.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 75.61.62.23.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 | 52.101.8.49:25 | 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 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 98.136.96.76:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 23.53.113.159:80 | tcp | |
| 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 | 173.194.79.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | 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 | 217.69.139.150:25 | 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 | 14.227.111.52.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 |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 25.173.189.20.in-addr.arpa | udp |
Files
memory/4192-1-0x0000000000AF0000-0x0000000000BF0000-memory.dmp
memory/4192-2-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/4192-4-0x0000000000400000-0x0000000000870000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\xecnsnbp.exe
| MD5 | 90a87ddb210cd64e39d00a809ec608cf |
| SHA1 | a5a187728b068371679c9c628addbb31023908b2 |
| SHA256 | 1332cafe6cf2a9d24a96ce35e959a17b151c9fd264170cc238c7c50dcada7c0e |
| SHA512 | 0090e2e10403c6b3aae619acc3c5a2fd356d7e35aec48e4fda9a368706dc8b4ddf48c1e705f47e0fe1a40cd3976c6207a493e5de8f797f61fa9886c0983a69ad |
memory/4192-8-0x0000000000400000-0x0000000000870000-memory.dmp
memory/4192-9-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/3280-10-0x0000000000B90000-0x0000000000C90000-memory.dmp
memory/3280-12-0x0000000000400000-0x0000000000870000-memory.dmp
memory/2968-11-0x0000000000640000-0x0000000000655000-memory.dmp
memory/2968-16-0x0000000000640000-0x0000000000655000-memory.dmp
memory/2968-17-0x0000000000640000-0x0000000000655000-memory.dmp
memory/3280-18-0x0000000000400000-0x0000000000870000-memory.dmp
memory/2968-19-0x0000000000640000-0x0000000000655000-memory.dmp