Analysis Overview
SHA256
60fad18a773458d36f919b0f65b412521e6c976e4e8c1194380a8e2e31951ff0
Threat Level: Known bad
The file deea754781cd06c966bf7cf7564da0ce was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Modifies Windows Firewall
Sets service image path in registry
Creates new service(s)
Deletes itself
Executes dropped EXE
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
2024-03-26 10:14
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-26 10:14
Reported
2024-03-26 10:17
Platform
win7-20240220-en
Max time kernel
150s
Max time network
150s
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\jujmxihy = "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\jujmxihy\ImagePath = "C:\\Windows\\SysWOW64\\jujmxihy\\neexnmnb.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\jujmxihy\neexnmnb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2804 set thread context of 2616 | N/A | C:\Windows\SysWOW64\jujmxihy\neexnmnb.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\deea754781cd06c966bf7cf7564da0ce.exe
"C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jujmxihy\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\neexnmnb.exe" C:\Windows\SysWOW64\jujmxihy\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create jujmxihy binPath= "C:\Windows\SysWOW64\jujmxihy\neexnmnb.exe /d\"C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description jujmxihy "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start jujmxihy
C:\Windows\SysWOW64\jujmxihy\neexnmnb.exe
C:\Windows\SysWOW64\jujmxihy\neexnmnb.exe /d"C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.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 | 104.47.54.36:25 | 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 | 67.195.228.94:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| BE | 142.251.173.26:25 | smtp.google.com | tcp |
| 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 |
Files
memory/2356-2-0x0000000002D50000-0x0000000002E50000-memory.dmp
memory/2356-3-0x0000000000220000-0x0000000000233000-memory.dmp
memory/2356-4-0x0000000000400000-0x0000000002C6F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\neexnmnb.exe
| MD5 | e45cdca35941f9c8dcd58f8eaf301a4f |
| SHA1 | f2f95d3abda4f97ba1828462477112019dfe0010 |
| SHA256 | 98d3a7437e16ed1dc95fb1203c598942b87f9b0b56da9ab634f3cb4735c4c22d |
| SHA512 | 225568e3c4ff6ba052c83995789ad3c7547587c2a833f9cd11c19aaa5a02b5e1661baf7851f6d54342e6c066e1b0e530e523044b583d6f4ce1cd6b7025f598ff |
C:\Windows\SysWOW64\jujmxihy\neexnmnb.exe
| MD5 | 6d526b38b67de8c046b7e5c05cb30417 |
| SHA1 | de44b4bd522d89ed128d7eaa9d0b0159dd7674b6 |
| SHA256 | 12fe82afd35c9e35ddf9d574e6b72455168ad1d4538eb418036dccf0ffef2fb4 |
| SHA512 | 44dc6dd61e27da9718b7ff9972aa220644e340b1c2060ba53442e48e2d2c4b88804a44001544f6a4569387c3156f017cd955e84b859a4450b2f342466f79939d |
memory/2356-8-0x0000000000400000-0x0000000002C6F000-memory.dmp
memory/2616-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2616-9-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2616-12-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2804-14-0x0000000002D00000-0x0000000002E00000-memory.dmp
memory/2616-16-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2804-18-0x0000000000400000-0x0000000002C6F000-memory.dmp
memory/2616-19-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2616-20-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2616-21-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-26 10:14
Reported
2024-03-26 10:17
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
151s
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\clozmflz\ImagePath = "C:\\Windows\\SysWOW64\\clozmflz\\evvoedes.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.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\clozmflz\evvoedes.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2044 set thread context of 1860 | N/A | C:\Windows\SysWOW64\clozmflz\evvoedes.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\deea754781cd06c966bf7cf7564da0ce.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\clozmflz\evvoedes.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.exe
"C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\clozmflz\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\evvoedes.exe" C:\Windows\SysWOW64\clozmflz\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create clozmflz binPath= "C:\Windows\SysWOW64\clozmflz\evvoedes.exe /d\"C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description clozmflz "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start clozmflz
C:\Windows\SysWOW64\clozmflz\evvoedes.exe
C:\Windows\SysWOW64\clozmflz\evvoedes.exe /d"C:\Users\Admin\AppData\Local\Temp\deea754781cd06c966bf7cf7564da0ce.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 444 -p 2076 -ip 2076
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1036
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2044 -ip 2044
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 520
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 83.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 185.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.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 | 52.101.40.26:25 | 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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta7.am0.yahoodns.net | udp |
| US | 67.195.228.110:25 | mta7.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.135.221.88.in-addr.arpa | 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 |
| BE | 142.251.173.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 0.205.248.87.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 | 217.69.139.150:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| 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 | 210.143.182.52.in-addr.arpa | udp |
Files
memory/2076-1-0x0000000002E60000-0x0000000002F60000-memory.dmp
memory/2076-2-0x0000000002E00000-0x0000000002E13000-memory.dmp
memory/2076-4-0x0000000000400000-0x0000000002C6F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\evvoedes.exe
| MD5 | 8d81396a217f95e6f3835dcfd832df7b |
| SHA1 | 0f4a098238724b084693c16dc1f7f29eababb560 |
| SHA256 | af8044ac47d9e2a5d8e823ff592edd672ee41ebceefe7f452004a74977c7057b |
| SHA512 | 1a62424064cd2a90612445987e7195492be98c08c771c1cf9cbdad4d8475dbe59f61977409175340947de1d6f98048759bf46d999dd3e7c530653e89f511db32 |
C:\Windows\SysWOW64\clozmflz\evvoedes.exe
| MD5 | 2012c286876c8a81f4b8078700ac7232 |
| SHA1 | cc49817c7d4741f56100fc9bef87e372b8278c67 |
| SHA256 | 25cdee633a3366a65a356e964994ca41029dee939a67443254f2304fb49eb60c |
| SHA512 | a7d1ac52954783511a7fff8a210232839a4553ce479ce4cda96e1a9460dc69cdf138809f169f147eba0c1326570b3cafd715488f958298b49d371094b7155641 |
memory/2076-8-0x0000000000400000-0x0000000002C6F000-memory.dmp
memory/2076-9-0x0000000002E00000-0x0000000002E13000-memory.dmp
memory/2044-10-0x0000000002E60000-0x0000000002F60000-memory.dmp
memory/1860-11-0x0000000000140000-0x0000000000155000-memory.dmp
memory/2044-14-0x0000000000400000-0x0000000002C6F000-memory.dmp
memory/1860-16-0x0000000000140000-0x0000000000155000-memory.dmp
memory/1860-17-0x0000000000140000-0x0000000000155000-memory.dmp
memory/2044-18-0x0000000000400000-0x0000000002C6F000-memory.dmp
memory/1860-19-0x0000000000140000-0x0000000000155000-memory.dmp