Analysis Overview
SHA256
c95876b37d090034446c2d94dae77ffd8eda405ea99b333285491d67fa4fa757
Threat Level: Known bad
The file f209de2b20a674e93e3296af504c17cd_JaffaCakes118 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
Checks computer location settings
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 22:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 22:09
Reported
2024-04-15 22:12
Platform
win7-20240221-en
Max time kernel
149s
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\uradlljr = "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\uradlljr\ImagePath = "C:\\Windows\\SysWOW64\\uradlljr\\jerwyrfa.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\uradlljr\jerwyrfa.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2460 set thread context of 2376 | N/A | C:\Windows\SysWOW64\uradlljr\jerwyrfa.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\f209de2b20a674e93e3296af504c17cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f209de2b20a674e93e3296af504c17cd_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uradlljr\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jerwyrfa.exe" C:\Windows\SysWOW64\uradlljr\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create uradlljr binPath= "C:\Windows\SysWOW64\uradlljr\jerwyrfa.exe /d\"C:\Users\Admin\AppData\Local\Temp\f209de2b20a674e93e3296af504c17cd_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description uradlljr "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start uradlljr
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\uradlljr\jerwyrfa.exe
C:\Windows\SysWOW64\uradlljr\jerwyrfa.exe /d"C:\Users\Admin\AppData\Local\Temp\f209de2b20a674e93e3296af504c17cd_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 | 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 |
| RU | 176.111.174.19:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 98.136.96.74:25 | 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 | 74.125.143.27:25 | smtp.google.com | tcp |
| RU | 176.111.174.19:443 | 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 |
| RU | 176.111.174.19:443 | tcp | |
| RU | 176.111.174.19:443 | tcp |
Files
memory/2372-1-0x0000000002D90000-0x0000000002E90000-memory.dmp
memory/2372-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2372-4-0x0000000000400000-0x0000000002BF6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\jerwyrfa.exe
| MD5 | 4589d672e8d3595d09f82a98526d887f |
| SHA1 | 2c05d86368e3f8536d595ca6df5d01f2c48dbc9d |
| SHA256 | 284695bc7b6a01d6f501b2dc9e0768c823e0ede6054a0d98368ec5872577bfe6 |
| SHA512 | bce2cf88dcbf9aeff54450f496789b3cc23a24897fdb447ac3f56581b1cdee1fd123e5b129705ba494af8d82bd229aca548c39302e3045c01f5d2a3538a9375c |
memory/2372-6-0x0000000000400000-0x0000000002BF6000-memory.dmp
memory/2372-7-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2460-10-0x0000000002D40000-0x0000000002E40000-memory.dmp
memory/2376-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2376-11-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2376-14-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2376-17-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2460-19-0x0000000000400000-0x0000000002BF6000-memory.dmp
memory/2376-20-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2460-18-0x0000000000400000-0x0000000002BF6000-memory.dmp
memory/2376-21-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2376-22-0x00000000000C0000-0x00000000000D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 22:09
Reported
2024-04-15 22:12
Platform
win10v2004-20240412-en
Max time kernel
150s
Max time network
150s
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\mjcjszbd\ImagePath = "C:\\Windows\\SysWOW64\\mjcjszbd\\maqatfeh.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\f209de2b20a674e93e3296af504c17cd_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\mjcjszbd\maqatfeh.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1336 set thread context of 1196 | N/A | C:\Windows\SysWOW64\mjcjszbd\maqatfeh.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\f209de2b20a674e93e3296af504c17cd_JaffaCakes118.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\mjcjszbd\maqatfeh.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f209de2b20a674e93e3296af504c17cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f209de2b20a674e93e3296af504c17cd_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mjcjszbd\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\maqatfeh.exe" C:\Windows\SysWOW64\mjcjszbd\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create mjcjszbd binPath= "C:\Windows\SysWOW64\mjcjszbd\maqatfeh.exe /d\"C:\Users\Admin\AppData\Local\Temp\f209de2b20a674e93e3296af504c17cd_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description mjcjszbd "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start mjcjszbd
C:\Windows\SysWOW64\mjcjszbd\maqatfeh.exe
C:\Windows\SysWOW64\mjcjszbd\maqatfeh.exe /d"C:\Users\Admin\AppData\Local\Temp\f209de2b20a674e93e3296af504c17cd_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 476 -p 2656 -ip 2656
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 1248
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1336 -ip 1336
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1336 -s 524
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 | 9.228.82.20.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 |
| RU | 176.111.174.19:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.91:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 74.125.143.27:25 | smtp.google.com | tcp |
| RU | 176.111.174.19:443 | 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 |
| RU | 176.111.174.19:443 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| RU | 176.111.174.19:443 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/2656-1-0x0000000002D90000-0x0000000002E90000-memory.dmp
memory/2656-2-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/2656-4-0x0000000000400000-0x0000000002BF6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\maqatfeh.exe
| MD5 | f36cd1d93a222b78bf32d05b7d820289 |
| SHA1 | f8500ac62f6c7a655a89b9bb8d68a405852e3c9c |
| SHA256 | c06e5b561a3ff819f4791bab50e33333cb2b5f059c00b18b2793dfa8f00f9707 |
| SHA512 | ddb41c71c4608ef50d0740b3af58bea07abe63f82e1df0203e8177ca5a5f14b2f645da8d3d975940b65e63d3bd56a78584d5eac660c06179a7d0f0087e86bef9 |
memory/2656-8-0x0000000000400000-0x0000000002BF6000-memory.dmp
memory/2656-9-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/1336-10-0x0000000002D40000-0x0000000002E40000-memory.dmp
memory/1196-11-0x00000000001D0000-0x00000000001E5000-memory.dmp
memory/1336-14-0x0000000000400000-0x0000000002BF6000-memory.dmp
memory/1196-16-0x00000000001D0000-0x00000000001E5000-memory.dmp
memory/1196-17-0x00000000001D0000-0x00000000001E5000-memory.dmp
memory/1336-18-0x0000000000400000-0x0000000002BF6000-memory.dmp
memory/1196-19-0x00000000001D0000-0x00000000001E5000-memory.dmp