Analysis Overview
SHA256
c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c
Threat Level: Known bad
The file JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c was found to be: Known bad.
Malicious Activity Summary
Tofsee
Tofsee family
Windows security bypass
Creates new service(s)
Sets service image path in registry
Modifies Windows Firewall
Checks computer location settings
Deletes itself
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
System Location Discovery: System Language Discovery
Event Triggered Execution: Netsh Helper DLL
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-29 12:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-29 12:38
Reported
2024-12-29 12:40
Platform
win7-20241010-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Tofsee
Tofsee family
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\uxxgylrq = "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\uxxgylrq\ImagePath = "C:\\Windows\\SysWOW64\\uxxgylrq\\jtylsnmb.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\uxxgylrq\jtylsnmb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2448 set thread context of 2684 | N/A | C:\Windows\SysWOW64\uxxgylrq\jtylsnmb.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
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\uxxgylrq\jtylsnmb.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uxxgylrq\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jtylsnmb.exe" C:\Windows\SysWOW64\uxxgylrq\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create uxxgylrq binPath= "C:\Windows\SysWOW64\uxxgylrq\jtylsnmb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description uxxgylrq "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start uxxgylrq
C:\Windows\SysWOW64\uxxgylrq\jtylsnmb.exe
C:\Windows\SysWOW64\uxxgylrq\jtylsnmb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.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 |
| NL | 20.76.201.171:80 | 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 | quadoil.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.204.72:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.27.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 217.69.139.150:25 | mxs.mail.ru | tcp |
Files
memory/2956-1-0x0000000000230000-0x0000000000243000-memory.dmp
memory/2956-0-0x0000000000220000-0x000000000022D000-memory.dmp
memory/2956-2-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\jtylsnmb.exe
| MD5 | 6bd47afba674b9298624e2732298d345 |
| SHA1 | 9478e74ed9f064b7bf357cfd15cc71c3e299ec16 |
| SHA256 | b4170b6916cbe35c645ccfd248b9221476d70cc0283af68ae3c452a7fe8b6648 |
| SHA512 | c636f341b5d0c3fad308632c40b2ea2dbd8c8ea1afbba7680781229df62cce74bf047494735fad47f882ea8e04045c9b9fd96a3a03b2762b851aff3ee89a10a7 |
memory/2956-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2956-8-0x0000000000230000-0x0000000000243000-memory.dmp
memory/2956-7-0x0000000000220000-0x000000000022D000-memory.dmp
memory/2956-6-0x0000000000400000-0x0000000000434000-memory.dmp
memory/2684-10-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2684-13-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2684-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2684-15-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2448-16-0x0000000000400000-0x0000000000434000-memory.dmp
memory/2684-17-0x00000000000C0000-0x00000000000D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-29 12:38
Reported
2024-12-29 12:40
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
145s
Command Line
Signatures
Tofsee
Tofsee family
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\lbcgzltg\ImagePath = "C:\\Windows\\SysWOW64\\lbcgzltg\\wlmsfqkj.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.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\lbcgzltg\wlmsfqkj.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4028 set thread context of 3764 | N/A | C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.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
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lbcgzltg\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wlmsfqkj.exe" C:\Windows\SysWOW64\lbcgzltg\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lbcgzltg binPath= "C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lbcgzltg "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lbcgzltg
C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe
C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.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 424 -p 1472 -ip 1472
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1036
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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 52.101.42.0:25 | 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 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 67.195.204.72:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.102.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | 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 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
Files
memory/1472-1-0x00000000005B0000-0x00000000005C3000-memory.dmp
memory/1472-0-0x00000000005A0000-0x00000000005AD000-memory.dmp
memory/1472-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\wlmsfqkj.exe
| MD5 | 6f8ed6b6e6ac6e81d8b2ba83fc7b919d |
| SHA1 | c87c3d2fcad08b0957eecb45d326058726064e2b |
| SHA256 | 2bf620cd46a6124538d712608eb34e0d9ba29b11959017504bf6bdd69aaa23c5 |
| SHA512 | b86ab8713b8c4206a1b432fecc5f78cf172095f2a31ab195f5ca8427b67961d844a98f550e7a351b4949fe55e04af107efbed118fc4663b596ed1de3012dc3bb |
memory/4028-7-0x0000000000400000-0x0000000000434000-memory.dmp
memory/4028-6-0x0000000000400000-0x0000000000434000-memory.dmp
memory/4028-8-0x0000000000400000-0x0000000000434000-memory.dmp
memory/3764-9-0x0000000000680000-0x0000000000695000-memory.dmp
memory/3764-12-0x0000000000680000-0x0000000000695000-memory.dmp
memory/4028-14-0x0000000000400000-0x0000000000434000-memory.dmp
memory/1472-17-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1472-16-0x00000000005B0000-0x00000000005C3000-memory.dmp
memory/1472-15-0x0000000000400000-0x0000000000434000-memory.dmp
memory/3764-18-0x0000000000680000-0x0000000000695000-memory.dmp
memory/3764-19-0x0000000000680000-0x0000000000695000-memory.dmp
memory/3764-20-0x0000000000680000-0x0000000000695000-memory.dmp