Analysis Overview
SHA256
a8cc9358a6bb7013fdc8abf9a1371c7b22a3b7311eec92dae140c844463d95bd
Threat Level: Known bad
The file f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Creates new service(s)
Sets service image path in registry
Modifies Windows Firewall
Deletes itself
Executes dropped EXE
Checks computer location settings
Suspicious use of SetThreadContext
Launches sc.exe
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 16:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 16:22
Reported
2024-04-15 16:25
Platform
win7-20240215-en
Max time kernel
145s
Max time network
146s
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\pigqrrwo = "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\pigqrrwo\ImagePath = "C:\\Windows\\SysWOW64\\pigqrrwo\\ivmvnacw.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\pigqrrwo\ivmvnacw.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2464 set thread context of 2676 | N/A | C:\Windows\SysWOW64\pigqrrwo\ivmvnacw.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\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pigqrrwo\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ivmvnacw.exe" C:\Windows\SysWOW64\pigqrrwo\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create pigqrrwo binPath= "C:\Windows\SysWOW64\pigqrrwo\ivmvnacw.exe /d\"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description pigqrrwo "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start pigqrrwo
C:\Windows\SysWOW64\pigqrrwo\ivmvnacw.exe
C:\Windows\SysWOW64\pigqrrwo\ivmvnacw.exe /d"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_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 | 52.101.11.0:25 | 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 | 67.195.204.79:25 | 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 | 173.194.69.26:25 | 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/2240-1-0x00000000005C0000-0x00000000006C0000-memory.dmp
memory/2240-3-0x0000000000220000-0x0000000000233000-memory.dmp
memory/2240-4-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ivmvnacw.exe
| MD5 | 2db0363793439e2ef85796573f8df93f |
| SHA1 | defd0447a1742092b4fc797096f2ec9308974f7b |
| SHA256 | 681828bbbea27e26e55edbf3b93f2f80171b652245c1050db56cc3521228903a |
| SHA512 | ad5fab48dcb04e0a6d3cf134a4440b937ffc8a362d3f2c3edd283522108b9eee86e0904d831bc8c907cdec896be763412c6d38b8622fa4d54b0f432cc22a48d5 |
memory/2240-8-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2240-9-0x00000000005C0000-0x00000000006C0000-memory.dmp
memory/2676-13-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2676-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2676-10-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2464-14-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/2464-16-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2676-19-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2676-20-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2676-21-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2676-22-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 16:22
Reported
2024-04-15 16:25
Platform
win10v2004-20240412-en
Max time kernel
147s
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\lsjelkve\ImagePath = "C:\\Windows\\SysWOW64\\lsjelkve\\sncmrwom.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\lsjelkve\sncmrwom.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4736 set thread context of 2872 | N/A | C:\Windows\SysWOW64\lsjelkve\sncmrwom.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\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lsjelkve\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sncmrwom.exe" C:\Windows\SysWOW64\lsjelkve\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lsjelkve binPath= "C:\Windows\SysWOW64\lsjelkve\sncmrwom.exe /d\"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lsjelkve "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lsjelkve
C:\Windows\SysWOW64\lsjelkve\sncmrwom.exe
C:\Windows\SysWOW64\lsjelkve\sncmrwom.exe /d"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_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 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.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 | 52.101.11.0:25 | 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 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| 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 | 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 | defeatwax.ru | udp |
| NL | 52.142.223.178:80 | tcp | |
| 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 | 173.194.69.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 82.90.14.23.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 | 94.100.180.31:25 | 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 |
Files
memory/876-2-0x0000000000580000-0x0000000000593000-memory.dmp
memory/876-1-0x00000000005B0000-0x00000000006B0000-memory.dmp
memory/876-4-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sncmrwom.exe
| MD5 | 22cf17a8970e4916308a6fed85fe43ae |
| SHA1 | 087d2e069915c846e2f3278b9431c39a56e877a7 |
| SHA256 | 1f4b1b1aad89cdec28cc40efca15cde771eeca97bc6c4d79ee87f65b99242a3f |
| SHA512 | ccdbf5ce47f162bcdc4b6f59d79ad54aee92a1abece1760af4c1ac559e6c8328fd2c1cbd141624d4d79d31407ab2f748c98439aaed1c27295ac6786155159ff7 |
memory/4736-8-0x0000000000610000-0x0000000000710000-memory.dmp
memory/4736-10-0x0000000000400000-0x000000000046E000-memory.dmp
memory/4736-9-0x00000000004E0000-0x00000000004F3000-memory.dmp
memory/2872-11-0x0000000000B00000-0x0000000000B15000-memory.dmp
memory/2872-14-0x0000000000B00000-0x0000000000B15000-memory.dmp
memory/876-15-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2872-16-0x0000000000B00000-0x0000000000B15000-memory.dmp
memory/2872-17-0x0000000000B00000-0x0000000000B15000-memory.dmp
memory/4736-18-0x0000000000400000-0x000000000046E000-memory.dmp
memory/876-23-0x00000000005B0000-0x00000000006B0000-memory.dmp
memory/2872-25-0x0000000000B00000-0x0000000000B15000-memory.dmp