Analysis Overview
SHA256
c02ce7fba728b8b8d459ff2a48fbbd0986cd474a16e339457b4d0e7ca538036d
Threat Level: Known bad
The file f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
Creates new service(s)
Sets service image path in registry
Modifies Windows Firewall
Checks computer location settings
Executes dropped EXE
Deletes itself
Suspicious use of SetThreadContext
Launches sc.exe
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-16 03:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-16 03:18
Reported
2024-04-16 03:21
Platform
win7-20240319-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\szzhdcxi = "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\szzhdcxi\ImagePath = "C:\\Windows\\SysWOW64\\szzhdcxi\\tckibdgg.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\szzhdcxi\tckibdgg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2464 set thread context of 2448 | N/A | C:\Windows\SysWOW64\szzhdcxi\tckibdgg.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\f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\szzhdcxi\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tckibdgg.exe" C:\Windows\SysWOW64\szzhdcxi\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create szzhdcxi binPath= "C:\Windows\SysWOW64\szzhdcxi\tckibdgg.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description szzhdcxi "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start szzhdcxi
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\szzhdcxi\tckibdgg.exe
C:\Windows\SysWOW64\szzhdcxi\tckibdgg.exe /d"C:\Users\Admin\AppData\Local\Temp\f2908395b8a8846d7c3752da7ffcc9ad_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 | 104.47.53.36:25 | 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 | 67.195.204.79:25 | 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 | 173.194.79.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 217.69.139.150:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | refabyd.info | udp |
Files
memory/2372-1-0x00000000002B0000-0x00000000003B0000-memory.dmp
memory/2372-3-0x00000000001B0000-0x00000000001C3000-memory.dmp
memory/2372-4-0x0000000000400000-0x000000000046D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tckibdgg.exe
| MD5 | 89af52b55abc33de7fc2a1df74d2bfb0 |
| SHA1 | 75785319dfd24572b317e1c3e3b359215f168d87 |
| SHA256 | d226b53b7b6e340d68ac69f4f8f045892c23c9f0cc6dfd6969f29ee704a35ba7 |
| SHA512 | 2f9c48224a7f9380c8ad7daa5b6d454b1284796263c743a4d6703bdf424303fdb95b1d427780dd897d04686c9b2e21e5b1d1c927d9c6e1f1f74e0045748007e2 |
memory/2372-6-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2464-9-0x0000000000580000-0x0000000000680000-memory.dmp
memory/2464-10-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2448-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2464-16-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2448-14-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2448-11-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2448-18-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2448-19-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2448-20-0x0000000000100000-0x0000000000115000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 03:18
Reported
2024-04-16 03:21
Platform
win10v2004-20240226-en
Max time kernel
154s
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\vgrilxdo\ImagePath = "C:\\Windows\\SysWOW64\\vgrilxdo\\sktbylxr.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\vgrilxdo\sktbylxr.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3528 set thread context of 2608 | N/A | C:\Windows\SysWOW64\vgrilxdo\sktbylxr.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\f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vgrilxdo\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sktbylxr.exe" C:\Windows\SysWOW64\vgrilxdo\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create vgrilxdo binPath= "C:\Windows\SysWOW64\vgrilxdo\sktbylxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2908395b8a8846d7c3752da7ffcc9ad_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description vgrilxdo "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start vgrilxdo
C:\Windows\SysWOW64\vgrilxdo\sktbylxr.exe
C:\Windows\SysWOW64\vgrilxdo\sktbylxr.exe /d"C:\Users\Admin\AppData\Local\Temp\f2908395b8a8846d7c3752da7ffcc9ad_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
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4060 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| GB | 142.250.187.234:443 | tcp | |
| 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 | defeatwax.ru | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 239.249.30.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | 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 | 67.195.204.74:25 | mta5.am0.yahoodns.net | 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 | 22.236.111.52.in-addr.arpa | 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 | 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 | 10.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
Files
memory/1432-1-0x00000000004C0000-0x00000000005C0000-memory.dmp
memory/1432-2-0x00000000021B0000-0x00000000021C3000-memory.dmp
memory/1432-3-0x0000000000400000-0x000000000046D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sktbylxr.exe
| MD5 | 3b651cc43c9259c127f01ba6c2a7ffaf |
| SHA1 | 5507d20fefae8ffc9802bc5d88ff873c15e37059 |
| SHA256 | 5cfd3da7f31d1c0f3dffc3a1e69a4780a9e8791108217ac15f9119c5024e06ae |
| SHA512 | 1c73a203709608c4d48afaf5dbf9924ee999863c97a6313dab15a8058b93d111ee087901845b2fb66d57974aa008abc32238b0ca52fd53459ec320bdfa09cc98 |
memory/1432-6-0x0000000000400000-0x000000000046D000-memory.dmp
memory/3528-9-0x0000000000810000-0x0000000000910000-memory.dmp
memory/3528-10-0x0000000000C30000-0x0000000000C43000-memory.dmp
memory/3528-11-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2608-12-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/2608-15-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/1432-16-0x0000000000400000-0x000000000046D000-memory.dmp
memory/3528-17-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2608-18-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/2608-19-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/1432-20-0x00000000004C0000-0x00000000005C0000-memory.dmp
memory/2608-27-0x0000000000A30000-0x0000000000A45000-memory.dmp