Analysis Overview
SHA256
a76d1b8d639dd74017ff5501f34a3cb2b59a0730b87a3663c82137a523ef23e3
Threat Level: Known bad
The file f1bcb7d5244183f7769af344a006781e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Modifies Windows Firewall
Creates new service(s)
Sets service image path in registry
Executes dropped EXE
Checks computer location settings
Deletes itself
Suspicious use of SetThreadContext
Launches sc.exe
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 19:22
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 19:22
Reported
2024-04-15 19:25
Platform
win7-20240221-en
Max time kernel
149s
Max time network
125s
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\qabeaorn = "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\qabeaorn\ImagePath = "C:\\Windows\\SysWOW64\\qabeaorn\\rtmxemaq.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\qabeaorn\rtmxemaq.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2684 set thread context of 2424 | N/A | C:\Windows\SysWOW64\qabeaorn\rtmxemaq.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\f1bcb7d5244183f7769af344a006781e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qabeaorn\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rtmxemaq.exe" C:\Windows\SysWOW64\qabeaorn\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qabeaorn binPath= "C:\Windows\SysWOW64\qabeaorn\rtmxemaq.exe /d\"C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qabeaorn "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qabeaorn
C:\Windows\SysWOW64\qabeaorn\rtmxemaq.exe
C:\Windows\SysWOW64\qabeaorn\rtmxemaq.exe /d"C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_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 | 104.47.54.36:25 | microsoft-com.mail.protection.outlook.com | tcp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta7.am0.yahoodns.net | udp |
| US | 98.136.96.91:25 | mta7.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.145.26:25 | smtp.google.com | tcp |
| HK | 43.231.4.7:443 | 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 |
| HK | 43.231.4.7:443 | tcp |
Files
memory/2940-1-0x0000000000DD0000-0x0000000000ED0000-memory.dmp
memory/2940-3-0x0000000000220000-0x0000000000233000-memory.dmp
memory/2940-4-0x0000000000400000-0x0000000000C20000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rtmxemaq.exe
| MD5 | 3ca9bb853c4cbabec75ab94511b38313 |
| SHA1 | b02afa667ead88fe3e99487d1805cc75a0aee6a7 |
| SHA256 | 52974b1e49c38a24763f0f1e65e805e3f8b5d71b7c855286467ae8f077909daf |
| SHA512 | 03ba77db69da13fc2a113d2ed30854c5753e9b9b464af9cbb2131fadd9e56ddaa4a256df7ec240536f9bde6216c2e5877cbe0969c95f0c5e8c63fccfabf5dd77 |
memory/2940-7-0x0000000000400000-0x0000000000C20000-memory.dmp
memory/2940-8-0x0000000000DD0000-0x0000000000ED0000-memory.dmp
memory/2684-10-0x0000000000D60000-0x0000000000E60000-memory.dmp
memory/2424-11-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2684-13-0x0000000000400000-0x0000000000C20000-memory.dmp
memory/2424-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2424-15-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2424-19-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2684-18-0x0000000000400000-0x0000000000C20000-memory.dmp
memory/2424-20-0x0000000000100000-0x0000000000115000-memory.dmp
memory/2424-21-0x0000000000100000-0x0000000000115000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 19:22
Reported
2024-04-15 19:25
Platform
win10v2004-20240412-en
Max time kernel
151s
Max time network
156s
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\xrzcndsn\ImagePath = "C:\\Windows\\SysWOW64\\xrzcndsn\\wfzewvqm.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_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\xrzcndsn\wfzewvqm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 892 set thread context of 3456 | N/A | C:\Windows\SysWOW64\xrzcndsn\wfzewvqm.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\f1bcb7d5244183f7769af344a006781e_JaffaCakes118.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\xrzcndsn\wfzewvqm.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_JaffaCakes118.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 --field-trial-handle=3780,i,107393453197044369,3794435770200482906,262144 --variations-seed-version --mojo-platform-channel-handle=3164 /prefetch:8
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xrzcndsn\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wfzewvqm.exe" C:\Windows\SysWOW64\xrzcndsn\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create xrzcndsn binPath= "C:\Windows\SysWOW64\xrzcndsn\wfzewvqm.exe /d\"C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description xrzcndsn "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start xrzcndsn
C:\Windows\SysWOW64\xrzcndsn\wfzewvqm.exe
C:\Windows\SysWOW64\xrzcndsn\wfzewvqm.exe /d"C:\Users\Admin\AppData\Local\Temp\f1bcb7d5244183f7769af344a006781e_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 456 -p 2044 -ip 2044
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 1048
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 892 -ip 892
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 516
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 134.32.126.40.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 | 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 | 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 | 8.8.8.8:53 | 133.250.112.20.in-addr.arpa | udp |
| US | 52.101.40.26:25 | microsoft-com.mail.protection.outlook.com | tcp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 98.136.96.77:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 23.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.145.27:25 | smtp.google.com | tcp |
| HK | 43.231.4.7:443 | 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 |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
| HK | 43.231.4.7:443 | tcp |
Files
memory/2044-1-0x0000000000D80000-0x0000000000E80000-memory.dmp
memory/2044-2-0x0000000002820000-0x0000000002833000-memory.dmp
memory/2044-4-0x0000000000400000-0x0000000000C20000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\wfzewvqm.exe
| MD5 | 67402c1c75f5bc7b8a4f25a6a8e87a70 |
| SHA1 | 4c0492b43f375bfefbd038906ea2c092edf759ed |
| SHA256 | d797f988138be6ef0f7dc9817432a1e6499827dfe8b62775dc117e02449cfb5a |
| SHA512 | d5024e0184d79396b2f94afe376d510af4d0f4a6bc9f8890dd321e7855c97f653f1968360d874547148814a66e0342d0356e2281d6ef3c4839b798e3ee9b1cf9 |
memory/2044-7-0x0000000000400000-0x0000000000C20000-memory.dmp
memory/2044-8-0x0000000002820000-0x0000000002833000-memory.dmp
memory/892-10-0x0000000000E10000-0x0000000000F10000-memory.dmp
memory/3456-11-0x0000000000530000-0x0000000000545000-memory.dmp
memory/892-13-0x0000000000400000-0x0000000000C20000-memory.dmp
memory/3456-16-0x0000000000530000-0x0000000000545000-memory.dmp
memory/892-17-0x0000000000400000-0x0000000000C20000-memory.dmp
memory/3456-18-0x0000000000530000-0x0000000000545000-memory.dmp
memory/3456-19-0x0000000000530000-0x0000000000545000-memory.dmp