Analysis Overview
SHA256
0679a918d7d020d9487e309fbcf8e55c997f405530f92256b6de7d3ae27eb0b7
Threat Level: Known bad
The file ddeb056ae1107f54f787111be1f88041 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
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
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 11:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 11:38
Reported
2024-03-25 11:41
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
145s
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\hzhyimee\ImagePath = "C:\\Windows\\SysWOW64\\hzhyimee\\gbqafkca.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.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\hzhyimee\gbqafkca.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3280 set thread context of 2308 | N/A | C:\Windows\SysWOW64\hzhyimee\gbqafkca.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\ddeb056ae1107f54f787111be1f88041.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\hzhyimee\gbqafkca.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.exe
"C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hzhyimee\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gbqafkca.exe" C:\Windows\SysWOW64\hzhyimee\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create hzhyimee binPath= "C:\Windows\SysWOW64\hzhyimee\gbqafkca.exe /d\"C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description hzhyimee "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start hzhyimee
C:\Windows\SysWOW64\hzhyimee\gbqafkca.exe
C:\Windows\SysWOW64\hzhyimee\gbqafkca.exe /d"C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.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 448 -p 2672 -ip 2672
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 1232
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3280 -ip 3280
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 520
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 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.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 | 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 |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta7.am0.yahoodns.net | udp |
| US | 98.136.96.76:25 | mta7.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 184.178.17.96.in-addr.arpa | 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 | 142.250.27.27:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | 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 | refabyd.info | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 22.236.111.52.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 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
Files
memory/2672-1-0x0000000000810000-0x0000000000910000-memory.dmp
memory/2672-2-0x00000000005F0000-0x0000000000603000-memory.dmp
memory/2672-3-0x0000000000400000-0x0000000000456000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gbqafkca.exe
| MD5 | 5d1470caf0cf10f682be43586f909f62 |
| SHA1 | 8b8e686d21ff3277ce86d9b5f9475eff108875ff |
| SHA256 | 39177e8c1255444d714f716028f324d346c3f9ce13e99554ef9a56a9094bdf58 |
| SHA512 | c265fee6d74bfaaacd05f790e2f6863362be0f112b2d6deb58803502500a536b5b6ef24b90b8d30732acb4f3f635c69d1ea38282d900d7422cf7b6f1c6e4d174 |
memory/2672-8-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2672-9-0x00000000005F0000-0x0000000000603000-memory.dmp
memory/3280-10-0x00000000005D0000-0x00000000006D0000-memory.dmp
memory/2308-11-0x0000000001230000-0x0000000001245000-memory.dmp
memory/3280-12-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2308-15-0x0000000001230000-0x0000000001245000-memory.dmp
memory/2308-16-0x0000000001230000-0x0000000001245000-memory.dmp
memory/2308-17-0x0000000001230000-0x0000000001245000-memory.dmp
memory/3280-18-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2308-19-0x0000000001230000-0x0000000001245000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 11:38
Reported
2024-03-25 11:41
Platform
win7-20240215-en
Max time kernel
147s
Max time network
145s
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\lzsorelz = "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\lzsorelz\ImagePath = "C:\\Windows\\SysWOW64\\lzsorelz\\wnngwvwk.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\lzsorelz\wnngwvwk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1772 set thread context of 2468 | N/A | C:\Windows\SysWOW64\lzsorelz\wnngwvwk.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\ddeb056ae1107f54f787111be1f88041.exe
"C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lzsorelz\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wnngwvwk.exe" C:\Windows\SysWOW64\lzsorelz\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lzsorelz binPath= "C:\Windows\SysWOW64\lzsorelz\wnngwvwk.exe /d\"C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lzsorelz "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lzsorelz
C:\Windows\SysWOW64\lzsorelz\wnngwvwk.exe
C:\Windows\SysWOW64\lzsorelz\wnngwvwk.exe /d"C:\Users\Admin\AppData\Local\Temp\ddeb056ae1107f54f787111be1f88041.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 | 104.47.53.36:25 | 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 | mta7.am0.yahoodns.net | udp |
| US | 67.195.228.94:25 | 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 | 142.250.27.27:25 | 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/2204-3-0x00000000002D0000-0x00000000002E3000-memory.dmp
memory/2204-1-0x0000000000500000-0x0000000000600000-memory.dmp
memory/2204-4-0x0000000000400000-0x0000000000456000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\wnngwvwk.exe
| MD5 | 2625bb279b7189f174d33f70d5c9ddd4 |
| SHA1 | e2f338df49594891338262769442259554159f10 |
| SHA256 | 51f0f0284474c28d9b2d5f98cf1f36e654b814006e2de524169991f7d04c3a58 |
| SHA512 | eec45aeac1b8ca4865adc23b1f67cb23c97cec4cec35816c5e12b2cb940efc534eafc439863d513e136d86f3c234c9fe97d165b3eaba4054cb6d5fc9c60248fa |
C:\Windows\SysWOW64\lzsorelz\wnngwvwk.exe
| MD5 | 3ae4a343926f16dcbffca990846d6615 |
| SHA1 | fb8e99883814c5b241d4a1fc4aeb66258e19f419 |
| SHA256 | dac7c30c430f1130052962e3a3e5cdddbdefe125daccf9f7717dd72583aa852d |
| SHA512 | d52d13ba0dcfc5b0663887ec25dc2b497f1fa9d1fdf337ba64dbcbf03d3e0aa6254f71f1d033a0a351259142a784f52ef52f2a1928b4cf40a7ad936b477db838 |
memory/2204-8-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1772-9-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/1772-10-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2468-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/1772-16-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2468-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2468-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2468-18-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2468-19-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2468-20-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2468-21-0x0000000000080000-0x0000000000095000-memory.dmp