Analysis Overview
SHA256
e801ec0c491f33580b9474ab6e202b18f6952d48b69019a9c4ed48c279c5cf33
Threat Level: Known bad
The file df22722085baaf84cd07e5d92b7ac69a was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
Deletes itself
Executes dropped EXE
Checks computer location settings
Suspicious use of SetThreadContext
Launches sc.exe
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-26 12:12
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-26 12:12
Reported
2024-03-26 12:15
Platform
win7-20240221-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\ixlsfvbf = "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\ixlsfvbf\ImagePath = "C:\\Windows\\SysWOW64\\ixlsfvbf\\pkzjotlj.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\ixlsfvbf\pkzjotlj.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2468 set thread context of 652 | N/A | C:\Windows\SysWOW64\ixlsfvbf\pkzjotlj.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\df22722085baaf84cd07e5d92b7ac69a.exe
"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ixlsfvbf\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pkzjotlj.exe" C:\Windows\SysWOW64\ixlsfvbf\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ixlsfvbf binPath= "C:\Windows\SysWOW64\ixlsfvbf\pkzjotlj.exe /d\"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ixlsfvbf "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ixlsfvbf
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\ixlsfvbf\pkzjotlj.exe
C:\Windows\SysWOW64\ixlsfvbf\pkzjotlj.exe /d"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.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 | 104.47.54.36:25 | 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 |
| BE | 64.233.167.26:25 | 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/3036-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp
memory/3036-2-0x0000000000220000-0x0000000000233000-memory.dmp
memory/3036-4-0x0000000000400000-0x0000000002C68000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pkzjotlj.exe
| MD5 | fe530ab617a30dd01218b5f2cc3a5cfd |
| SHA1 | ceea36060fb7f4b9b33cec3383935fc84cc7af8a |
| SHA256 | a9e652f019965eb1a797b369c72031072961acfe5db072f2024387a8de30c5e3 |
| SHA512 | 4d41c92a912e864b1ae0ecaffd6ee45fd383ef940634a8ce363694898f79e315ba1ebf71bf8b0927561b4b15dd527a0894a91d54d35b9f3e2ed1ecbfcac04f72 |
memory/3036-6-0x0000000000400000-0x0000000002C68000-memory.dmp
C:\Windows\SysWOW64\ixlsfvbf\pkzjotlj.exe
| MD5 | 054bf43724b35d3cef24331dfeaefa3c |
| SHA1 | 3f8898e8964518164a14312c6112083ff8663663 |
| SHA256 | b85ab20b7c88500e6d7657e0c4fb110ddec66ee02aa82aaca41573628a6cae02 |
| SHA512 | 7485c1e2149ed31b38639fd3bcedc80558a9cef73bdf852b4a4df41ec27c9eb2d183699b6d8051f688c3214e233d55024f7cfdc3819448ce38f1c5546a22e59c |
memory/2468-9-0x0000000002DD0000-0x0000000002ED0000-memory.dmp
memory/652-10-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/652-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/652-13-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/652-17-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2468-18-0x0000000000400000-0x0000000002C68000-memory.dmp
memory/652-19-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2468-16-0x0000000000400000-0x0000000002C68000-memory.dmp
memory/652-20-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/652-21-0x00000000000C0000-0x00000000000D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-26 12:12
Reported
2024-03-26 12:15
Platform
win10v2004-20240226-en
Max time kernel
151s
Max time network
157s
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\hgpeothd\ImagePath = "C:\\Windows\\SysWOW64\\hgpeothd\\fjmiudaw.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.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\hgpeothd\fjmiudaw.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3740 set thread context of 4520 | N/A | C:\Windows\SysWOW64\hgpeothd\fjmiudaw.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\df22722085baaf84cd07e5d92b7ac69a.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\hgpeothd\fjmiudaw.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.exe
"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hgpeothd\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fjmiudaw.exe" C:\Windows\SysWOW64\hgpeothd\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create hgpeothd binPath= "C:\Windows\SysWOW64\hgpeothd\fjmiudaw.exe /d\"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description hgpeothd "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start hgpeothd
C:\Windows\SysWOW64\hgpeothd\fjmiudaw.exe
C:\Windows\SysWOW64\hgpeothd\fjmiudaw.exe /d"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a.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 444 -p 4064 -ip 4064
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 1304
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3740 -ip 3740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 524
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 | 104.47.54.36:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 133.250.112.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.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 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.77:25 | mta6.am0.yahoodns.net | tcp |
| 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 | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 200.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| BE | 64.233.167.27:25 | 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 | 203.178.17.96.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 | 29.243.111.52.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 | 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 |
Files
memory/4064-1-0x0000000002D40000-0x0000000002E40000-memory.dmp
memory/4064-2-0x00000000049B0000-0x00000000049C3000-memory.dmp
memory/4064-3-0x0000000000400000-0x0000000002C68000-memory.dmp
memory/4064-5-0x0000000000400000-0x0000000002C68000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\fjmiudaw.exe
| MD5 | 4b2cdf265bdc4663c7d8d5fce329af3a |
| SHA1 | ddf85d2d30c6dd4bd7c7f74a7a1d3180bfe3a8d2 |
| SHA256 | ce45efa4712146b5d6b14c4e9b800711d1ed33cdc97661763294d50e6fd95217 |
| SHA512 | d076a1dfc932e43dd055126259de55c7e9dccd3f6ecef16ca427e230f18074ced8c52cf869d59dcbde61cc2f22bfe521c09d563600e87112c9a5b413094c1200 |
C:\Windows\SysWOW64\hgpeothd\fjmiudaw.exe
| MD5 | 95de3d2d8e0b2f36d46e9df8224207eb |
| SHA1 | dc69d77831d53ec917654cc3a3a8dba797f94ce5 |
| SHA256 | 27dd0b8dd92e40b9c717f890bbdc2c772954e290ec9c02513fdafb980acdbe7a |
| SHA512 | 7dc449bd4d4fb358f241f8fa2619ebc970808128aaacd5aea32bf4c5fd87135a531a00f7154cbefeabb79dd1839ebe9515f9d22792be87f1e4e49a0dbb049c72 |
memory/4064-9-0x0000000000400000-0x0000000002C68000-memory.dmp
memory/4064-10-0x00000000049B0000-0x00000000049C3000-memory.dmp
memory/3740-11-0x0000000002EA0000-0x0000000002FA0000-memory.dmp
memory/3740-12-0x0000000000400000-0x0000000002C68000-memory.dmp
memory/4520-13-0x0000000000410000-0x0000000000425000-memory.dmp
memory/4520-17-0x0000000000410000-0x0000000000425000-memory.dmp
memory/4520-19-0x0000000000410000-0x0000000000425000-memory.dmp
memory/3740-18-0x0000000000400000-0x0000000002C68000-memory.dmp
memory/4520-20-0x0000000000410000-0x0000000000425000-memory.dmp