Analysis Overview
SHA256
b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c
Threat Level: Known bad
The file b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c was found to be: Known bad.
Malicious Activity Summary
Gh0st RAT payload
Gh0strat
Sets DLL path for service in the registry
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 23:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 23:30
Reported
2024-06-03 23:32
Platform
win7-20240508-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Gh0st RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Gh0strat
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259396075.bat" | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchcst.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchcst.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\svchcst.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\SysWOW64\259396075.bat | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ini.ini | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| File created | C:\Windows\SysWOW64\svchcst.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
"C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe"
C:\Users\Admin\AppData\Local\Temp\look2.exe
C:\Users\Admin\AppData\Local\Temp\\look2.exe
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259396075.bat",MainThread
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
Files
C:\Users\Admin\AppData\Local\Temp\look2.exe
| MD5 | 2f3b6f16e33e28ad75f3fdaef2567807 |
| SHA1 | 85e907340faf1edfc9210db85a04abd43d21b741 |
| SHA256 | 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857 |
| SHA512 | db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4 |
\Windows\SysWOW64\259396075.bat
| MD5 | 33dedc0ae8ee505d1757eaa79e29a4b7 |
| SHA1 | 2d0a75a3a76da43a52a66ae28a444cacb44eb2cd |
| SHA256 | c86afd8e00fd0c7632fa533f61f5dd3931a30203810a6de654e876da249c59d1 |
| SHA512 | e2dce26a1d5577b6e3a78e56444e3e68732888a4d749ee02a24c4c8e950a9321c3db78c24fea00a044e2c9018e69092f1ddb690f1399a7b188bc10a6fd68dea4 |
\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
| MD5 | fb083acd60fe5c3156dc25442be815e3 |
| SHA1 | 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8 |
| SHA256 | f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794 |
| SHA512 | 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6 |
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
| MD5 | e9221c36b250f8ecd2d247a8f740477e |
| SHA1 | 82033ca2584af234eda65a6abceb3643f1653944 |
| SHA256 | 390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc |
| SHA512 | 88b7240b1c199fac44ec260190b7b945b2951b0db31b84302f3c1c474c729b55e2d2856935fa72a215445f631b179aeeb9adff95282df0a8931801d77d56e96c |
\Windows\SysWOW64\svchcst.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 23:30
Reported
2024-06-03 23:32
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Gh0st RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Gh0strat
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240604109.bat" | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchcst.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchcst.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\svchcst.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\SysWOW64\240604109.bat | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ini.ini | C:\Users\Admin\AppData\Local\Temp\look2.exe | N/A |
| File created | C:\Windows\SysWOW64\svchcst.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
"C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe"
C:\Users\Admin\AppData\Local\Temp\look2.exe
C:\Users\Admin\AppData\Local\Temp\\look2.exe
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240604109.bat",MainThread
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | 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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
| US | 8.8.8.8:53 | 10.179.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kinh.xmcxmr.com | udp |
Files
C:\Users\Admin\AppData\Local\Temp\look2.exe
| MD5 | 2f3b6f16e33e28ad75f3fdaef2567807 |
| SHA1 | 85e907340faf1edfc9210db85a04abd43d21b741 |
| SHA256 | 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857 |
| SHA512 | db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4 |
C:\Windows\SysWOW64\240604109.bat
| MD5 | 33dedc0ae8ee505d1757eaa79e29a4b7 |
| SHA1 | 2d0a75a3a76da43a52a66ae28a444cacb44eb2cd |
| SHA256 | c86afd8e00fd0c7632fa533f61f5dd3931a30203810a6de654e876da249c59d1 |
| SHA512 | e2dce26a1d5577b6e3a78e56444e3e68732888a4d749ee02a24c4c8e950a9321c3db78c24fea00a044e2c9018e69092f1ddb690f1399a7b188bc10a6fd68dea4 |
C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
| MD5 | fb083acd60fe5c3156dc25442be815e3 |
| SHA1 | 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8 |
| SHA256 | f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794 |
| SHA512 | 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6 |
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
| MD5 | e9221c36b250f8ecd2d247a8f740477e |
| SHA1 | 82033ca2584af234eda65a6abceb3643f1653944 |
| SHA256 | 390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc |
| SHA512 | 88b7240b1c199fac44ec260190b7b945b2951b0db31b84302f3c1c474c729b55e2d2856935fa72a215445f631b179aeeb9adff95282df0a8931801d77d56e96c |
C:\Windows\SysWOW64\svchcst.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |