Analysis Overview
SHA256
e90e101038e5059907d0f3540ab8e7a4ff2f380f00c3a35d23e13e80f8160a53
Threat Level: Known bad
The file CF3E191984D67CC23E9801C1F34AEF0C.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Detect Blackmoon payload
Quasar family
Quasar RAT
Blackmoon, KrBanker
Loads dropped DLL
UPX packed file
Executes dropped EXE
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-06 09:51
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-06 09:51
Reported
2023-12-06 09:53
Platform
win7-20231020-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe
"C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c start C:\Users\Admin\AppData\Local\Temp\\Client-built.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c start C:\Users\Admin\AppData\Local\Temp\\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
C:\Users\Admin\AppData\Local\Temp\\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
C:\Users\Admin\AppData\Local\Temp\\Client-built.exe
Network
| Country | Destination | Domain | Proto |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp | |
| JP | 106.160.59.123:5468 | tcp |
Files
memory/1364-0-0x0000000000400000-0x000000000040B000-memory.dmp
\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr
| MD5 | 97c8fe752e354b2945e4c593a87e4a8b |
| SHA1 | 03ab4c91535ecf14b13e0258f3a7be459a7957f9 |
| SHA256 | 820d8dd49baed0da44d42555ad361d78e068115661dce72ae6578dcdab6baead |
| SHA512 | af4492c08d6659d21ebfefe752b0d71210d2542c1788f1d2d9f86a85f01c3dd05eebf61c925e18b5e870aec7e9794e4a7050a04f4c58d90dca93324485690bcc |
memory/1364-6-0x0000000000220000-0x0000000000234000-memory.dmp
\Users\Admin\AppData\Local\Temp\E_4\shell.fne
| MD5 | d63851f89c7ad4615565ca300e8b8e27 |
| SHA1 | 1c9a6c1ce94581f85be0e99e2d370384b959578f |
| SHA256 | 0a6ae72df15cbca21c6af32bc2c13ca876e191008f1078228b3b98add9fc9d8d |
| SHA512 | 623e9e9beb5d2a9f3a6a75e5fac9dda5b437246fd3b10db4bba680f61bc68aae6714f11a12938b7d22b1c7691f45a75c4406ba06fa901da8ce05e784038970d2 |
memory/1364-10-0x0000000000400000-0x000000000040B000-memory.dmp
\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
| MD5 | 90f02d102a066c61308c4007f7381349 |
| SHA1 | e7eff6d61d3516ad63d5d95cbd87d568b5a3fc09 |
| SHA256 | c406aba9676bd1624db08aa60acd6e65c39259a97bbb31b479ac0fec519d4df4 |
| SHA512 | e845dc46b1298eba2efb96d930a8c09b8f4745c50c7c3c31c0ecfd633b5c44487d30b361d56ad964ddb539a489faea797a9d7109db478e9004b99acc5e1415e5 |
\Users\Admin\AppData\Local\Temp\Client-built.exe
| MD5 | 4581d8db596f027233f51dab3764d4b4 |
| SHA1 | b9de18c073f3e40e7fb56a7c2b99c1fff8e6750b |
| SHA256 | 5b156481362beac5abeb59112d90be64124dd70e3dffb6cc106323abf1b90b05 |
| SHA512 | 6e358404f57c391cee1e89f6026c2ae942ea411b09862c07e449fc4a2831454092e26bf1f471156584be3fe253775a805e6d6c1211d239e55ef46237d9889a2b |
memory/2388-14-0x0000000000400000-0x0000000000437000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
| MD5 | 90f02d102a066c61308c4007f7381349 |
| SHA1 | e7eff6d61d3516ad63d5d95cbd87d568b5a3fc09 |
| SHA256 | c406aba9676bd1624db08aa60acd6e65c39259a97bbb31b479ac0fec519d4df4 |
| SHA512 | e845dc46b1298eba2efb96d930a8c09b8f4745c50c7c3c31c0ecfd633b5c44487d30b361d56ad964ddb539a489faea797a9d7109db478e9004b99acc5e1415e5 |
C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
| MD5 | 90f02d102a066c61308c4007f7381349 |
| SHA1 | e7eff6d61d3516ad63d5d95cbd87d568b5a3fc09 |
| SHA256 | c406aba9676bd1624db08aa60acd6e65c39259a97bbb31b479ac0fec519d4df4 |
| SHA512 | e845dc46b1298eba2efb96d930a8c09b8f4745c50c7c3c31c0ecfd633b5c44487d30b361d56ad964ddb539a489faea797a9d7109db478e9004b99acc5e1415e5 |
\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
| MD5 | 90f02d102a066c61308c4007f7381349 |
| SHA1 | e7eff6d61d3516ad63d5d95cbd87d568b5a3fc09 |
| SHA256 | c406aba9676bd1624db08aa60acd6e65c39259a97bbb31b479ac0fec519d4df4 |
| SHA512 | e845dc46b1298eba2efb96d930a8c09b8f4745c50c7c3c31c0ecfd633b5c44487d30b361d56ad964ddb539a489faea797a9d7109db478e9004b99acc5e1415e5 |
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
| MD5 | 4581d8db596f027233f51dab3764d4b4 |
| SHA1 | b9de18c073f3e40e7fb56a7c2b99c1fff8e6750b |
| SHA256 | 5b156481362beac5abeb59112d90be64124dd70e3dffb6cc106323abf1b90b05 |
| SHA512 | 6e358404f57c391cee1e89f6026c2ae942ea411b09862c07e449fc4a2831454092e26bf1f471156584be3fe253775a805e6d6c1211d239e55ef46237d9889a2b |
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
| MD5 | 4581d8db596f027233f51dab3764d4b4 |
| SHA1 | b9de18c073f3e40e7fb56a7c2b99c1fff8e6750b |
| SHA256 | 5b156481362beac5abeb59112d90be64124dd70e3dffb6cc106323abf1b90b05 |
| SHA512 | 6e358404f57c391cee1e89f6026c2ae942ea411b09862c07e449fc4a2831454092e26bf1f471156584be3fe253775a805e6d6c1211d239e55ef46237d9889a2b |
memory/2820-20-0x0000000001170000-0x0000000001494000-memory.dmp
memory/2820-21-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp
memory/2820-22-0x000000001B200000-0x000000001B280000-memory.dmp
memory/2808-23-0x0000000000400000-0x0000000000437000-memory.dmp
memory/2820-25-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp
memory/2820-26-0x000000001B200000-0x000000001B280000-memory.dmp
memory/2808-32-0x0000000000400000-0x0000000000437000-memory.dmp
memory/2808-37-0x0000000000400000-0x0000000000437000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-06 09:51
Reported
2023-12-06 09:53
Platform
win10v2004-20231127-en
Max time kernel
150s
Max time network
146s
Command Line
Signatures
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe
"C:\Users\Admin\AppData\Local\Temp\CF3E191984D67CC23E9801C1F34AEF0C.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c start C:\Users\Admin\AppData\Local\Temp\\Client-built.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c start C:\Users\Admin\AppData\Local\Temp\\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
C:\Users\Admin\AppData\Local\Temp\\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
C:\Users\Admin\AppData\Local\Temp\\Client-built.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.175.53.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 39.142.81.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| JP | 106.160.59.123:5468 | tcp | |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 123.59.160.106.in-addr.arpa | 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 | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/4488-0-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr
| MD5 | 97c8fe752e354b2945e4c593a87e4a8b |
| SHA1 | 03ab4c91535ecf14b13e0258f3a7be459a7957f9 |
| SHA256 | 820d8dd49baed0da44d42555ad361d78e068115661dce72ae6578dcdab6baead |
| SHA512 | af4492c08d6659d21ebfefe752b0d71210d2542c1788f1d2d9f86a85f01c3dd05eebf61c925e18b5e870aec7e9794e4a7050a04f4c58d90dca93324485690bcc |
C:\Users\Admin\AppData\Local\Temp\E_4\shell.fne
| MD5 | d63851f89c7ad4615565ca300e8b8e27 |
| SHA1 | 1c9a6c1ce94581f85be0e99e2d370384b959578f |
| SHA256 | 0a6ae72df15cbca21c6af32bc2c13ca876e191008f1078228b3b98add9fc9d8d |
| SHA512 | 623e9e9beb5d2a9f3a6a75e5fac9dda5b437246fd3b10db4bba680f61bc68aae6714f11a12938b7d22b1c7691f45a75c4406ba06fa901da8ce05e784038970d2 |
memory/4488-9-0x0000000002320000-0x0000000002334000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\E_4\shell.fne
| MD5 | d63851f89c7ad4615565ca300e8b8e27 |
| SHA1 | 1c9a6c1ce94581f85be0e99e2d370384b959578f |
| SHA256 | 0a6ae72df15cbca21c6af32bc2c13ca876e191008f1078228b3b98add9fc9d8d |
| SHA512 | 623e9e9beb5d2a9f3a6a75e5fac9dda5b437246fd3b10db4bba680f61bc68aae6714f11a12938b7d22b1c7691f45a75c4406ba06fa901da8ce05e784038970d2 |
memory/4488-14-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
| MD5 | 90f02d102a066c61308c4007f7381349 |
| SHA1 | e7eff6d61d3516ad63d5d95cbd87d568b5a3fc09 |
| SHA256 | c406aba9676bd1624db08aa60acd6e65c39259a97bbb31b479ac0fec519d4df4 |
| SHA512 | e845dc46b1298eba2efb96d930a8c09b8f4745c50c7c3c31c0ecfd633b5c44487d30b361d56ad964ddb539a489faea797a9d7109db478e9004b99acc5e1415e5 |
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
| MD5 | 4581d8db596f027233f51dab3764d4b4 |
| SHA1 | b9de18c073f3e40e7fb56a7c2b99c1fff8e6750b |
| SHA256 | 5b156481362beac5abeb59112d90be64124dd70e3dffb6cc106323abf1b90b05 |
| SHA512 | 6e358404f57c391cee1e89f6026c2ae942ea411b09862c07e449fc4a2831454092e26bf1f471156584be3fe253775a805e6d6c1211d239e55ef46237d9889a2b |
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
| MD5 | 4581d8db596f027233f51dab3764d4b4 |
| SHA1 | b9de18c073f3e40e7fb56a7c2b99c1fff8e6750b |
| SHA256 | 5b156481362beac5abeb59112d90be64124dd70e3dffb6cc106323abf1b90b05 |
| SHA512 | 6e358404f57c391cee1e89f6026c2ae942ea411b09862c07e449fc4a2831454092e26bf1f471156584be3fe253775a805e6d6c1211d239e55ef46237d9889a2b |
memory/1908-18-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4248-21-0x0000000000650000-0x0000000000974000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ÓÎÏ·ÄÚ´æÊÍ·Å.exe
| MD5 | 90f02d102a066c61308c4007f7381349 |
| SHA1 | e7eff6d61d3516ad63d5d95cbd87d568b5a3fc09 |
| SHA256 | c406aba9676bd1624db08aa60acd6e65c39259a97bbb31b479ac0fec519d4df4 |
| SHA512 | e845dc46b1298eba2efb96d930a8c09b8f4745c50c7c3c31c0ecfd633b5c44487d30b361d56ad964ddb539a489faea797a9d7109db478e9004b99acc5e1415e5 |
memory/4248-23-0x00007FFF78C10000-0x00007FFF796D1000-memory.dmp
memory/4248-24-0x000000001B6E0000-0x000000001B6F0000-memory.dmp
memory/4248-25-0x000000001B940000-0x000000001B990000-memory.dmp
memory/4248-26-0x000000001BA50000-0x000000001BB02000-memory.dmp
memory/4248-29-0x000000001B910000-0x000000001B922000-memory.dmp
memory/4248-30-0x000000001B9D0000-0x000000001BA0C000-memory.dmp
memory/1908-31-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4248-33-0x00007FFF78C10000-0x00007FFF796D1000-memory.dmp
memory/4248-34-0x000000001B6E0000-0x000000001B6F0000-memory.dmp
memory/1908-39-0x0000000000400000-0x0000000000437000-memory.dmp