Analysis Overview
SHA256
dfd2ffc13ec0558e90566399111e3146909e74dceeef27abf05e6845ada7b0cf
Threat Level: Known bad
The file fb07296696475edb8d777947ca61734a_JC.exe was found to be: Known bad.
Malicious Activity Summary
FakeAV payload
Fakeav family
FakeAV, RogueAntivirus
FakeAV payload
Adds Run key to start application
Drops file in System32 directory
Drops file in Windows directory
Unsigned PE
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-26 17:37
Signatures
FakeAV payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Fakeav family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-26 17:37
Reported
2023-09-26 17:40
Platform
win7-20230831-en
Max time kernel
142s
Max time network
124s
Command Line
Signatures
FakeAV, RogueAntivirus
FakeAV payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
| File created | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe"
Network
Files
memory/2340-0-0x0000000000170000-0x0000000000171000-memory.dmp
memory/2340-5-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2340-6-0x0000000000170000-0x0000000000171000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-26 17:37
Reported
2023-09-26 17:40
Platform
win10v2004-20230915-en
Max time kernel
147s
Max time network
153s
Command Line
Signatures
FakeAV, RogueAntivirus
FakeAV payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fb07296696475edb8d777947ca61734a_JC.exe"
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 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 155.245.36.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 135.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.179.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.177.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.24.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.201.50.20.in-addr.arpa | udp |
Files
memory/3956-0-0x0000000001F20000-0x0000000001F21000-memory.dmp
memory/3956-5-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3956-6-0x0000000001F20000-0x0000000001F21000-memory.dmp