Analysis Overview
SHA256
804b088ee714bf7a63b004f7ec2260bd1956fa64fcb04481d2aece4cb88c2404
Threat Level: Known bad
The file 2dc7bd7d9226e036c6975ae3e5d74946_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
2023-10-12 01:58
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: behavioral2
Detonation Overview
Submitted
2023-10-12 01:58
Reported
2023-10-13 02:27
Platform
win10v2004-20230915-en
Max time kernel
155s
Max time network
155s
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\2dc7bd7d9226e036c6975ae3e5d74946_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\2dc7bd7d9226e036c6975ae3e5d74946_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\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_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\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe | N/A |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/632-0-0x0000000002110000-0x0000000002111000-memory.dmp
memory/632-5-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/632-6-0x0000000002110000-0x0000000002111000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-12 01:58
Reported
2023-10-13 02:28
Platform
win7-20230831-en
Max time kernel
143s
Max time network
123s
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\2dc7bd7d9226e036c6975ae3e5d74946_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\2dc7bd7d9226e036c6975ae3e5d74946_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\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_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\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe | N/A |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2dc7bd7d9226e036c6975ae3e5d74946_JC.exe"
Network
Files
memory/2184-0-0x0000000000170000-0x0000000000171000-memory.dmp
memory/2184-5-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2184-6-0x0000000000170000-0x0000000000171000-memory.dmp