Analysis Overview
SHA256
424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126
Threat Level: Known bad
The file 424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126 was found to be: Known bad.
Malicious Activity Summary
FakeAV payload
FakeAV, RogueAntivirus
Fakeav family
UPX packed file
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Drops file in System32 directory
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-19 07:50
Signatures
FakeAV payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Fakeav family
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-19 07:50
Reported
2022-11-19 07:53
Platform
win7-20221111-en
Max time kernel
128s
Max time network
31s
Command Line
Signatures
FakeAV, RogueAntivirus
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\KeyGen.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.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\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.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\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| File created | C:\Windows\KeyGen.exe | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\KeyGen.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\KeyGen.exe | N/A |
| N/A | N/A | C:\Windows\KeyGen.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1256 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | C:\Windows\KeyGen.exe |
| PID 1256 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | C:\Windows\KeyGen.exe |
| PID 1256 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | C:\Windows\KeyGen.exe |
| PID 1256 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | C:\Windows\KeyGen.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe
"C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe"
C:\Windows\KeyGen.exe
"C:\Windows\KeyGen.exe"
Network
Files
memory/1256-54-0x0000000075F31000-0x0000000075F33000-memory.dmp
memory/1332-55-0x0000000000000000-mapping.dmp
C:\Windows\KeyGen.exe
| MD5 | e3c7d489013b51c671aa79c9068a2a00 |
| SHA1 | deed13e52afcc9fd2ef326fb6b0aa4bf7fcf14be |
| SHA256 | 5ea232ac5ebca4584f8689d5a1ed466404272a5c5496f41934537504368b5da2 |
| SHA512 | 18a31ffcc796d6352142374dc0e12d83b9b46d56069a5db26a38b0f6a133302f13d7064bfe9bc16e7a705aeeb2cec2d654863d92280a6085c8202a3c8096b240 |
memory/1256-57-0x0000000002D30000-0x0000000002D4F000-memory.dmp
memory/1256-58-0x0000000002D30000-0x0000000002D4F000-memory.dmp
memory/1332-59-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1332-60-0x0000000000400000-0x000000000041F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-19 07:50
Reported
2022-11-19 07:53
Platform
win10v2004-20220812-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
FakeAV, RogueAntivirus
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\KeyGen.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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.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\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.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\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
| File created | C:\Windows\KeyGen.exe | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\KeyGen.exe | N/A |
| N/A | N/A | C:\Windows\KeyGen.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3912 wrote to memory of 2620 | N/A | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | C:\Windows\KeyGen.exe |
| PID 3912 wrote to memory of 2620 | N/A | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | C:\Windows\KeyGen.exe |
| PID 3912 wrote to memory of 2620 | N/A | C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe | C:\Windows\KeyGen.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe
"C:\Users\Admin\AppData\Local\Temp\424d0b2802a71865ebacd2b5cfce5a995d766fa9e343e03d9251b96c5e520126.exe"
C:\Windows\KeyGen.exe
"C:\Windows\KeyGen.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 20.82.210.154:443 | tcp | |
| N/A | 13.107.21.200:443 | tcp | |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 204.79.197.239:443 | tcp | |
| N/A | 104.109.143.97:443 | tcp | |
| N/A | 204.79.197.203:443 | tcp | |
| N/A | 204.79.197.239:443 | tcp | |
| N/A | 23.73.0.144:443 | tcp | |
| N/A | 204.79.197.203:443 | tcp | |
| N/A | 52.109.8.44:443 | tcp | |
| N/A | 204.79.197.200:443 | tcp | |
| N/A | 13.107.42.16:443 | tcp | |
| N/A | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 104.46.162.224:443 | tcp | |
| N/A | 104.80.225.205:443 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 23.73.0.144:443 | tcp | |
| N/A | 204.79.197.239:443 | tcp | |
| N/A | 8.8.8.8:443 | tcp | |
| N/A | 8.8.8.8:443 | tcp |
Files
memory/2620-132-0x0000000000000000-mapping.dmp
C:\Windows\KeyGen.exe
| MD5 | e3c7d489013b51c671aa79c9068a2a00 |
| SHA1 | deed13e52afcc9fd2ef326fb6b0aa4bf7fcf14be |
| SHA256 | 5ea232ac5ebca4584f8689d5a1ed466404272a5c5496f41934537504368b5da2 |
| SHA512 | 18a31ffcc796d6352142374dc0e12d83b9b46d56069a5db26a38b0f6a133302f13d7064bfe9bc16e7a705aeeb2cec2d654863d92280a6085c8202a3c8096b240 |
C:\Windows\KeyGen.exe
| MD5 | e3c7d489013b51c671aa79c9068a2a00 |
| SHA1 | deed13e52afcc9fd2ef326fb6b0aa4bf7fcf14be |
| SHA256 | 5ea232ac5ebca4584f8689d5a1ed466404272a5c5496f41934537504368b5da2 |
| SHA512 | 18a31ffcc796d6352142374dc0e12d83b9b46d56069a5db26a38b0f6a133302f13d7064bfe9bc16e7a705aeeb2cec2d654863d92280a6085c8202a3c8096b240 |
memory/2620-135-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2620-136-0x0000000000400000-0x000000000041F000-memory.dmp