Analysis Overview
SHA256
544f2380e2d8c03f765bca1bc2e42a23fb884e433246154a6a48c8ea9ad73c00
Threat Level: Known bad
The file c7f2c28a5bcffb9d4ddcb0b0084a66bb was found to be: Known bad.
Malicious Activity Summary
Fakeav family
FakeAV, RogueAntivirus
FakeAV payload
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
2024-03-14 06:42
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
2024-03-14 06:42
Reported
2024-03-14 06:44
Platform
win7-20240221-en
Max time kernel
140s
Max time network
118s
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\c7f2c28a5bcffb9d4ddcb0b0084a66bb.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\c7f2c28a5bcffb9d4ddcb0b0084a66bb.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\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe
"C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe"
Network
Files
memory/1048-0-0x0000000000170000-0x0000000000171000-memory.dmp
memory/1048-5-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1048-7-0x0000000000170000-0x0000000000171000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 06:42
Reported
2024-03-14 06:45
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
152s
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\c7f2c28a5bcffb9d4ddcb0b0084a66bb.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\c7f2c28a5bcffb9d4ddcb0b0084a66bb.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\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\CSRLT.EXE | C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
| File opened for modification | C:\Windows\MSBLT.EXE | C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe
"C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
memory/5020-0-0x0000000002140000-0x0000000002141000-memory.dmp
memory/5020-5-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5020-7-0x0000000002140000-0x0000000002141000-memory.dmp