Analysis Overview
SHA256
aee116011409a5bec7d356bd8f704df0a361fb029bf20178d49e02607798d9a1
Threat Level: Known bad
The file 1f45bcf1fb8b7ef74a57d19a371f41cf was found to be: Known bad.
Malicious Activity Summary
Bazar Loader
Bazar/Team9 Loader payload
Unsigned PE
Modifies registry key
Runs ping.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-30 23:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-30 23:01
Reported
2024-01-04 18:49
Platform
win7-20231129-en
Max time kernel
146s
Max time network
121s
Command Line
Signatures
Bazar Loader
Bazar/Team9 Loader 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: CmdExeWriteProcessMemorySpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll
C:\Windows\system32\cmd.exe
cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll" mscp ahis & exit
C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
C:\Windows\system32\regsvr32.exe
"C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll" mscp ahis
C:\Windows\system32\cmd.exe
cmd.exe /c echo %temp%
C:\Windows\system32\reg.exe
reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\lrmeihkpubjk.exe\" mscp arih"
C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
C:\Windows\system32\cmd.exe
cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\lrmeihkpubjk.exe" mscp arih & exit
C:\Windows\system32\cmd.exe
cmd.exe /c reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\lrmeihkpubjk.exe\" mscp arih"
Network
Files
memory/2928-0-0x0000000027700000-0x0000000027764000-memory.dmp
memory/2928-1-0x000007FEF6CC0000-0x000007FEF6E62000-memory.dmp
memory/2928-10-0x0000000027700000-0x0000000027764000-memory.dmp
memory/2928-9-0x000007FEF6CC0000-0x000007FEF6E62000-memory.dmp
memory/2696-11-0x0000000027660000-0x00000000276C4000-memory.dmp
memory/2696-12-0x000007FEF63E0000-0x000007FEF6582000-memory.dmp
memory/2696-19-0x0000000027660000-0x00000000276C4000-memory.dmp
memory/2696-18-0x000007FEF63E0000-0x000007FEF6582000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-30 23:01
Reported
2024-01-04 18:50
Platform
win10v2004-20231222-en
Max time kernel
147s
Max time network
147s
Command Line
Signatures
Bazar Loader
Bazar/Team9 Loader 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 |
| 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 |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2332 wrote to memory of 208 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
| PID 2332 wrote to memory of 208 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
| PID 208 wrote to memory of 4936 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 208 wrote to memory of 4936 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 208 wrote to memory of 1960 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\regsvr32.exe |
| PID 208 wrote to memory of 1960 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\regsvr32.exe |
| PID 1960 wrote to memory of 2268 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
| PID 1960 wrote to memory of 2268 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll
C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
C:\Windows\system32\cmd.exe
cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll" mscp ahis & exit
C:\Windows\system32\regsvr32.exe
"C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll" mscp ahis
C:\Windows\system32\cmd.exe
cmd.exe /c echo %temp%
C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
C:\Windows\system32\reg.exe
reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\ahlucfl.exe\" mscp arih"
C:\Windows\system32\cmd.exe
cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\ahlucfl.exe" mscp arih & exit
C:\Windows\system32\cmd.exe
cmd.exe /c reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\ahlucfl.exe\" mscp arih"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 16.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| GB | 88.221.135.83:80 | tcp | |
| GB | 88.221.135.83:80 | tcp | |
| GB | 88.221.135.83:80 | tcp | |
| US | 8.8.8.8:53 | 219.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 88.221.135.219:80 | tcp | |
| GB | 88.221.135.219:80 | tcp | |
| US | 8.8.8.8:53 | 27.178.89.13.in-addr.arpa | udp |
| GB | 88.221.135.219:80 | tcp |
Files
memory/2332-0-0x0000000027AF0000-0x0000000027B54000-memory.dmp
memory/2332-1-0x00007FF846370000-0x00007FF846512000-memory.dmp
memory/2332-9-0x00007FF846370000-0x00007FF846512000-memory.dmp
memory/2332-10-0x0000000027AF0000-0x0000000027B54000-memory.dmp
memory/1960-11-0x0000000027BC0000-0x0000000027C24000-memory.dmp
memory/1960-12-0x00007FF846370000-0x00007FF846512000-memory.dmp
memory/1960-17-0x00007FF846370000-0x00007FF846512000-memory.dmp
memory/1960-18-0x0000000027BC0000-0x0000000027C24000-memory.dmp