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
Adds Run key to start application
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
2023-12-25 12:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-25 12:42
Reported
2023-12-28 08:02
Platform
win7-20231215-en
Max time kernel
150s
Max time network
141s
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 |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\RealtechUpdate = "\"C:\\Windows\\system32\\regsvr32.exe\" /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Damp\\gndrvwlsps.exe\" mscp arih" | C:\Windows\system32\reg.exe | 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 |
| 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\cmd.exe
cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\gndrvwlsps.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\gndrvwlsps.exe\" mscp arih"
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\gndrvwlsps.exe\" mscp arih"
C:\Windows\system32\regsvr32.exe
"C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\gndrvwlsps.exe" mscp arih
Network
Files
memory/2484-0-0x0000000027280000-0x00000000272E4000-memory.dmp
memory/2484-1-0x000007FEF6720000-0x000007FEF68C2000-memory.dmp
memory/2484-7-0x000007FEF6720000-0x000007FEF68C2000-memory.dmp
memory/2484-8-0x0000000027280000-0x00000000272E4000-memory.dmp
memory/2972-9-0x0000000027270000-0x00000000272D4000-memory.dmp
memory/2972-10-0x000007FEF5E40000-0x000007FEF5FE2000-memory.dmp
memory/2972-17-0x000007FEF5E40000-0x000007FEF5FE2000-memory.dmp
memory/2972-18-0x0000000027270000-0x00000000272D4000-memory.dmp
\Users\Admin\AppData\Local\Temp\Damp\gndrvwlsps.exe
| MD5 | 18c9c5e47291dc21a5b6a895a0c17dd5 |
| SHA1 | e853f4190362a78cf5c17d48174136b0236105f6 |
| SHA256 | 8e969c46089edb69ec706fb2f476e24765ccd5227e19216b6391580dbc778a94 |
| SHA512 | e35e9513bc306df1afb8cd3fd716f34399c282e6b636c1031b5f9a9693baa6ad221b2371276a79ed1eae6b8466f3555abde4a569b364928f64c8f66720697c81 |
C:\Users\Admin\AppData\Local\Temp\Damp\gndrvwlsps.exe
| MD5 | c546959c0164fd61640f4e3b58e109b2 |
| SHA1 | 50931075fa8765ad5bec2afb68ae2a1a073a06f2 |
| SHA256 | 4030f8da4d3d5ff6f12997a429b47f41815e1a50474c247af0bfe227ea0e492e |
| SHA512 | 963c733b82aeab6882249b367806d519df646275dd470f168423e658fe7e63c38a2531397719c821391a1278c3a9c3ab5668f3b7289a47cf5091dcb13556b287 |
memory/1344-21-0x0000000001CD0000-0x0000000001D34000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-25 12:42
Reported
2023-12-28 08:01
Platform
win10v2004-20231215-en
Max time kernel
148s
Max time network
46s
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 |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4864 wrote to memory of 544 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
| PID 4864 wrote to memory of 544 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
| PID 544 wrote to memory of 4324 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 544 wrote to memory of 4324 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 544 wrote to memory of 4784 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\regsvr32.exe |
| PID 544 wrote to memory of 4784 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\regsvr32.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
Network
| Country | Destination | Domain | Proto |
| 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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 148.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.54.110.119:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| GB | 87.248.205.0:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 87.248.205.0:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| GB | 88.221.135.211:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| GB | 87.248.205.0:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.16.110.114:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.142.223.178:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.199.58.43:443 | tcp | |
| N/A | 20.199.58.43:443 | tcp | |
| N/A | 20.199.58.43:443 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 88.221.134.18:80 | tcp | |
| N/A | 88.221.134.18:80 | tcp | |
| N/A | 88.221.134.18:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| N/A | 88.221.134.18:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 88.221.134.18:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| N/A | 88.221.134.18:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 88.221.135.211:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| N/A | 20.199.58.43:443 | tcp | |
| N/A | 20.199.58.43:443 | tcp | |
| N/A | 88.221.134.18:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 88.221.135.217:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| 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 | 204.79.197.200:443 | tcp | |
| GB | 96.16.110.114:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| N/A | 52.142.223.178:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 88.221.135.217:80 | tcp | |
| N/A | 88.221.135.217:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| N/A | 88.221.135.217:80 | tcp | |
| N/A | 88.221.135.217:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| N/A | 88.221.135.217:80 | tcp | |
| N/A | 88.221.135.217:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.231.121.79:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp |
Files
memory/4864-0-0x0000000027FC0000-0x0000000028024000-memory.dmp
memory/4864-1-0x00007FFE69250000-0x00007FFE693F2000-memory.dmp
memory/4864-11-0x0000000027FC0000-0x0000000028024000-memory.dmp
memory/4864-10-0x00007FFE69250000-0x00007FFE693F2000-memory.dmp
memory/4784-12-0x00000000277C0000-0x0000000027824000-memory.dmp
memory/4784-13-0x00007FFE59AD0000-0x00007FFE59C72000-memory.dmp