Analysis Overview
SHA256
1ef3c50af23d5d9d98c27c12eeee05f026d0147e7c5f162c2bc9cf28783b457a
Threat Level: Known bad
The file 388aa9feb123c52cad7f72d99f0d16fc 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
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious use of WriteProcessMemory
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-31 13:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-31 13:45
Reported
2024-01-05 09:59
Platform
win7-20231215-en
Max time kernel
143s
Max time network
137s
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 |
Runs ping.exe
| Description | Indicator | Process | Target |
| 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 use of WriteProcessMemory
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\388aa9feb123c52cad7f72d99f0d16fc.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\388aa9feb123c52cad7f72d99f0d16fc.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\388aa9feb123c52cad7f72d99f0d16fc.dll" mscp ahis
Network
Files
memory/1684-0-0x0000000001E60000-0x0000000001EC4000-memory.dmp
memory/1684-1-0x000007FEF6130000-0x000007FEF62D2000-memory.dmp
memory/1684-6-0x000007FEF6130000-0x000007FEF62D2000-memory.dmp
memory/1684-7-0x0000000001E60000-0x0000000001EC4000-memory.dmp
memory/1952-8-0x0000000001E80000-0x0000000001EE4000-memory.dmp
memory/1952-9-0x000007FEF5F80000-0x000007FEF6122000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-31 13:45
Reported
2024-01-05 10:04
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
150s
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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RealtechUpdate = "\"C:\\Windows\\system32\\regsvr32.exe\" /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Damp\\kgurjdi.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: 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
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\388aa9feb123c52cad7f72d99f0d16fc.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\388aa9feb123c52cad7f72d99f0d16fc.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\388aa9feb123c52cad7f72d99f0d16fc.dll" mscp ahis
C:\Windows\system32\cmd.exe
cmd.exe /c echo %temp%
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\kgurjdi.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\kgurjdi.exe" mscp arih & exit
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\kgurjdi.exe\" mscp arih"
C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 22.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.110.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | udp | |
| FR | 2.18.110.57:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 20.231.121.79:80 | tcp |
Files
memory/2732-0-0x00000000282C0000-0x0000000028324000-memory.dmp
memory/2732-1-0x00007FFA9BEA0000-0x00007FFA9C042000-memory.dmp
memory/2732-7-0x00007FFA9BEA0000-0x00007FFA9C042000-memory.dmp
memory/2732-8-0x00000000282C0000-0x0000000028324000-memory.dmp
memory/1516-9-0x00000000282D0000-0x0000000028334000-memory.dmp
memory/1516-10-0x00007FFA9BEA0000-0x00007FFA9C042000-memory.dmp
memory/1516-18-0x00007FFA9BEA0000-0x00007FFA9C042000-memory.dmp
memory/1516-19-0x00000000282D0000-0x0000000028334000-memory.dmp