Analysis Overview
SHA256
f52beed1ca842d704ac58e08a1e7daab0f528174fc37e56daf2ca3d76b8728e3
Threat Level: Known bad
The file aa5883c31754f3eeeb53daddf700ce15 was found to be: Known bad.
Malicious Activity Summary
Bazar Loader
Bazar/Team9 Loader payload
Blocklisted process makes network request
Tries to connect to .bazar domain
Unexpected DNS network traffic destination
Unsigned PE
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-19 21:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-19 21:44
Reported
2023-12-20 17:20
Platform
win7-20231215-en
Max time kernel
147s
Max time network
152s
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 |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa5883c31754f3eeeb53daddf700ce15.dll,#1
Network
| Country | Destination | Domain | Proto |
| DE | 104.248.16.136:443 | tcp | |
| DE | 104.248.16.136:443 | tcp | |
| DE | 164.90.223.38:443 | tcp | |
| DE | 164.90.223.38:443 | tcp |
Files
memory/1964-0-0x0000000000390000-0x00000000003BA000-memory.dmp
memory/1964-1-0x0000000000390000-0x00000000003BA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 21:44
Reported
2023-12-20 17:19
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
151s
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 |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Tries to connect to .bazar domain
| Description | Indicator | Process | Target |
| N/A | reddew28c.bazar | N/A | N/A |
| N/A | bluehail.bazar | N/A | N/A |
| N/A | blackrain15.bazar | N/A | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 134.195.4.2 | N/A | N/A |
| Destination IP | 134.195.4.2 | N/A | N/A |
| Destination IP | 134.195.4.2 | N/A | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa5883c31754f3eeeb53daddf700ce15.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 148.177.190.20.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 | 207.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.110.18.2.in-addr.arpa | udp |
| DE | 104.248.16.136:443 | tcp | |
| DE | 164.90.223.38:443 | tcp | |
| US | 8.8.8.8:53 | 61.179.17.96.in-addr.arpa | udp |
| DE | 164.90.223.1:443 | tcp | |
| DE | 164.90.223.13:443 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 134.195.4.2:53 | blackrain15.bazar | udp |
| PA | 186.73.40.224:443 | tcp | |
| US | 8.8.8.8:53 | 2.4.195.134.in-addr.arpa | udp |
| US | 134.195.4.2:53 | reddew28c.bazar | udp |
| PA | 186.73.40.224:443 | tcp | |
| US | 134.195.4.2:53 | bluehail.bazar | udp |
| PA | 186.73.40.224:443 | tcp | |
| FR | 2.18.110.57:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 138.91.171.81:80 | tcp |
Files
memory/3420-0-0x00000245EE750000-0x00000245EE77A000-memory.dmp
memory/3420-1-0x00000245EE750000-0x00000245EE77A000-memory.dmp