Analysis Overview
SHA256
2bc93ff34de7019410fb251d7dcfeb731795e8375402eca5a526dbe1ffbb6f04
Threat Level: Known bad
The file 52f7a51c10ed1af473b8e49753b1a776 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
2023-12-26 04:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 04:08
Reported
2024-01-02 21:19
Platform
win7-20231215-en
Max time kernel
132s
Max time network
143s
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 |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\52f7a51c10ed1af473b8e49753b1a776.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 18.237.101.6:443 | tcp | |
| US | 18.237.101.6:443 | tcp | |
| US | 34.214.86.190:443 | tcp | |
| US | 34.214.86.190:443 | tcp | |
| RO | 89.41.182.36:443 | tcp | |
| RO | 89.41.182.36:443 | tcp | |
| NZ | 185.99.133.101:443 | tcp | |
| NZ | 185.99.133.101:443 | tcp |
Files
memory/2024-0-0x0000000001C30000-0x0000000001E2A000-memory.dmp
memory/2024-1-0x0000000001C30000-0x0000000001E2A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 04:08
Reported
2024-01-02 21:19
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
154s
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 | greencloud46a.bazar | N/A | N/A |
| N/A | whitestorm9p.bazar | N/A | N/A |
| N/A | yellowdownpour81.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\52f7a51c10ed1af473b8e49753b1a776.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.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 | 68.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 18.237.101.6:443 | tcp | |
| 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 34.214.86.190:443 | tcp | |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| RO | 89.41.182.36:443 | tcp | |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| PH | 23.37.1.217:80 | www.microsoft.com | tcp |
| PH | 23.37.1.217:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 217.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| NZ | 185.99.133.101:443 | tcp | |
| US | 134.195.4.2:53 | greencloud46a.bazar | udp |
| PA | 186.73.40.224:443 | tcp | |
| US | 8.8.8.8:53 | 2.4.195.134.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 134.195.4.2:53 | whitestorm9p.bazar | udp |
| PA | 186.73.40.224:443 | tcp | |
| US | 8.8.8.8:53 | 57.110.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 134.195.4.2:53 | yellowdownpour81.bazar | udp |
| PA | 186.73.40.224:443 | tcp | |
| 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 | 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 | 32.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 151.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.73.42.20.in-addr.arpa | udp |
Files
memory/3888-0-0x00000234A9DF0000-0x00000234A9FEA000-memory.dmp
memory/3888-1-0x00000234A9DF0000-0x00000234A9FEA000-memory.dmp