Analysis Overview
SHA256
aee9d6522dc07d7e4454fb98190fdbe1befecd8dfc1ed0cec07dc59509100d9a
Threat Level: Known bad
The file 90cfe0ef71e872618262229519f6a6c7 was found to be: Known bad.
Malicious Activity Summary
SystemBC
Executes dropped EXE
Uses Tor communications
Looks up external IP address via web service
Drops file in Windows directory
Program crash
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 20:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-19 20:15
Reported
2023-12-20 10:17
Platform
win7-20231129-en
Max time kernel
143s
Max time network
144s
Command Line
Signatures
SystemBC
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\lmbnb\qxtqjcw.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip4.seeip.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Uses Tor communications
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\qxtqjcw.job | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe | N/A |
| File opened for modification | C:\Windows\Tasks\qxtqjcw.job | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2652 wrote to memory of 1668 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\lmbnb\qxtqjcw.exe |
| PID 2652 wrote to memory of 1668 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\lmbnb\qxtqjcw.exe |
| PID 2652 wrote to memory of 1668 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\lmbnb\qxtqjcw.exe |
| PID 2652 wrote to memory of 1668 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\lmbnb\qxtqjcw.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe
"C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {165CE59E-F756-4250-B8B5-E2824BAC0DB4} S-1-5-18:NT AUTHORITY\System:Service:
C:\ProgramData\lmbnb\qxtqjcw.exe
C:\ProgramData\lmbnb\qxtqjcw.exe start
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pzlkxadvert475.xyz | udp |
| US | 8.8.8.8:53 | pzfdmserv275.xyz | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 64.185.227.156:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | ip4.seeip.org | udp |
| US | 23.128.64.141:443 | ip4.seeip.org | tcp |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| BG | 185.82.217.49:9001 | tcp | |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| PL | 193.111.26.37:443 | tcp | |
| DE | 94.16.118.250:8443 | tcp | |
| DE | 62.224.3.184:9001 | tcp | |
| DE | 92.117.60.153:9001 | tcp | |
| JP | 133.242.146.78:9001 | tcp | |
| DE | 172.104.129.227:5200 | tcp | |
| RU | 185.22.174.119:9001 | tcp | |
| DE | 91.60.108.100:27777 | tcp | |
| PL | 185.241.208.172:443 | tcp | |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| US | 135.148.50.253:443 | tcp | |
| US | 172.241.23.114:443 | tcp | |
| SE | 70.34.222.94:6001 | tcp | |
| DE | 195.201.147.230:9001 | tcp | |
| DE | 79.133.56.51:13337 | tcp | |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| DE | 91.186.46.175:9001 | tcp | |
| US | 147.135.114.98:9001 | tcp | |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| US | 15.204.227.206:9000 | tcp | |
| RO | 176.119.203.63:443 | tcp | |
| PL | 93.95.88.13:9001 | tcp | |
| US | 50.24.145.71:9001 | tcp | |
| SG | 188.166.186.162:443 | tcp | |
| NL | 51.15.52.16:9001 | tcp | |
| DE | 87.106.158.48:443 | tcp | |
| CH | 84.226.16.207:9001 | tcp | |
| DE | 87.158.234.25:9001 | tcp | |
| AT | 46.124.80.72:9001 | tcp | |
| ES | 86.127.239.109:9001 | tcp | |
| CZ | 130.193.15.49:443 | tcp | |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| UA | 91.213.8.130:443 | tcp |
Files
memory/2544-1-0x0000000003430000-0x0000000003530000-memory.dmp
memory/2544-2-0x0000000000020000-0x0000000000029000-memory.dmp
memory/2544-3-0x0000000000400000-0x0000000003311000-memory.dmp
C:\ProgramData\lmbnb\qxtqjcw.exe
| MD5 | 90cfe0ef71e872618262229519f6a6c7 |
| SHA1 | 245565b890c9f721f91a994575b993f712ad72ed |
| SHA256 | aee9d6522dc07d7e4454fb98190fdbe1befecd8dfc1ed0cec07dc59509100d9a |
| SHA512 | 60fcfe7f4232b9a7200539b6724de659460ee0231c0fc090db691e3735fd03b976b7e76687b0c7e6e2aba36ebe450ee1ed06f1c06171b3d8e371b610ccbd1ad8 |
memory/1668-11-0x0000000003390000-0x0000000003490000-memory.dmp
memory/1668-12-0x0000000000400000-0x0000000003311000-memory.dmp
memory/2544-15-0x0000000003430000-0x0000000003530000-memory.dmp
memory/1668-18-0x0000000003390000-0x0000000003490000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 20:15
Reported
2023-12-20 10:18
Platform
win10v2004-20231215-en
Max time kernel
155s
Max time network
163s
Command Line
Signatures
SystemBC
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\ibwtn\llul.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Uses Tor communications
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\llul.job | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe | N/A |
| File opened for modification | C:\Windows\Tasks\llul.job | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe
"C:\Users\Admin\AppData\Local\Temp\90cfe0ef71e872618262229519f6a6c7.exe"
C:\ProgramData\ibwtn\llul.exe
C:\ProgramData\ibwtn\llul.exe start
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2688 -ip 2688
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 480
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 149.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.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 | pzlkxadvert475.xyz | udp |
| US | 8.8.8.8:53 | pzfdmserv275.xyz | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.237.62.212:443 | api.ipify.org | tcp |
| CA | 199.58.81.140:80 | 199.58.81.140 | tcp |
| US | 8.8.8.8:53 | 212.62.237.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.81.58.199.in-addr.arpa | udp |
| DE | 173.212.231.228:9001 | tcp | |
| US | 8.8.8.8:53 | 228.231.212.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| US | 15.204.227.206:9200 | tcp | |
| US | 8.8.8.8:53 | 244.244.23.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.227.204.15.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.143.182.52.in-addr.arpa | udp |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| GB | 140.238.100.207:9001 | tcp | |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| TW | 118.160.65.108:5423 | tcp | |
| US | 8.8.8.8:53 | 207.100.238.140.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.65.160.118.in-addr.arpa | udp |
| DE | 193.23.244.244:80 | 193.23.244.244 | tcp |
| BR | 140.238.182.248:9001 | tcp | |
| US | 8.8.8.8:53 | 248.182.238.140.in-addr.arpa | udp |
Files
memory/2688-1-0x0000000003330000-0x0000000003430000-memory.dmp
memory/2688-2-0x0000000003320000-0x0000000003329000-memory.dmp
memory/2688-3-0x0000000000400000-0x0000000003311000-memory.dmp
C:\ProgramData\ibwtn\llul.exe
| MD5 | 90cfe0ef71e872618262229519f6a6c7 |
| SHA1 | 245565b890c9f721f91a994575b993f712ad72ed |
| SHA256 | aee9d6522dc07d7e4454fb98190fdbe1befecd8dfc1ed0cec07dc59509100d9a |
| SHA512 | 60fcfe7f4232b9a7200539b6724de659460ee0231c0fc090db691e3735fd03b976b7e76687b0c7e6e2aba36ebe450ee1ed06f1c06171b3d8e371b610ccbd1ad8 |
memory/1436-11-0x0000000003450000-0x0000000003550000-memory.dmp
memory/1436-12-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/1436-13-0x0000000000400000-0x0000000003311000-memory.dmp
memory/2688-14-0x0000000003330000-0x0000000003430000-memory.dmp
memory/1436-19-0x0000000003450000-0x0000000003550000-memory.dmp