Analysis Overview
SHA256
30c8500aa55e5a6cc42a2675c76feff1fe6dbe8e9f99543c9ae7e97a5be1b0d9
Threat Level: Known bad
The file 8026fc38afee1976c4d74ce9943494ab was found to be: Known bad.
Malicious Activity Summary
Trickbot
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-01-29 15:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-29 15:11
Reported
2024-01-29 15:13
Platform
win7-20231129-en
Max time kernel
133s
Max time network
144s
Command Line
Signatures
Trickbot
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wermgr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.dll
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
Network
| Country | Destination | Domain | Proto |
| PL | 178.216.28.59:443 | tcp | |
| BR | 186.225.119.170:443 | tcp | |
| BR | 177.10.90.29:443 | tcp | |
| KR | 220.82.64.198:443 | tcp | |
| IT | 185.17.105.236:443 | tcp | |
| VN | 14.232.161.45:443 | tcp |
Files
memory/2816-1-0x0000000000210000-0x0000000000248000-memory.dmp
memory/2816-0-0x0000000000280000-0x00000000002BB000-memory.dmp
memory/2816-5-0x0000000000310000-0x0000000000349000-memory.dmp
memory/2816-8-0x0000000002430000-0x0000000002467000-memory.dmp
memory/2816-11-0x0000000002470000-0x00000000024B0000-memory.dmp
memory/2816-12-0x0000000000250000-0x0000000000253000-memory.dmp
memory/2516-13-0x0000000000110000-0x0000000000111000-memory.dmp
memory/2516-14-0x0000000000060000-0x0000000000088000-memory.dmp
memory/2816-15-0x0000000002470000-0x00000000024B0000-memory.dmp
memory/2816-16-0x0000000000250000-0x0000000000253000-memory.dmp
memory/2516-17-0x0000000000060000-0x0000000000088000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-29 15:11
Reported
2024-01-29 15:13
Platform
win10v2004-20231215-en
Max time kernel
140s
Max time network
149s
Command Line
Signatures
Trickbot
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\regsvr32.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wermgr.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2496 wrote to memory of 4288 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2496 wrote to memory of 4288 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2496 wrote to memory of 4288 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4288 wrote to memory of 2416 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 4288 wrote to memory of 2416 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 4288 wrote to memory of 2416 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 4288 wrote to memory of 2416 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.dll
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4288 -ip 4288
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 692
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| VN | 14.232.161.45:443 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.135.221.88.in-addr.arpa | udp |
| ZA | 41.57.156.203:443 | tcp | |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| KR | 119.202.8.249:443 | tcp | |
| PL | 91.237.161.87:443 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| BR | 45.239.233.131:443 | tcp | |
| BR | 45.239.234.2:443 | tcp | |
| BR | 186.225.119.170:443 | tcp |
Files
memory/4288-0-0x0000000002A90000-0x0000000002ACB000-memory.dmp
memory/4288-3-0x0000000002910000-0x0000000002948000-memory.dmp
memory/4288-5-0x0000000002AD0000-0x0000000002B09000-memory.dmp
memory/4288-8-0x0000000002B10000-0x0000000002B47000-memory.dmp
memory/4288-11-0x0000000002B50000-0x0000000002B90000-memory.dmp
memory/4288-12-0x0000000002A70000-0x0000000002A71000-memory.dmp
memory/4288-13-0x0000000002A50000-0x0000000002A53000-memory.dmp
memory/2416-14-0x000001D62EC80000-0x000001D62EC81000-memory.dmp
memory/2416-15-0x000001D62EBB0000-0x000001D62EBD8000-memory.dmp
memory/4288-16-0x0000000002B50000-0x0000000002B90000-memory.dmp
memory/2416-17-0x000001D62EBB0000-0x000001D62EBD8000-memory.dmp