Analysis Overview
SHA256
a1dd74d7301bf8d504449071142c81113bcd4d0c88fee46e7bacf550495a72bc
Threat Level: Known bad
The file 87936f0b8f079c7f722ab91029cc3f8a was found to be: Known bad.
Malicious Activity Summary
Trickbot
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-01 18:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-01 18:25
Reported
2024-02-01 18:28
Platform
win7-20231215-en
Max time kernel
147s
Max time network
154s
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\87936f0b8f079c7f722ab91029cc3f8a.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\87936f0b8f079c7f722ab91029cc3f8a.dll
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
Network
| Country | Destination | Domain | Proto |
| VN | 14.232.161.45:443 | tcp | |
| PL | 91.237.161.87:443 | tcp | |
| IN | 103.122.228.44:443 | tcp | |
| BR | 177.10.90.29:443 | tcp | |
| BR | 200.236.218.62:443 | tcp | |
| TR | 185.189.55.207:443 | tcp | |
| IT | 185.17.105.236:443 | tcp | |
| BR | 143.0.208.20:443 | tcp |
Files
memory/2208-0-0x00000000020D0000-0x000000000232D000-memory.dmp
memory/2208-1-0x00000000001D0000-0x0000000000210000-memory.dmp
memory/2208-2-0x0000000010000000-0x0000000010003000-memory.dmp
memory/2060-4-0x00000000000A0000-0x00000000000A1000-memory.dmp
memory/2060-3-0x0000000000060000-0x0000000000088000-memory.dmp
memory/2208-5-0x00000000001D0000-0x0000000000210000-memory.dmp
memory/2208-6-0x0000000010000000-0x0000000010003000-memory.dmp
memory/2060-7-0x0000000000060000-0x0000000000088000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-01 18:25
Reported
2024-02-01 18:28
Platform
win10v2004-20231222-en
Max time kernel
135s
Max time network
144s
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 3808 wrote to memory of 3412 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3808 wrote to memory of 3412 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3808 wrote to memory of 3412 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3412 wrote to memory of 4940 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 3412 wrote to memory of 4940 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 3412 wrote to memory of 4940 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 3412 wrote to memory of 4940 | 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\87936f0b8f079c7f722ab91029cc3f8a.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\87936f0b8f079c7f722ab91029cc3f8a.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 3412 -ip 3412
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 632
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| ZA | 41.57.156.203:443 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.160.77.104.in-addr.arpa | udp |
| BR | 45.239.234.2:443 | tcp | |
| US | 8.8.8.8:53 | 193.178.17.96.in-addr.arpa | udp |
| TR | 185.189.55.207:443 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| TH | 118.173.233.64:443 | tcp | |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| PL | 91.237.161.87:443 | tcp | |
| BR | 177.10.90.29:443 | tcp | |
| BR | 200.236.218.62:443 | tcp | |
| VN | 14.232.161.45:443 | tcp |
Files
memory/3412-0-0x0000000002CA0000-0x0000000002EFD000-memory.dmp
memory/3412-1-0x0000000002BE0000-0x0000000002C20000-memory.dmp
memory/3412-2-0x00000000012E0000-0x00000000012E1000-memory.dmp
memory/3412-3-0x0000000010000000-0x0000000010003000-memory.dmp
memory/4940-4-0x000002247BFF0000-0x000002247BFF1000-memory.dmp
memory/4940-5-0x000002247BD40000-0x000002247BD68000-memory.dmp
memory/3412-6-0x0000000002BE0000-0x0000000002C20000-memory.dmp
memory/4940-7-0x000002247BD40000-0x000002247BD68000-memory.dmp