Analysis Overview
SHA256
3d79223bb6c2312eac6e0902d3c295a557b12e5f814fbe9478e177fa585318af
Threat Level: Known bad
The file 88791b1ba039dd5841015cd08799ed3d was found to be: Known bad.
Malicious Activity Summary
Trickbot
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-02 03:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-02 03:48
Reported
2024-02-02 03:51
Platform
win7-20231215-en
Max time kernel
148s
Max time network
149s
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\88791b1ba039dd5841015cd08799ed3d.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\88791b1ba039dd5841015cd08799ed3d.dll
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
Network
| Country | Destination | Domain | Proto |
| ES | 82.159.149.37:443 | tcp | |
| BR | 177.10.90.29:443 | tcp | |
| IT | 185.17.105.236:443 | tcp | |
| BR | 200.236.218.62:443 | tcp | |
| VN | 14.232.161.45:443 | tcp | |
| BR | 45.239.234.2:443 | tcp | |
| BR | 186.225.119.170:443 | tcp |
Files
memory/2312-1-0x00000000001D0000-0x000000000020F000-memory.dmp
memory/2312-0-0x00000000001D0000-0x000000000020F000-memory.dmp
memory/2312-2-0x0000000010000000-0x0000000010003000-memory.dmp
memory/2304-3-0x0000000000110000-0x0000000000111000-memory.dmp
memory/2304-4-0x0000000000060000-0x0000000000088000-memory.dmp
memory/2312-5-0x00000000001D0000-0x000000000020F000-memory.dmp
memory/2304-7-0x0000000000060000-0x0000000000088000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-02 03:48
Reported
2024-02-02 03:51
Platform
win10v2004-20231222-en
Max time kernel
141s
Max time network
150s
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 3572 wrote to memory of 1896 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3572 wrote to memory of 1896 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3572 wrote to memory of 1896 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1896 wrote to memory of 4840 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 1896 wrote to memory of 4840 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 1896 wrote to memory of 4840 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\system32\wermgr.exe |
| PID 1896 wrote to memory of 4840 | 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\88791b1ba039dd5841015cd08799ed3d.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\88791b1ba039dd5841015cd08799ed3d.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 1896 -ip 1896
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 648
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| ID | 222.124.16.74:443 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| ES | 82.159.149.37:443 | tcp | |
| TR | 185.189.55.207:443 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| IT | 185.17.105.236:443 | tcp | |
| ZA | 105.30.26.50:443 | tcp | |
| PL | 178.216.28.59:443 | tcp |
Files
memory/1896-0-0x0000000002300000-0x000000000233F000-memory.dmp
memory/1896-1-0x0000000002300000-0x000000000233F000-memory.dmp
memory/1896-3-0x0000000010000000-0x0000000010003000-memory.dmp
memory/1896-2-0x0000000002360000-0x0000000002361000-memory.dmp
memory/4840-5-0x0000020E26E70000-0x0000020E26E98000-memory.dmp
memory/4840-4-0x0000020E26FD0000-0x0000020E26FD1000-memory.dmp
memory/1896-6-0x0000000002300000-0x000000000233F000-memory.dmp
memory/4840-7-0x0000020E26E70000-0x0000020E26E98000-memory.dmp