Analysis Overview
SHA256
d8d318abb4daca458340003558695f4fe7a340393e14391e498ce3151d7e5c50
Threat Level: Known bad
The file b120b488d9e15ba792f7e4b43c3cf767 was found to be: Known bad.
Malicious Activity Summary
Dridex
Dridex Loader
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-04 03:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-04 03:39
Reported
2024-03-04 03:42
Platform
win10v2004-20240226-en
Max time kernel
115s
Max time network
144s
Command Line
Signatures
Dridex
Dridex Loader
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4836 wrote to memory of 4580 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4836 wrote to memory of 4580 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4836 wrote to memory of 4580 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4580 -ip 4580
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 692
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4000 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| GB | 142.250.200.10:443 | tcp | |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
Files
memory/4580-0-0x00000000757E0000-0x0000000075810000-memory.dmp
memory/4580-1-0x0000000001150000-0x0000000001156000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-04 03:39
Reported
2024-03-04 03:42
Platform
win7-20240221-en
Max time kernel
141s
Max time network
121s
Command Line
Signatures
Dridex
Dridex Loader
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 308
Network
Files
memory/2200-0-0x00000000750A0000-0x00000000750D0000-memory.dmp
memory/2200-1-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/2200-2-0x00000000750A0000-0x00000000750D0000-memory.dmp