Analysis Overview
SHA256
909f24439bd05c10854c952af9e1509d4d2e9d1cd99d212de1efe2a79c12bf16
Threat Level: Known bad
The file 5b0255dcb1e9a2b9fd0a0f2a2bce2920N.exe was found to be: Known bad.
Malicious Activity Summary
Dridex
Dridex Loader
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-16 07:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-16 07:05
Reported
2024-08-16 07:07
Platform
win7-20240729-en
Max time kernel
110s
Max time network
17s
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 |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 220
Network
Files
memory/2516-0-0x0000000000100000-0x0000000000106000-memory.dmp
memory/2516-1-0x0000000074CE0000-0x0000000074D0F000-memory.dmp
memory/2516-3-0x0000000000100000-0x0000000000106000-memory.dmp
memory/2516-2-0x0000000074CE0000-0x0000000074D0F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-16 07:05
Reported
2024-08-16 07:07
Platform
win10v2004-20240802-en
Max time kernel
104s
Max time network
105s
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 |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4512 wrote to memory of 3580 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4512 wrote to memory of 3580 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4512 wrote to memory of 3580 | 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\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3580 -ip 3580
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 624
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 95.100.245.144:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 144.245.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/3580-0-0x0000000074A80000-0x0000000074AAF000-memory.dmp
memory/3580-2-0x00000000010A0000-0x00000000010A6000-memory.dmp
memory/3580-3-0x0000000074A80000-0x0000000074AAF000-memory.dmp