Analysis Overview
SHA256
70950fcb136697f2cc9dc560d6beeaff157bb2e504c612a04abba3315392f23d
Threat Level: Known bad
The file 3420758037f4cdbcb617eddc5b353ec7 was found to be: Known bad.
Malicious Activity Summary
Dridex
Dridex Shellcode
Drops startup file
Executes dropped EXE
Loads dropped DLL
Checks whether UAC is enabled
Adds Run key to start application
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-31 11:22
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-31 11:22
Reported
2024-01-04 09:29
Platform
win10v2004-20231215-en
Max time kernel
28s
Max time network
171s
Command Line
Signatures
Dridex
Dridex Shellcode
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8Pw9mnE | N/A | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8Pw9mnE\DUI70.dll | N/A | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8Pw9mnE\wlrmdr.exe | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\uhY\PresentationSettings.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Df2Zi8s7G\FileHistory.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\gmS\wlrmdr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\uhY\PresentationSettings.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Df2Zi8s7G\FileHistory.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\gmS\wlrmdr.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ddiqrdu = "C:\\Users\\Admin\\AppData\\Roaming\\Sun\\Java\\Deployment\\gAr\\FileHistory.exe" | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\system32\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\uhY\PresentationSettings.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Df2Zi8s7G\FileHistory.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\gmS\wlrmdr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
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Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3520 wrote to memory of 1416 | N/A | N/A | C:\Windows\system32\PresentationSettings.exe |
| PID 3520 wrote to memory of 1416 | N/A | N/A | C:\Windows\system32\PresentationSettings.exe |
| PID 3520 wrote to memory of 1648 | N/A | N/A | C:\Users\Admin\AppData\Local\uhY\PresentationSettings.exe |
| PID 3520 wrote to memory of 1648 | N/A | N/A | C:\Users\Admin\AppData\Local\uhY\PresentationSettings.exe |
| PID 3520 wrote to memory of 1360 | N/A | N/A | C:\Windows\system32\FileHistory.exe |
| PID 3520 wrote to memory of 1360 | N/A | N/A | C:\Windows\system32\FileHistory.exe |
| PID 3520 wrote to memory of 1492 | N/A | N/A | C:\Users\Admin\AppData\Local\Df2Zi8s7G\FileHistory.exe |
| PID 3520 wrote to memory of 1492 | N/A | N/A | C:\Users\Admin\AppData\Local\Df2Zi8s7G\FileHistory.exe |
| PID 3520 wrote to memory of 3532 | N/A | N/A | C:\Windows\system32\wlrmdr.exe |
| PID 3520 wrote to memory of 3532 | N/A | N/A | C:\Windows\system32\wlrmdr.exe |
| PID 3520 wrote to memory of 4912 | N/A | N/A | C:\Users\Admin\AppData\Local\gmS\wlrmdr.exe |
| PID 3520 wrote to memory of 4912 | N/A | N/A | C:\Users\Admin\AppData\Local\gmS\wlrmdr.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3420758037f4cdbcb617eddc5b353ec7.dll,#1
C:\Windows\system32\PresentationSettings.exe
C:\Windows\system32\PresentationSettings.exe
C:\Users\Admin\AppData\Local\uhY\PresentationSettings.exe
C:\Users\Admin\AppData\Local\uhY\PresentationSettings.exe
C:\Windows\system32\FileHistory.exe
C:\Windows\system32\FileHistory.exe
C:\Windows\system32\wlrmdr.exe
C:\Windows\system32\wlrmdr.exe
C:\Users\Admin\AppData\Local\Df2Zi8s7G\FileHistory.exe
C:\Users\Admin\AppData\Local\Df2Zi8s7G\FileHistory.exe
C:\Users\Admin\AppData\Local\gmS\wlrmdr.exe
C:\Users\Admin\AppData\Local\gmS\wlrmdr.exe
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 63.141.182.52.in-addr.arpa | udp |
Files
memory/1132-0-0x00000232ED460000-0x00000232ED467000-memory.dmp
memory/1132-1-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-4-0x0000000002870000-0x0000000002871000-memory.dmp
memory/3520-5-0x00007FFF325DA000-0x00007FFF325DB000-memory.dmp
memory/1132-8-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-12-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-16-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-17-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-19-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-22-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-26-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-30-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-34-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-38-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-42-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-41-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-43-0x0000000002830000-0x0000000002837000-memory.dmp
memory/3520-44-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-40-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-51-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-52-0x00007FFF33AC0000-0x00007FFF33AD0000-memory.dmp
memory/3520-39-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-37-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-36-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-61-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-63-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-35-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-33-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-32-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-31-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-28-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1648-73-0x0000000140000000-0x00000001401FF000-memory.dmp
memory/1648-78-0x0000000140000000-0x00000001401FF000-memory.dmp
memory/1648-72-0x00000278904A0000-0x00000278904A7000-memory.dmp
memory/3520-29-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-27-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-25-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-24-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-23-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-21-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-20-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-18-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1492-90-0x000002220A360000-0x000002220A367000-memory.dmp
memory/1492-89-0x0000000140000000-0x00000001401FE000-memory.dmp
memory/1492-95-0x0000000140000000-0x00000001401FE000-memory.dmp
memory/3520-15-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-14-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-13-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-10-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-11-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-9-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/3520-7-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/4912-106-0x000001679F160000-0x000001679F167000-memory.dmp
memory/4912-107-0x0000000140000000-0x0000000140243000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-31 11:22
Reported
2024-01-04 09:30
Platform
win7-20231215-en
Max time kernel
4s
Max time network
141s
Command Line
Signatures
Dridex
Dridex Shellcode
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\system32\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3420758037f4cdbcb617eddc5b353ec7.dll,#1
C:\Windows\system32\mstsc.exe
C:\Windows\system32\mstsc.exe
C:\Users\Admin\AppData\Local\sPTD\mstsc.exe
C:\Users\Admin\AppData\Local\sPTD\mstsc.exe
C:\Windows\system32\rrinstaller.exe
C:\Windows\system32\rrinstaller.exe
C:\Users\Admin\AppData\Local\bMRJGDf0\rrinstaller.exe
C:\Users\Admin\AppData\Local\bMRJGDf0\rrinstaller.exe
C:\Windows\system32\SystemPropertiesComputerName.exe
C:\Windows\system32\SystemPropertiesComputerName.exe
C:\Users\Admin\AppData\Local\1qolsiKx5\SystemPropertiesComputerName.exe
C:\Users\Admin\AppData\Local\1qolsiKx5\SystemPropertiesComputerName.exe
Network
Files
memory/1648-0-0x0000000000210000-0x0000000000217000-memory.dmp
memory/1648-1-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-4-0x0000000077B86000-0x0000000077B87000-memory.dmp
memory/1360-10-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-16-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-23-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-28-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-34-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-40-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-43-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-48-0x0000000002620000-0x0000000002627000-memory.dmp
memory/1360-53-0x0000000077DF0000-0x0000000077DF2000-memory.dmp
memory/1360-52-0x0000000077C91000-0x0000000077C92000-memory.dmp
memory/1360-51-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-62-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-42-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-68-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-41-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-39-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-38-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-37-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-36-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-35-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/2620-81-0x0000000140000000-0x00000001401FF000-memory.dmp
memory/2620-80-0x00000000001A0000-0x00000000001A7000-memory.dmp
memory/2620-85-0x0000000140000000-0x00000001401FF000-memory.dmp
memory/1360-33-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-32-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-31-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-30-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-29-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-27-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-26-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-25-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-24-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-22-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-21-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-20-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-19-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-18-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-17-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-15-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-14-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-13-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-12-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-11-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-9-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1648-8-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-7-0x0000000140000000-0x00000001401FD000-memory.dmp
memory/1360-5-0x0000000002640000-0x0000000002641000-memory.dmp
memory/1976-104-0x00000000000F0000-0x00000000000F7000-memory.dmp
memory/2040-122-0x0000000000280000-0x0000000000287000-memory.dmp
memory/1360-141-0x0000000077B86000-0x0000000077B87000-memory.dmp