Analysis Overview
SHA256
771e168408b17e5f7ae16bd3a878820d0e0a844f25d549507b6d2b9c8ed0c9e2
Threat Level: Known bad
The file 61f2627485987b4054ff97050f0dfe2b was found to be: Known bad.
Malicious Activity Summary
Dridex
Dridex Shellcode
Dridex payload
Executes dropped EXE
Loads dropped DLL
Checks whether UAC is enabled
Adds Run key to start application
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-26 09:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 09:01
Reported
2023-12-27 15:14
Platform
win7-20231215-en
Max time kernel
3s
Max time network
120s
Command Line
Signatures
Dridex
Dridex Shellcode
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dridex payload
| Description | Indicator | Process | Target |
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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\61f2627485987b4054ff97050f0dfe2b.dll,#1
C:\Users\Admin\AppData\Local\v30v\SystemPropertiesHardware.exe
C:\Users\Admin\AppData\Local\v30v\SystemPropertiesHardware.exe
C:\Windows\system32\SystemPropertiesHardware.exe
C:\Windows\system32\SystemPropertiesHardware.exe
C:\Users\Admin\AppData\Local\DeV6irs\osk.exe
C:\Users\Admin\AppData\Local\DeV6irs\osk.exe
C:\Windows\system32\osk.exe
C:\Windows\system32\osk.exe
C:\Users\Admin\AppData\Local\nEke\notepad.exe
C:\Users\Admin\AppData\Local\nEke\notepad.exe
C:\Windows\system32\notepad.exe
C:\Windows\system32\notepad.exe
Network
Files
memory/1880-0-0x000007FEF61E0000-0x000007FEF62D1000-memory.dmp
memory/1880-2-0x00000000000A0000-0x00000000000A7000-memory.dmp
memory/1220-3-0x0000000076DB6000-0x0000000076DB7000-memory.dmp
memory/1220-12-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-15-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-24-0x0000000077150000-0x0000000077152000-memory.dmp
memory/1220-23-0x0000000077120000-0x0000000077122000-memory.dmp
memory/1220-34-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-33-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-22-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-14-0x0000000002E60000-0x0000000002E67000-memory.dmp
memory/1220-13-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-11-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-10-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-9-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-8-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-7-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-6-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/1220-4-0x0000000002E80000-0x0000000002E81000-memory.dmp
memory/1880-42-0x000007FEF61E0000-0x000007FEF62D1000-memory.dmp
memory/1236-50-0x000007FEF6EA0000-0x000007FEF6F92000-memory.dmp
memory/1236-54-0x000007FEF6EA0000-0x000007FEF6F92000-memory.dmp
memory/1236-52-0x0000000000090000-0x0000000000097000-memory.dmp
memory/1220-57-0x0000000076DB6000-0x0000000076DB7000-memory.dmp
memory/2512-71-0x000007FEF61E0000-0x000007FEF62D2000-memory.dmp
memory/2512-69-0x0000000000110000-0x0000000000117000-memory.dmp
memory/2512-67-0x000007FEF61E0000-0x000007FEF62D2000-memory.dmp
memory/2844-184-0x000007FEF61E0000-0x000007FEF62D2000-memory.dmp
memory/2844-181-0x0000000000100000-0x0000000000107000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 09:01
Reported
2023-12-27 15:13
Platform
win10v2004-20231215-en
Max time kernel
139s
Max time network
151s
Command Line
Signatures
Dridex
Dridex Shellcode
| Description | Indicator | Process | Target |
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Dridex payload
| Description | Indicator | Process | Target |
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Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ehB\dpapimig.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\cY4\Utilman.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AygmKefh\Netplwiz.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ehB\dpapimig.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\cY4\Utilman.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AygmKefh\Netplwiz.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mmiwstgfcubwacq = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla\\Extensions\\YCW4X\\Utilman.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\ehB\dpapimig.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\cY4\Utilman.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\AygmKefh\Netplwiz.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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3500 wrote to memory of 4356 | N/A | N/A | C:\Windows\system32\dpapimig.exe |
| PID 3500 wrote to memory of 4356 | N/A | N/A | C:\Windows\system32\dpapimig.exe |
| PID 3500 wrote to memory of 3248 | N/A | N/A | C:\Users\Admin\AppData\Local\ehB\dpapimig.exe |
| PID 3500 wrote to memory of 3248 | N/A | N/A | C:\Users\Admin\AppData\Local\ehB\dpapimig.exe |
| PID 3500 wrote to memory of 1368 | N/A | N/A | C:\Windows\system32\Utilman.exe |
| PID 3500 wrote to memory of 1368 | N/A | N/A | C:\Windows\system32\Utilman.exe |
| PID 3500 wrote to memory of 1704 | N/A | N/A | C:\Users\Admin\AppData\Local\cY4\Utilman.exe |
| PID 3500 wrote to memory of 1704 | N/A | N/A | C:\Users\Admin\AppData\Local\cY4\Utilman.exe |
| PID 3500 wrote to memory of 4268 | N/A | N/A | C:\Windows\system32\BackgroundTransferHost.exe |
| PID 3500 wrote to memory of 4268 | N/A | N/A | C:\Windows\system32\BackgroundTransferHost.exe |
| PID 3500 wrote to memory of 3360 | N/A | N/A | C:\Users\Admin\AppData\Local\AygmKefh\Netplwiz.exe |
| PID 3500 wrote to memory of 3360 | N/A | N/A | C:\Users\Admin\AppData\Local\AygmKefh\Netplwiz.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61f2627485987b4054ff97050f0dfe2b.dll,#1
C:\Windows\system32\dpapimig.exe
C:\Windows\system32\dpapimig.exe
C:\Users\Admin\AppData\Local\ehB\dpapimig.exe
C:\Users\Admin\AppData\Local\ehB\dpapimig.exe
C:\Users\Admin\AppData\Local\cY4\Utilman.exe
C:\Users\Admin\AppData\Local\cY4\Utilman.exe
C:\Windows\system32\Utilman.exe
C:\Windows\system32\Utilman.exe
C:\Users\Admin\AppData\Local\AygmKefh\Netplwiz.exe
C:\Users\Admin\AppData\Local\AygmKefh\Netplwiz.exe
C:\Windows\system32\Netplwiz.exe
C:\Windows\system32\Netplwiz.exe
C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 84.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| GB | 23.44.233.195:443 | tcp | |
| N/A | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 50.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.179.17.96.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.73.194.208:443 | tcp | |
| N/A | 20.73.194.208:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 13.107.21.200:443 | tcp | |
| US | 8.8.8.8:53 | 78.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 47.179.17.96.in-addr.arpa | udp |
Files
memory/5024-0-0x00007FFD67970000-0x00007FFD67A61000-memory.dmp
memory/5024-1-0x000001B5B5C90000-0x000001B5B5C97000-memory.dmp
memory/3500-11-0x00007FFD765DA000-0x00007FFD765DB000-memory.dmp
memory/3500-19-0x0000000000B70000-0x0000000000B77000-memory.dmp
memory/3500-24-0x00007FFD76F50000-0x00007FFD76F60000-memory.dmp
memory/3500-33-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-23-0x00007FFD76F60000-0x00007FFD76F70000-memory.dmp
memory/3500-22-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-14-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-13-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-12-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-10-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-8-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-9-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-7-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-6-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-5-0x0000000140000000-0x00000001400F1000-memory.dmp
memory/3500-3-0x0000000002F70000-0x0000000002F71000-memory.dmp
memory/5024-36-0x00007FFD67970000-0x00007FFD67A61000-memory.dmp
memory/3248-48-0x00007FFD58BE0000-0x00007FFD58D17000-memory.dmp
memory/3248-45-0x000001BE5CB80000-0x000001BE5CB87000-memory.dmp
memory/3248-43-0x00007FFD58BE0000-0x00007FFD58D17000-memory.dmp
memory/1704-59-0x0000023FBCB60000-0x0000023FBCB67000-memory.dmp
memory/1704-64-0x00007FFD58B80000-0x00007FFD58C72000-memory.dmp
memory/1704-60-0x00007FFD58B80000-0x00007FFD58C72000-memory.dmp
memory/3360-75-0x00007FFD58C20000-0x00007FFD58D12000-memory.dmp
memory/3360-80-0x00007FFD58C20000-0x00007FFD58D12000-memory.dmp
memory/3360-77-0x0000021BFCA10000-0x0000021BFCA17000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\GaM\DUI70.dll
| MD5 | 603bedca38c1e59c5a49117bbe725e3c |
| SHA1 | 4274698f08110944de9859a2329dfafd32f4c211 |
| SHA256 | 6f01557d006b423f898b40b0845787e3aacf04d56adedeb01d5a9d9428fca0da |
| SHA512 | 8845cabe5eab951c7426b74b48f83d9dff8eeb47399b012231aa1c8a0541749f42cc6066aa1eb679f8da6e22a9b242b6d58682c92dca41716bc8ecf347230682 |
C:\Users\Admin\AppData\Roaming\Mozilla\Extensions\YCW4X\OLEACC.dll
| MD5 | fc91963f9914095408400cbf68c7e63c |
| SHA1 | ff4ee0a0e39adf602ccd607ead80381ecbc28c62 |
| SHA256 | d68dd9b61cdf6ff4f541556eb151bf6fb5a90c1661723fe6687508ba808677dd |
| SHA512 | 156b011224dd568834a48ff728d1beed53781dad993bc4e57cd08fde36e54309603f13aab930849a965d1698401a89e3c5a686fc9729045d6990b778d5108a08 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\uS\NETPLWIZ.dll
| MD5 | f37e4c44fa9ef56cf5166248d227f17e |
| SHA1 | 84ad32cc6b7e61d35321e8bdb45a47abc2266fc7 |
| SHA256 | d0a58ce0c8bcfe06b35e1bd56e075f48caee1ef8423dc47f07b8c95953fa11b4 |
| SHA512 | 7606328375df617355429fdbe6f90952dc27397899df051b4fd224072ac260bff82575c763ff0dfebfb984b5c04b1ee0a794e9becf9b40c0e621db369e817d8c |