Analysis Overview
SHA256
203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461
Threat Level: Known bad
The file 203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461 was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 19:15
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 19:15
Reported
2024-04-07 19:17
Platform
win10v2004-20240226-en
Max time kernel
26s
Max time network
156s
Command Line
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE | N/A |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" | C:\WINDOWS\MSWDM.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE" | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE" | C:\WINDOWS\MSWDM.EXE | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\WINDOWS\MSWDM.EXE | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| File opened for modification | C:\Windows\dev595B.tmp | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| File opened for modification | C:\Windows\dev595B.tmp | C:\WINDOWS\MSWDM.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe
"C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe"
C:\WINDOWS\MSWDM.EXE
"C:\WINDOWS\MSWDM.EXE"
C:\WINDOWS\MSWDM.EXE
-r!C:\Windows\dev595B.tmp!C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe! !
C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE
C:\WINDOWS\MSWDM.EXE
-e!C:\Windows\dev595B.tmp!C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE!
Network
| Country | Destination | Domain | Proto |
| N/A | 10.127.255.255:78 | udp | |
| N/A | 10.255.255.255:78 | udp | |
| N/A | 10.127.0.255:78 | udp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 255.0.127.10.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 255.255.255.10.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |
Files
memory/3192-0-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3192-7-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Windows\MSWDM.EXE
| MD5 | bbbb0cd00ecee4398cfbb727e05fc129 |
| SHA1 | f5e881fe23eed99368e64f59bcff02ac803ec8ea |
| SHA256 | 13c373c306bf19c9926d4d44d2f6d1789938436821ad2a0de9b58ddb86ef6b15 |
| SHA512 | cfd58804e453d022a62715fa236a974ec693296dc634821c9051c77467b35d83e3d89d178a2c1cf37d21f7e6a6a147ff51b82a475ed1d3d5403ca165dc6bcb8b |
memory/1148-10-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Windows\dev595B.tmp
| MD5 | 96f7cb9f7481a279bd4bc0681a3b993e |
| SHA1 | deaedb5becc6c0bd263d7cf81e0909b912a1afd4 |
| SHA256 | d2893c55259772b554cb887d3e2e1f9c67f5cd5abac2ab9f4720dec507cdd290 |
| SHA512 | 694d2da36df04db25cc5972f7cc180b77e1cb0c3b5be8b69fe7e2d4e59555efb8aa7e50b1475ad5196ca638dabde2c796ae6faeb4a31f38166838cd1cc028149 |
memory/5076-11-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE
| MD5 | 9f61ce6e54eb179188e04a6424985b19 |
| SHA1 | bfac0fa2c910d2b6445799cad5b8a23b75457de6 |
| SHA256 | 111860156b395a3db9e9968c8cd3a5d9f76d92ef38f164bae6d855953589fc3b |
| SHA512 | 00e2c9c4383a32c69f550946ae979fec8b3f5737f669e65c508730e8c9bd0ae16cda251cb4d60623232062722e1ab5f3155b65b802bc7676b488794cbffdb4bb |
memory/3572-19-0x0000000000400000-0x000000000041B000-memory.dmp
memory/5076-21-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1148-22-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 19:15
Reported
2024-04-07 19:17
Platform
win7-20240221-en
Max time kernel
13s
Max time network
125s
Command Line
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE | N/A |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" | C:\WINDOWS\MSWDM.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE" | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE" | C:\WINDOWS\MSWDM.EXE | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\WINDOWS\MSWDM.EXE | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| File opened for modification | C:\Windows\dev84E9.tmp | C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe | N/A |
| File opened for modification | C:\Windows\dev84E9.tmp | C:\WINDOWS\MSWDM.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe
"C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe"
C:\WINDOWS\MSWDM.EXE
"C:\WINDOWS\MSWDM.EXE"
C:\WINDOWS\MSWDM.EXE
-r!C:\Windows\dev84E9.tmp!C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe! !
C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE
C:\WINDOWS\MSWDM.EXE
-e!C:\Windows\dev84E9.tmp!C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE!
Network
| Country | Destination | Domain | Proto |
| N/A | 10.127.255.255:78 | udp | |
| N/A | 10.255.255.255:78 | udp | |
| N/A | 10.127.0.255:78 | udp |
Files
memory/1500-0-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Windows\MSWDM.EXE
| MD5 | bbbb0cd00ecee4398cfbb727e05fc129 |
| SHA1 | f5e881fe23eed99368e64f59bcff02ac803ec8ea |
| SHA256 | 13c373c306bf19c9926d4d44d2f6d1789938436821ad2a0de9b58ddb86ef6b15 |
| SHA512 | cfd58804e453d022a62715fa236a974ec693296dc634821c9051c77467b35d83e3d89d178a2c1cf37d21f7e6a6a147ff51b82a475ed1d3d5403ca165dc6bcb8b |
memory/1396-18-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2748-17-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\203e1c7ef08bb81f809868185bce023c70f634f6365da8f583a83707661b0461.exe
| MD5 | 96f7cb9f7481a279bd4bc0681a3b993e |
| SHA1 | deaedb5becc6c0bd263d7cf81e0909b912a1afd4 |
| SHA256 | d2893c55259772b554cb887d3e2e1f9c67f5cd5abac2ab9f4720dec507cdd290 |
| SHA512 | 694d2da36df04db25cc5972f7cc180b77e1cb0c3b5be8b69fe7e2d4e59555efb8aa7e50b1475ad5196ca638dabde2c796ae6faeb4a31f38166838cd1cc028149 |
memory/1500-13-0x0000000000290000-0x00000000002AB000-memory.dmp
memory/1500-12-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1396-24-0x0000000000270000-0x000000000028B000-memory.dmp
memory/2552-30-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\203E1C7EF08BB81F809868185BCE023C70F634F6365DA8F583A83707661B0461.EXE
| MD5 | cab609d73df5554b14c3093c9c846f7d |
| SHA1 | db93263ea5601c246bac4b73fda6d82c0199a66a |
| SHA256 | 170315da90c07e2027fe91ac87e5bf112e55a1988882af5398847d64f292cfa4 |
| SHA512 | a8b3a9d691656f702ed2f5c22a0a7c5e5cede3a382d4c57a83c275b447be29a5517090343c7d8d379a3d0cdad533deb06356b87aa3e0e470c47c33fe24099b7c |
memory/2552-26-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1396-32-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2748-33-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1500-36-0x0000000000290000-0x00000000002AB000-memory.dmp