Analysis Overview
SHA256
b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48
Threat Level: Known bad
The file b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48 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 behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 02:27
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: behavioral1
Detonation Overview
Submitted
2024-06-11 02:27
Reported
2024-06-11 02:30
Platform
win7-20240419-en
Max time kernel
19s
Max time network
122s
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 |
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\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.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 |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE" | C:\WINDOWS\MSWDM.EXE | N/A |
| 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\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" | C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\WINDOWS\MSWDM.EXE | C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe | N/A |
| File opened for modification | C:\Windows\dev15C2.tmp | C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\WINDOWS\MSWDM.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe
"C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe"
C:\WINDOWS\MSWDM.EXE
"C:\WINDOWS\MSWDM.EXE"
C:\WINDOWS\MSWDM.EXE
-r!C:\Windows\dev15C2.tmp!C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe! !
C:\Users\Admin\AppData\Local\Temp\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.EXE
C:\WINDOWS\MSWDM.EXE
-e!C:\Windows\dev15C2.tmp!C:\Users\Admin\AppData\Local\Temp\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.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/1392-0-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1392-12-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe
| MD5 | 619f7135621b50fd1900ff24aade1524 |
| SHA1 | 6c7ea8bbd435163ae3945cbef30ef6b9872a4591 |
| SHA256 | 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2 |
| SHA512 | 2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628 |
C:\Windows\MSWDM.EXE
| MD5 | 8281630c34398a6569e720407a61ca05 |
| SHA1 | d983308e8fe1bab035342cd8d2ddc63cd9ce1ac0 |
| SHA256 | 8f0e45e4b02d7e47c2a82eaf263756167dbc07fb1e50eaf7f8f0b232d4d097e0 |
| SHA512 | 483fab964c6e7899af972bc14101ef225722ff09f544ab2e2dc37f0af781c20b3a526610922c0fe2a1d7dc53ffc7ee0ee6a030bc73b1f2b35f7ea36568945187 |
memory/2024-14-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2024-28-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2728-25-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2260-29-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 02:27
Reported
2024-06-11 02:30
Platform
win10v2004-20240426-en
Max time kernel
30s
Max time network
142s
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\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.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\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" | C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.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\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe | N/A |
| File opened for modification | C:\Windows\dev632E.tmp | C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe | N/A |
| File opened for modification | C:\Windows\dev632E.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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe
"C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe"
C:\WINDOWS\MSWDM.EXE
"C:\WINDOWS\MSWDM.EXE"
C:\WINDOWS\MSWDM.EXE
-r!C:\Windows\dev632E.tmp!C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe! !
C:\Users\Admin\AppData\Local\Temp\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.EXE
C:\WINDOWS\MSWDM.EXE
-e!C:\Windows\dev632E.tmp!C:\Users\Admin\AppData\Local\Temp\B8944517A45B4D983B70D6920D24B2D834BEA77057749F997A1B9832A176AA48.EXE!
Network
| Country | Destination | Domain | Proto |
| N/A | 10.127.255.255:78 | udp | |
| N/A | 10.255.255.255:78 | udp | |
| US | 8.8.8.8:53 | 255.1.127.10.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 255.255.255.10.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.160.77.104.in-addr.arpa | udp |
| N/A | 10.127.1.255:78 | udp | |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/404-0-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Windows\MSWDM.EXE
| MD5 | 8281630c34398a6569e720407a61ca05 |
| SHA1 | d983308e8fe1bab035342cd8d2ddc63cd9ce1ac0 |
| SHA256 | 8f0e45e4b02d7e47c2a82eaf263756167dbc07fb1e50eaf7f8f0b232d4d097e0 |
| SHA512 | 483fab964c6e7899af972bc14101ef225722ff09f544ab2e2dc37f0af781c20b3a526610922c0fe2a1d7dc53ffc7ee0ee6a030bc73b1f2b35f7ea36568945187 |
memory/404-9-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Windows\dev632E.tmp
| MD5 | 619f7135621b50fd1900ff24aade1524 |
| SHA1 | 6c7ea8bbd435163ae3945cbef30ef6b9872a4591 |
| SHA256 | 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2 |
| SHA512 | 2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628 |
memory/2788-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3456-10-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\b8944517a45b4d983b70d6920d24b2d834bea77057749f997a1b9832a176aa48.exe
| MD5 | 5761559e4f8a3b6eb23b19adaa77ce03 |
| SHA1 | 9b7497876f209b9e74df687c52e346dbf25b0e84 |
| SHA256 | a8c2949e0198a3c0a3b8672774a7abd7bbee08e4c937e4eea636bf8c9fe67ca2 |
| SHA512 | db91f61871f868fb9be38481d043d7bfb645b62322cf33b6f2c17b9de4830b1df48cfd554e9f1ca8ddadaeb9747342a371145df440a756c7c62212272a34f562 |
memory/5040-21-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2788-24-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3456-25-0x0000000000400000-0x000000000041B000-memory.dmp