Analysis Overview
SHA256
a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80
Threat Level: Likely malicious
The file a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80 was found to be: Likely malicious.
Malicious Activity Summary
Executes dropped EXE
Suspicious use of SetThreadContext
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-31 22:08
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-31 22:08
Reported
2022-10-31 22:10
Platform
win10v2004-20220812-en
Max time kernel
122s
Max time network
130s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1092 set thread context of 4740 | N/A | C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe | C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe |
| PID 912 set thread context of 2064 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe |
| PID 2172 set thread context of 824 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
"C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe"
C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 20.189.173.4:443 | tcp |
Files
memory/1092-132-0x00000000003C0000-0x0000000000416000-memory.dmp
memory/1092-133-0x0000000007960000-0x0000000007F04000-memory.dmp
memory/1092-134-0x00000000073B0000-0x0000000007442000-memory.dmp
memory/1092-135-0x00000000078E0000-0x0000000007956000-memory.dmp
memory/1092-136-0x0000000004EF0000-0x0000000004F0E000-memory.dmp
memory/4740-137-0x0000000000000000-mapping.dmp
memory/4740-138-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4740-140-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4988-141-0x0000000000000000-mapping.dmp
memory/4740-142-0x0000000000400000-0x0000000000406000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
| MD5 | f5906d4ad1e6e9819c4d86b8a71f3415 |
| SHA1 | cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3 |
| SHA256 | a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80 |
| SHA512 | 8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a |
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
| MD5 | f5906d4ad1e6e9819c4d86b8a71f3415 |
| SHA1 | cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3 |
| SHA256 | a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80 |
| SHA512 | 8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a |
memory/2064-145-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
| MD5 | f5906d4ad1e6e9819c4d86b8a71f3415 |
| SHA1 | cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3 |
| SHA256 | a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80 |
| SHA512 | 8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a |
memory/4216-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
| MD5 | f5906d4ad1e6e9819c4d86b8a71f3415 |
| SHA1 | cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3 |
| SHA256 | a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80 |
| SHA512 | 8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log
| MD5 | 03d2df1e8834bc4ec1756735429b458c |
| SHA1 | 4ee6c0f5b04c8e0c5076219c5724032daab11d40 |
| SHA256 | 745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631 |
| SHA512 | 2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b |
memory/824-153-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
| MD5 | f5906d4ad1e6e9819c4d86b8a71f3415 |
| SHA1 | cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3 |
| SHA256 | a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80 |
| SHA512 | 8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a |