Analysis Overview
SHA256
a59fbc4f9903ed18c989e87bc83073b463310ffe6c90a43c53400739719d0aae
Threat Level: Known bad
The file FLP_1037850047.pdf was found to be: Known bad.
Malicious Activity Summary
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-19 04:19
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-19 04:19
Reported
2022-04-19 04:25
Platform
win7-20220414-en
Max time kernel
115s
Max time network
101s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1100 set thread context of 1664 | N/A | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
"C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe"
C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 732
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | duiy.xyz | udp |
Files
memory/1100-54-0x0000000000FB0000-0x0000000001012000-memory.dmp
memory/1100-55-0x00000000003A0000-0x00000000003AA000-memory.dmp
memory/1100-56-0x0000000000580000-0x00000000005A2000-memory.dmp
memory/1664-57-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1664-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1664-60-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1664-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1664-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1664-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1664-67-0x000000000040717B-mapping.dmp
memory/1664-69-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1664-70-0x0000000075E31000-0x0000000075E33000-memory.dmp
memory/1664-71-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1172-72-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-19 04:19
Reported
2022-04-19 04:25
Platform
win10v2004-20220414-en
Max time kernel
63s
Max time network
131s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4768 set thread context of 4392 | N/A | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
"C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe"
C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4392 -ip 4392
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 1316
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.133:80 | tcp | |
| US | 20.189.173.2:443 | tcp | |
| US | 8.8.8.8:53 | duiy.xyz | udp |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp |
Files
memory/4768-133-0x0000000000650000-0x00000000006B2000-memory.dmp
memory/4768-134-0x0000000004FD0000-0x0000000005046000-memory.dmp
memory/4768-135-0x0000000004F20000-0x0000000004F3E000-memory.dmp
memory/4392-136-0x0000000000000000-mapping.dmp
memory/4392-137-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4392-138-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4392-139-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4392-140-0x0000000000400000-0x0000000000438000-memory.dmp