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 behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-21 19:16
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-21 19:16
Reported
2022-04-21 19:18
Platform
win7-20220414-en
Max time kernel
111s
Max time network
117s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1480 set thread context of 972 | 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 972 -s 780
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | duiy.xyz | udp |
Files
memory/1480-54-0x0000000000110000-0x0000000000172000-memory.dmp
memory/1480-55-0x0000000000480000-0x000000000048A000-memory.dmp
memory/1480-56-0x00000000004B0000-0x00000000004D2000-memory.dmp
memory/1480-57-0x0000000075871000-0x0000000075873000-memory.dmp
memory/972-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/972-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/972-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/972-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/972-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/972-68-0x000000000040717B-mapping.dmp
memory/972-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/972-70-0x0000000000400000-0x0000000000438000-memory.dmp
memory/972-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1164-73-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-21 19:16
Reported
2022-04-21 19:19
Platform
win10v2004-20220414-en
Max time kernel
162s
Max time network
180s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2236 set thread context of 1964 | 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 432 -p 1964 -ip 1964
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 1308
Network
| Country | Destination | Domain | Proto |
| NL | 88.221.144.179:80 | tcp | |
| NL | 88.221.144.179:80 | tcp | |
| US | 13.89.178.26:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| US | 8.8.8.8:53 | duiy.xyz | udp |
Files
memory/2236-130-0x0000000000ED0000-0x0000000000F32000-memory.dmp
memory/2236-131-0x00000000058F0000-0x0000000005966000-memory.dmp
memory/2236-132-0x0000000005970000-0x000000000598E000-memory.dmp
memory/1964-133-0x0000000000000000-mapping.dmp
memory/1964-134-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1964-135-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1964-136-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1964-137-0x0000000000400000-0x0000000000438000-memory.dmp