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
2022-04-27 02:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-27 02:25
Reported
2022-04-27 02:27
Platform
win7-20220414-en
Max time kernel
104s
Max time network
107s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 600 set thread context of 944 | 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 944 -s 800
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | duiy.xyz | udp |
Files
memory/600-54-0x0000000000D00000-0x0000000000D62000-memory.dmp
memory/600-55-0x00000000002A0000-0x00000000002AA000-memory.dmp
memory/600-56-0x0000000000530000-0x0000000000552000-memory.dmp
memory/600-57-0x0000000075871000-0x0000000075873000-memory.dmp
memory/944-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/944-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/944-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/944-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/944-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/944-68-0x000000000040717B-mapping.dmp
memory/944-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/944-70-0x0000000000400000-0x0000000000438000-memory.dmp
memory/944-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/992-73-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-27 02:25
Reported
2022-04-27 02:27
Platform
win10v2004-20220414-en
Max time kernel
143s
Max time network
145s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2400 set thread context of 3468 | 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 408 -p 3468 -ip 3468
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 1308
Network
| Country | Destination | Domain | Proto |
| US | 67.24.169.254:80 | tcp | |
| US | 67.24.169.254:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| GB | 51.105.71.137:443 | tcp | |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | duiy.xyz | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 67.24.169.254:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 67.24.169.254:80 | tcp | |
| US | 67.24.169.254:80 | tcp |
Files
memory/2400-130-0x0000000000900000-0x0000000000962000-memory.dmp
memory/2400-131-0x0000000005380000-0x00000000053F6000-memory.dmp
memory/2400-132-0x0000000005320000-0x000000000533E000-memory.dmp
memory/3468-133-0x0000000000000000-mapping.dmp
memory/3468-134-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3468-135-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3468-136-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3468-137-0x0000000000400000-0x0000000000438000-memory.dmp