Analysis Overview
SHA256
bbd4dd21dde67a96ac02aa9795ce662fa36d4edb90d13f2ffbdeee0d4aea5050
Threat Level: Known bad
The file DFI_0451_587_032.pdf was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-04 03:21
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-04 03:21
Reported
2022-04-04 03:47
Platform
win7-20220331-en
Max time kernel
54s
Max time network
45s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1224 set thread context of 1340 | N/A | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
"C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe"
C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 112
Network
Files
memory/1224-54-0x0000000000E80000-0x0000000000EE0000-memory.dmp
memory/1224-55-0x00000000002F0000-0x00000000002FA000-memory.dmp
memory/1224-56-0x0000000000360000-0x0000000000382000-memory.dmp
memory/1340-57-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1340-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1340-60-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1340-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1340-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1340-67-0x000000000040717B-mapping.dmp
memory/1340-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1340-69-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2036-70-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-04 03:21
Reported
2022-04-04 03:47
Platform
win10v2004-20220331-en
Max time kernel
84s
Max time network
126s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1276 set thread context of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
"C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe"
C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2272 -ip 2272
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 232
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 20.189.173.13:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 204.79.197.203:80 | tcp |
Files
memory/1276-124-0x0000000000AA0000-0x0000000000B00000-memory.dmp
memory/1276-125-0x00000000054F0000-0x0000000005566000-memory.dmp
memory/1276-126-0x0000000005470000-0x000000000548E000-memory.dmp
memory/2272-127-0x0000000000000000-mapping.dmp
memory/2272-128-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2272-129-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2272-130-0x0000000000400000-0x0000000000438000-memory.dmp