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 AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-11 03:04
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-11 03:04
Reported
2022-04-11 03:19
Platform
win7-20220331-en
Max time kernel
54s
Max time network
46s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 804 set thread context of 1588 | 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 |
| 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:\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 1588 -s 112
Network
Files
memory/804-54-0x0000000001250000-0x00000000012B0000-memory.dmp
memory/804-55-0x0000000000360000-0x000000000036A000-memory.dmp
memory/804-56-0x0000000000540000-0x0000000000562000-memory.dmp
memory/1588-57-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1588-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1588-60-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1588-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1588-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1588-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1588-67-0x000000000040717B-mapping.dmp
memory/1588-69-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1368-70-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-11 03:04
Reported
2022-04-11 03:19
Platform
win10v2004-20220331-en
Max time kernel
148s
Max time network
153s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4848 set thread context of 3084 | 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 424 -p 3084 -ip 3084
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 188
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | 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 | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| US | 204.79.197.203:80 | tcp |
Files
memory/4848-124-0x0000000000A90000-0x0000000000AF0000-memory.dmp
memory/4848-125-0x0000000005530000-0x00000000055A6000-memory.dmp
memory/4848-126-0x0000000005480000-0x000000000549E000-memory.dmp
memory/3084-127-0x0000000000000000-mapping.dmp
memory/3084-128-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3084-129-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3084-130-0x0000000000400000-0x0000000000438000-memory.dmp