Analysis Overview
SHA256
9b26547086a1489e5534452021694af3a565fe76926e671112be4852947a5d27
Threat Level: Known bad
The file IMG_106_680_74_80.pdf was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-04 03:30
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-04 03:30
Reported
2022-04-04 04:23
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 1556 set thread context of 1692 | N/A | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe"
C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe
C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 112
Network
Files
memory/1556-54-0x0000000000DD0000-0x0000000000E32000-memory.dmp
memory/1556-55-0x0000000000380000-0x000000000038A000-memory.dmp
memory/1556-56-0x0000000000690000-0x00000000006B4000-memory.dmp
memory/1692-57-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1692-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1692-60-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1692-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1692-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1692-67-0x000000000040717B-mapping.dmp
memory/1692-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1692-69-0x0000000000400000-0x0000000000438000-memory.dmp
memory/968-70-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-04 03:30
Reported
2022-04-04 04:27
Platform
win10v2004-en-20220113
Max time kernel
134s
Max time network
146s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1676 set thread context of 2236 | N/A | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe"
C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe
C:\Users\Admin\AppData\Local\Temp\IMG_106_680_74_80.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2236 -ip 2236
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 236
Network
| Country | Destination | Domain | Proto |
| US | 20.189.173.13:443 | tcp |
Files
memory/1676-130-0x0000000000570000-0x00000000005D2000-memory.dmp
memory/1676-131-0x0000000005060000-0x00000000050D6000-memory.dmp
memory/1676-132-0x0000000004F80000-0x0000000004F9E000-memory.dmp
memory/2236-133-0x0000000000000000-mapping.dmp
memory/2236-134-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2236-135-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2236-136-0x0000000000400000-0x0000000000438000-memory.dmp