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
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
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
2022-04-16 05:45
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-16 05:45
Reported
2022-04-16 05:55
Platform
win10v2004-20220414-en
Max time kernel
94s
Max time network
99s
Command Line
Signatures
Oski
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4148 set thread context of 3136 | 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 432 -p 3136 -ip 3136
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1324
Network
| Country | Destination | Domain | Proto |
| US | 20.42.73.26:443 | tcp | |
| US | 67.27.133.254:80 | tcp | |
| US | 67.27.133.254:80 | tcp | |
| US | 67.27.133.254:80 | tcp | |
| US | 8.8.8.8:53 | osiq.icu | udp |
| US | 99.83.154.118:80 | osiq.icu | tcp |
Files
memory/4148-130-0x00000000004A0000-0x0000000000502000-memory.dmp
memory/4148-131-0x0000000004F40000-0x0000000004FB6000-memory.dmp
memory/4148-132-0x0000000004EC0000-0x0000000004EDE000-memory.dmp
memory/3136-133-0x0000000000000000-mapping.dmp
memory/3136-134-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3136-135-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3136-136-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3136-137-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-16 05:45
Reported
2022-04-16 05:55
Platform
win7-20220414-en
Max time kernel
73s
Max time network
137s
Command Line
Signatures
Oski
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1688 set thread context of 1884 | 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 1884 -s 768
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | osiq.icu | udp |
| US | 99.83.154.118:80 | osiq.icu | tcp |
| US | 216.239.32.21:80 | tcp |
Files
memory/1688-54-0x0000000000A20000-0x0000000000A82000-memory.dmp
memory/1688-55-0x00000000003D0000-0x00000000003DA000-memory.dmp
memory/1688-56-0x0000000000410000-0x0000000000434000-memory.dmp
memory/1688-57-0x0000000076391000-0x0000000076393000-memory.dmp
memory/1884-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-68-0x000000000040717B-mapping.dmp
memory/1884-70-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1972-73-0x0000000000000000-mapping.dmp