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
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
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
2022-04-19 04:26
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-19 04:26
Reported
2022-04-19 04:35
Platform
win7-20220414-en
Max time kernel
64s
Max time network
129s
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 1296 set thread context of 1180 | 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 1180 -s 772
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | osiq.icu | udp |
| US | 99.83.154.118:80 | osiq.icu | tcp |
Files
memory/1296-54-0x0000000000FF0000-0x0000000001052000-memory.dmp
memory/1296-55-0x0000000000560000-0x000000000056A000-memory.dmp
memory/1296-56-0x0000000000B10000-0x0000000000B34000-memory.dmp
memory/1296-57-0x0000000075741000-0x0000000075743000-memory.dmp
memory/1180-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-68-0x000000000040717B-mapping.dmp
memory/1180-70-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1180-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1720-73-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-19 04:26
Reported
2022-04-19 04:35
Platform
win10v2004-20220414-en
Max time kernel
90s
Max time network
155s
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 4632 set thread context of 4856 | 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 424 -p 4856 -ip 4856
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 1332
Network
| Country | Destination | Domain | Proto |
| US | 52.109.12.18:443 | tcp | |
| US | 20.42.65.84:443 | 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 | osiq.icu | udp |
| US | 99.83.154.118:80 | osiq.icu | tcp |
Files
memory/4632-130-0x0000000000160000-0x00000000001C2000-memory.dmp
memory/4632-131-0x0000000004B90000-0x0000000004C06000-memory.dmp
memory/4632-132-0x0000000004B50000-0x0000000004B6E000-memory.dmp
memory/4856-133-0x0000000000000000-mapping.dmp
memory/4856-134-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4856-135-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4856-136-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4856-137-0x0000000000400000-0x0000000000438000-memory.dmp