Analysis Overview
SHA256
a2013616892886b9fcd2067d2e77436c5233653772f6a6f235a325b1122c34a9
Threat Level: Known bad
The file b43ae45b39a0647231b51c2d438a554e was found to be: Known bad.
Malicious Activity Summary
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-03-05 08:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-05 08:15
Reported
2024-03-05 08:18
Platform
win7-20240220-en
Max time kernel
122s
Max time network
122s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2184 set thread context of 2868 | N/A | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
"C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe"
C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 112
Network
Files
memory/2184-0-0x00000000012E0000-0x0000000001394000-memory.dmp
memory/2184-1-0x0000000074D50000-0x000000007543E000-memory.dmp
memory/2184-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp
memory/2184-3-0x00000000009C0000-0x00000000009C8000-memory.dmp
memory/2184-4-0x0000000074D50000-0x000000007543E000-memory.dmp
memory/2184-5-0x0000000004CB0000-0x0000000004CF0000-memory.dmp
memory/2184-6-0x0000000007F70000-0x0000000007FF6000-memory.dmp
memory/2184-7-0x0000000000C00000-0x0000000000C3A000-memory.dmp
memory/2868-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2868-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2868-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2868-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2868-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2868-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2868-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2184-21-0x0000000074D50000-0x000000007543E000-memory.dmp
memory/2868-20-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-05 08:15
Reported
2024-03-05 08:18
Platform
win10v2004-20240226-en
Max time kernel
139s
Max time network
138s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5084 set thread context of 4256 | N/A | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
"C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe"
C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4256 -ip 4256
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 1308
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 3.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zdd.divendesign.in | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
Files
memory/5084-0-0x0000000000F70000-0x0000000001024000-memory.dmp
memory/5084-1-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/5084-2-0x0000000005F80000-0x0000000006524000-memory.dmp
memory/5084-3-0x0000000005A70000-0x0000000005B02000-memory.dmp
memory/5084-4-0x0000000005D00000-0x0000000005D10000-memory.dmp
memory/5084-5-0x0000000005A20000-0x0000000005A2A000-memory.dmp
memory/5084-6-0x0000000005EA0000-0x0000000005EA8000-memory.dmp
memory/5084-7-0x0000000006ED0000-0x0000000006F6C000-memory.dmp
memory/5084-8-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/5084-9-0x0000000005D00000-0x0000000005D10000-memory.dmp
memory/5084-10-0x0000000009B90000-0x0000000009C16000-memory.dmp
memory/5084-11-0x0000000009B40000-0x0000000009B7A000-memory.dmp
memory/4256-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4256-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4256-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4256-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/5084-17-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/4256-20-0x0000000000400000-0x0000000000438000-memory.dmp