Analysis Overview
SHA256
295af57bf8cf7f6064c050254187ad87ea601143eac3a773e07fc2cbcb59be48
Threat Level: Known bad
The file 64d23d2c0284efd48e19cc4f73d5066c was found to be: Known bad.
Malicious Activity Summary
Oski
Checks computer location settings
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-01-18 07:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-18 07:29
Reported
2024-01-18 07:31
Platform
win7-20231215-en
Max time kernel
120s
Max time network
123s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2540 set thread context of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe
"C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JgQxbKQq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80C.tmp"
C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe
"C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 768
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | hikark.xyz | udp |
Files
memory/2540-0-0x0000000000340000-0x00000000003E2000-memory.dmp
memory/2540-1-0x0000000074BE0000-0x00000000752CE000-memory.dmp
memory/2540-2-0x0000000004800000-0x0000000004840000-memory.dmp
memory/2540-3-0x00000000004C0000-0x00000000004DC000-memory.dmp
memory/2540-4-0x0000000074BE0000-0x00000000752CE000-memory.dmp
memory/2540-5-0x0000000004800000-0x0000000004840000-memory.dmp
memory/2540-6-0x0000000004E50000-0x0000000004EBC000-memory.dmp
memory/2540-7-0x0000000000A60000-0x0000000000A9C000-memory.dmp
memory/1872-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1872-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1872-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1872-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1872-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1872-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1872-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1872-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2540-26-0x0000000074BE0000-0x00000000752CE000-memory.dmp
memory/1872-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1872-29-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-18 07:29
Reported
2024-01-18 07:32
Platform
win10v2004-20231215-en
Max time kernel
142s
Max time network
152s
Command Line
Signatures
Oski
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2528 set thread context of 4768 | N/A | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe
"C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JgQxbKQq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25F2.tmp"
C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe
"C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe"
C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe
"C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe"
C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe
"C:\Users\Admin\AppData\Local\Temp\64d23d2c0284efd48e19cc4f73d5066c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4768 -ip 4768
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1276
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hikark.xyz | udp |
| US | 8.8.8.8:53 | 3.173.189.20.in-addr.arpa | udp |
Files
memory/2528-0-0x0000000000680000-0x0000000000722000-memory.dmp
memory/2528-1-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/2528-2-0x00000000051F0000-0x0000000005200000-memory.dmp
memory/2528-3-0x00000000052A0000-0x0000000005332000-memory.dmp
memory/2528-4-0x00000000058F0000-0x0000000005E94000-memory.dmp
memory/2528-5-0x0000000005270000-0x000000000528C000-memory.dmp
memory/2528-6-0x00000000053E0000-0x000000000547C000-memory.dmp
memory/2528-7-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/2528-8-0x00000000051F0000-0x0000000005200000-memory.dmp
memory/2528-9-0x00000000060D0000-0x000000000613C000-memory.dmp
memory/2528-10-0x0000000008600000-0x000000000863C000-memory.dmp
memory/4768-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4768-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4768-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4768-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2528-21-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4768-24-0x0000000000400000-0x0000000000438000-memory.dmp