Analysis Overview
SHA256
10f7569d170015cfddf59a775fa5dfc4108a83544902028a4e89ca740fd889a0
Threat Level: Known bad
The file 95c729597254d7d13131a1d787ee8672.bin was found to be: Known bad.
Malicious Activity Summary
Oski family
Oski
Downloads MZ/PE file
Reads user/profile data of web browsers
Loads dropped DLL
Checks computer location settings
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Unsigned PE
Enumerates physical storage devices
Kills process with taskkill
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-05 02:39
Signatures
Oski family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-05 02:38
Reported
2023-11-05 02:41
Platform
win7-20231023-en
Max time kernel
118s
Max time network
127s
Command Line
Signatures
Oski
Downloads MZ/PE file
Loads dropped DLL
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe
"C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 2436 & erase C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0' & RD /S /Q C:\\ProgramData\\144656399822553\\* & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 2436
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 9enternecera.ru.com | udp |
| IN | 103.83.194.50:80 | 9enternecera.ru.com | tcp |
| IN | 103.83.194.50:80 | 9enternecera.ru.com | tcp |
Files
\ProgramData\sqlite3.dll
| MD5 | e477a96c8f2b18d6b5c27bde49c990bf |
| SHA1 | e980c9bf41330d1e5bd04556db4646a0210f7409 |
| SHA256 | 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660 |
| SHA512 | 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c |
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-05 02:38
Reported
2023-11-05 02:41
Platform
win10v2004-20231020-en
Max time kernel
123s
Max time network
131s
Command Line
Signatures
Oski
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe | N/A |
Loads dropped DLL
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 992 wrote to memory of 2952 | N/A | C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 992 wrote to memory of 2952 | N/A | C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 992 wrote to memory of 2952 | N/A | C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2952 wrote to memory of 4884 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2952 wrote to memory of 4884 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2952 wrote to memory of 4884 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe
"C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 992 & erase C:\Users\Admin\AppData\Local\Temp\078e034c9471d383cda140f060f9ff26960d0674cfc9d0 & RD /S /Q C:\\ProgramData\\363035915348153\\* & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 992
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 9enternecera.ru.com | udp |
| IN | 103.83.194.50:80 | 9enternecera.ru.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.194.83.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 39.142.81.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.210.247.8.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 | 27.178.89.13.in-addr.arpa | udp |
Files
C:\ProgramData\sqlite3.dll
| MD5 | e477a96c8f2b18d6b5c27bde49c990bf |
| SHA1 | e980c9bf41330d1e5bd04556db4646a0210f7409 |
| SHA256 | 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660 |
| SHA512 | 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c |
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |