Analysis Overview
SHA256
6d575812a701f3cbf081873989914976287e46a9cc8d732bd83ac7f6944ceb98
Threat Level: Known bad
The file 2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia was found to be: Known bad.
Malicious Activity Summary
Oski
Oski family
Downloads MZ/PE file
Loads dropped DLL
Checks computer location settings
Reads user/profile data of web browsers
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Unsigned PE
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-07 20:54
Signatures
Oski family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-07 20:54
Reported
2024-07-07 20:57
Platform
win7-20240704-en
Max time kernel
122s
Max time network
130s
Command Line
Signatures
Oski
Downloads MZ/PE file
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | N/A |
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\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.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\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 2084 & erase C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_ka' & RD /S /Q C:\\ProgramData\\435392520716307\\* & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 2084
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | oski.x0a2.com | udp |
| US | 195.179.236.200:80 | oski.x0a2.com | tcp |
Files
\ProgramData\sqlite3.dll
| MD5 | e477a96c8f2b18d6b5c27bde49c990bf |
| SHA1 | e980c9bf41330d1e5bd04556db4646a0210f7409 |
| SHA256 | 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660 |
| SHA512 | 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-07 20:54
Reported
2024-07-07 21:06
Platform
win10v2004-20240704-en
Max time kernel
124s
Max time network
134s
Command Line
Signatures
Oski
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-661257284-3186977026-4220467887-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | N/A |
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\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.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 4788 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4788 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4788 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1180 wrote to memory of 4872 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1180 wrote to memory of 4872 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1180 wrote to memory of 4872 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_karagany_mafia.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4588,i,12101950716832706950,8384629015980369538,262144 --variations-seed-version --mojo-platform-channel-handle=4508 /prefetch:8
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 4788 & erase C:\Users\Admin\AppData\Local\Temp\2024-07-07_7104e2ade44c390cb87033f2249b0c97_ka & RD /S /Q C:\\ProgramData\\330925909120130\\* & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 4788
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | oski.x0a2.com | udp |
| US | 195.179.236.200:80 | oski.x0a2.com | tcp |
| US | 8.8.8.8:53 | 200.236.179.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 233.143.123.92.in-addr.arpa | udp |
Files
C:\ProgramData\sqlite3.dll
| MD5 | e477a96c8f2b18d6b5c27bde49c990bf |
| SHA1 | e980c9bf41330d1e5bd04556db4646a0210f7409 |
| SHA256 | 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660 |
| SHA512 | 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c |
memory/4788-11-0x0000000060900000-0x0000000060992000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |