Analysis Overview
SHA256
a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc
Threat Level: Likely malicious
The file a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc was found to be: Likely malicious.
Malicious Activity Summary
Modifies AppInit DLL entries
Executes dropped EXE
Drops file in Program Files directory
Unsigned PE
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 00:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 00:04
Reported
2024-04-07 00:06
Platform
win7-20240221-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Modifies AppInit DLL entries
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\dbilzqh.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\dbilzqh.exe | C:\Users\Admin\AppData\Local\Temp\a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\zxoabnc.dll | C:\PROGRA~3\Mozilla\dbilzqh.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\dbilzqh.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3032 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
| PID 3032 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
| PID 3032 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
| PID 3032 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc.exe
"C:\Users\Admin\AppData\Local\Temp\a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {5A5B34DD-27FA-4447-B287-7EBA640C83D9} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\dbilzqh.exe
C:\PROGRA~3\Mozilla\dbilzqh.exe -kwinamg
Network
Files
memory/1740-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1740-2-0x0000000000250000-0x00000000002AB000-memory.dmp
memory/1740-1-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1740-4-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\dbilzqh.exe
| MD5 | 0936f6a6e29c04c7b04992f710489c52 |
| SHA1 | d037928930275ab3280eaec739d790b54f5c8c05 |
| SHA256 | fa02ca6db00c07400929f7ca37bf2d57c65d05b777e1cd86e8b10585465542ad |
| SHA512 | 2b3d63251e8ace444481403af20aad88df14aaa81cb782f3c2c2f2c42c026e697f9111066cd8ca71d8d68f47dd6fd710e70b2d2bdb7c003b239a142436e8a5c1 |
memory/2508-7-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2508-8-0x0000000000310000-0x000000000036B000-memory.dmp
memory/2508-9-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2508-11-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 00:04
Reported
2024-04-07 00:06
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Modifies AppInit DLL entries
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\ktyqhhb.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\ixnvdrc.dll | C:\PROGRA~3\Mozilla\ktyqhhb.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\ktyqhhb.exe | C:\Users\Admin\AppData\Local\Temp\a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc.exe
"C:\Users\Admin\AppData\Local\Temp\a69981a878709618f303c86cbd049a173cea8270aeac6fbffee91e7e80dd6afc.exe"
C:\PROGRA~3\Mozilla\ktyqhhb.exe
C:\PROGRA~3\Mozilla\ktyqhhb.exe -arwhcpc
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.173.189.20.in-addr.arpa | udp |
Files
memory/5116-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/5116-1-0x0000000002090000-0x00000000020EB000-memory.dmp
memory/5116-2-0x0000000000400000-0x000000000045B000-memory.dmp
C:\ProgramData\Mozilla\ktyqhhb.exe
| MD5 | 79270eddd673b4bc3c54d5ed6f8eac9d |
| SHA1 | 48724738bb182ddc8776c9ed13aefe3dc2fec8a1 |
| SHA256 | 8847b9dd3fc0f998ced95c9fc4d7228cd4e6c742b96e0a9f5b6b77a4ae428f09 |
| SHA512 | 7739799c832a0465b7fd718b5cc8f85a32a56dae7d086e4f252d4d702532b92a8647b1a5b08020a810e986335babbb4097846151a9798c939084d5de6a46bc49 |
memory/5116-6-0x0000000000400000-0x000000000045B000-memory.dmp
memory/5116-8-0x0000000002090000-0x00000000020EB000-memory.dmp
memory/1372-9-0x0000000000CA0000-0x0000000000CFB000-memory.dmp
memory/1372-10-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1372-12-0x0000000000400000-0x000000000045B000-memory.dmp