Analysis Overview
SHA256
9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809
Threat Level: Likely malicious
The file 9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809 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 WriteProcessMemory
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 23:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 23:47
Reported
2024-04-06 23:50
Platform
win7-20231129-en
Max time kernel
121s
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\anhxrcb.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\fqurfhn.dll | C:\PROGRA~3\Mozilla\anhxrcb.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\anhxrcb.exe | C:\Users\Admin\AppData\Local\Temp\9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\anhxrcb.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2980 wrote to memory of 2060 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
| PID 2980 wrote to memory of 2060 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
| PID 2980 wrote to memory of 2060 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
| PID 2980 wrote to memory of 2060 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809.exe
"C:\Users\Admin\AppData\Local\Temp\9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {96F60E18-3DD8-49E1-AE55-1BB90178E5CC} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\anhxrcb.exe
C:\PROGRA~3\Mozilla\anhxrcb.exe -wxojhrj
Network
Files
memory/2964-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2964-1-0x00000000002E0000-0x000000000033B000-memory.dmp
memory/2964-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2964-4-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\anhxrcb.exe
| MD5 | e88b0a58379dfc879bc9f408e7274646 |
| SHA1 | 41fd12ab91077ed38824036a356332c6cfedbee2 |
| SHA256 | 0687f8924b5cbdb5299b17d5183fd472e709abbcb412fcc76289ef6a39b6cf8e |
| SHA512 | a53664548346adf9e2266686b3f087a4af470c1d7a19abb31d70b7122e2eb6b229e18358a03f930ed34861038940362a54f2745b3a8626328ee30caa481e9205 |
memory/2060-7-0x0000000000340000-0x000000000039B000-memory.dmp
memory/2060-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2060-10-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 23:47
Reported
2024-04-06 23:50
Platform
win10v2004-20240226-en
Max time kernel
149s
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\ktyqhhb.exe | C:\Users\Admin\AppData\Local\Temp\9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\ixnvdrc.dll | C:\PROGRA~3\Mozilla\ktyqhhb.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809.exe
"C:\Users\Admin\AppData\Local\Temp\9d5138e9cdf0032d43319a261ad58c684191e590e7b39825e3012f08270c6809.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.239.69.13.in-addr.arpa | udp |
Files
memory/2080-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2080-1-0x00000000020A0000-0x00000000020FB000-memory.dmp
memory/2080-2-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\ktyqhhb.exe
| MD5 | d1e5582f18947dd73edc5d4135ed1440 |
| SHA1 | 5ae499d9f895537119580306f76313fb2e1df47f |
| SHA256 | 49e579e1e74db67534e82193a306606feb2db92d9f40df5fd4f6c6b4e31f1b72 |
| SHA512 | 563323d9d1e3f2a26f18232d925528618ea8060ed5de752f4a3c2f88caa74f0985d646d55b2cdb7a9fba8e9a5e5f8331b079d90c183f0656fc9757012107217d |
memory/3248-6-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3248-7-0x0000000000C90000-0x0000000000CEB000-memory.dmp
memory/2080-9-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3248-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2080-11-0x00000000020A0000-0x00000000020FB000-memory.dmp
memory/3248-13-0x0000000000400000-0x000000000045B000-memory.dmp