Analysis Overview
SHA256
9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d
Threat Level: Known bad
The file 9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Modifies AppInit DLL entries
Loads dropped DLL
UPX packed file
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
2024-04-06 23:49
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 23:49
Reported
2024-04-06 23:51
Platform
win7-20240220-en
Max time kernel
117s
Max time network
119s
Command Line
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies AppInit DLL entries
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\wrvdfyg.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\wrvdfyg.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\wrvdfyg.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\wrvdfyg.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\wrvdfyg.exe | C:\Users\Admin\AppData\Local\Temp\9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\klztrnd.dll | C:\PROGRA~3\Mozilla\wrvdfyg.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\wrvdfyg.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2300 wrote to memory of 1316 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\wrvdfyg.exe |
| PID 2300 wrote to memory of 1316 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\wrvdfyg.exe |
| PID 2300 wrote to memory of 1316 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\wrvdfyg.exe |
| PID 2300 wrote to memory of 1316 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\wrvdfyg.exe |
| PID 2300 wrote to memory of 1316 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\wrvdfyg.exe |
| PID 2300 wrote to memory of 1316 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\wrvdfyg.exe |
| PID 2300 wrote to memory of 1316 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\wrvdfyg.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d.exe
"C:\Users\Admin\AppData\Local\Temp\9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {9D4CC234-13FF-40B8-8F85-39C358FDE676} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\wrvdfyg.exe
C:\PROGRA~3\Mozilla\wrvdfyg.exe -hzyjzia
Network
Files
memory/1724-1-0x0000000000370000-0x00000000003D7000-memory.dmp
memory/1724-3-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1724-2-0x0000000000370000-0x00000000003CB000-memory.dmp
memory/1724-0-0x0000000000400000-0x0000000000467000-memory.dmp
memory/1724-5-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\wrvdfyg.exe
| MD5 | b6b4e58ef5a9fe94eebb73ea2771243d |
| SHA1 | 9d73dc314251be4209a026a6c27d32b29e9ec152 |
| SHA256 | f818ee94d309403ee114387d3425eca41098f59c40d890f80dbf65147bda09d6 |
| SHA512 | 26368dc4d8adfda03f615298182e20eab29358dbd77b6eaa8cb834d05cddf61fa705cce6f78d7b83ea75d4d775824ce5346186d16e7e5c265e6da177bea1a498 |
memory/1316-8-0x0000000000400000-0x0000000000467000-memory.dmp
memory/1316-12-0x0000000000470000-0x00000000004CB000-memory.dmp
memory/1316-13-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1316-15-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 23:49
Reported
2024-04-06 23:51
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
155s
Command Line
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies AppInit DLL entries
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\fwjctpb.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\fwjctpb.exe | C:\Users\Admin\AppData\Local\Temp\9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\jqvifpn.dll | C:\PROGRA~3\Mozilla\fwjctpb.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d.exe
"C:\Users\Admin\AppData\Local\Temp\9e606e6d13b8922d4a6010dc47697d94e2bd1954a0eb8d8790cfad0c63ca0e5d.exe"
C:\PROGRA~3\Mozilla\fwjctpb.exe
C:\PROGRA~3\Mozilla\fwjctpb.exe -qdcpmcc
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
Files
memory/876-0-0x0000000000400000-0x0000000000467000-memory.dmp
memory/876-1-0x0000000000A60000-0x0000000000ABB000-memory.dmp
memory/876-2-0x0000000000400000-0x000000000045B000-memory.dmp
C:\ProgramData\Mozilla\fwjctpb.exe
| MD5 | d3ececc09aa2bbefaddc4b5bef664be8 |
| SHA1 | 9de060f525762403740b8de89d7085864f1b621c |
| SHA256 | 7fb56fc06fce58ac1d47b97e7741e723ceb82f9c7d3d9223dccabe15f9179fed |
| SHA512 | 00ea2c5b16a2b74e0f0c1cf9279b3b8e1249ff54320d4100e3b15f4f21c7cf22b93aa1b3f57c81affe4825179c200e5c7cd6ba4d930ebf6306f54fb0995b04af |
memory/4776-7-0x0000000000CE0000-0x0000000000D3B000-memory.dmp
memory/876-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/876-10-0x0000000000A60000-0x0000000000ABB000-memory.dmp
memory/4776-9-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4776-13-0x0000000000400000-0x000000000045B000-memory.dmp