Analysis Overview
SHA256
45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0
Threat Level: Known bad
The file 45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0 was found to be: Known bad.
Malicious Activity Summary
Detects executables packed with VMProtect.
Detects executables packed with VMProtect.
Modifies AppInit DLL entries
VMProtect 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
2024-05-13 20:53
Signatures
Detects executables packed with VMProtect.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
VMProtect 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-13 20:53
Reported
2024-05-13 20:56
Platform
win7-20240220-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Detects executables packed with VMProtect.
| 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 |
VMProtect 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\45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0.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\45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0.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 |
Processes
C:\Users\Admin\AppData\Local\Temp\45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0.exe
"C:\Users\Admin\AppData\Local\Temp\45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0.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/1724-0-0x0000000000400000-0x00000000009AA000-memory.dmp
memory/1724-3-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1724-2-0x0000000000250000-0x00000000002AB000-memory.dmp
memory/1724-5-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\wrvdfyg.exe
| MD5 | 10045e319b4319a4dc1b3c66372f9d42 |
| SHA1 | 9e5494414d96beded61b25eac9eb097f8a5128f3 |
| SHA256 | 50fe7bfce49f54fdaaf7e92eacdec0feb5816379389f47f68a0bdde734a2acb8 |
| SHA512 | 256be9162da3a0f3bd7c10da78bc32cdcca5971bec1940a4a84ca5ccf985f4b17bbe45702099238ac00665f77d052e085c9296abe64bae9b03bb0f0fa128dd4c |
memory/1316-8-0x0000000000400000-0x00000000009AA000-memory.dmp
memory/1316-11-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1316-10-0x00000000009B0000-0x0000000000A0B000-memory.dmp
memory/1316-13-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-13 20:53
Reported
2024-05-13 20:56
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Detects executables packed with VMProtect.
| 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\wjkphye.exe | N/A |
VMProtect 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\wjkphye.exe | C:\Users\Admin\AppData\Local\Temp\45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\cqrorok.dll | C:\PROGRA~3\Mozilla\wjkphye.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0.exe
"C:\Users\Admin\AppData\Local\Temp\45bc3d976ceeb44d4cedc5482b8cd34f5941970170fda68ecaf4d72508368da0.exe"
C:\PROGRA~3\Mozilla\wjkphye.exe
C:\PROGRA~3\Mozilla\wjkphye.exe -srbnrsa
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.28.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2240-0-0x0000000000400000-0x00000000009AA000-memory.dmp
memory/2240-3-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2240-2-0x0000000002610000-0x000000000266B000-memory.dmp
C:\ProgramData\Mozilla\wjkphye.exe
| MD5 | b472f72f9a5bf5fe237cbfae6e8b97b5 |
| SHA1 | 15e11bcb9f8dda0b7524f0844b253505d478e33e |
| SHA256 | 73c93ea38c0ed2582d2ed6341f5e2dc8212e5c316db753ef5c81a448362777b6 |
| SHA512 | b4534230ff288969e4005fd09c1163f6768be6d671be4c5c028ca8a1d2a75fd460710a35109d14b998148bfa952e686e801ea5eca7cf761702618296f162ec2c |
memory/2240-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4644-9-0x0000000000400000-0x00000000009AA000-memory.dmp
memory/4644-11-0x0000000000400000-0x00000000009AA000-memory.dmp
memory/4644-12-0x0000000000400000-0x00000000009AA000-memory.dmp
memory/4644-15-0x0000000000400000-0x000000000045B000-memory.dmp