Analysis Overview
SHA256
8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10
Threat Level: Known bad
The file 8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10 was found to be: Known bad.
Malicious Activity Summary
Detects executables packed with ASPack
Detects executables packed with ASPack
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 23:13
Signatures
Detects executables packed with ASPack
| 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: behavioral2
Detonation Overview
Submitted
2024-04-07 23:13
Reported
2024-04-07 23:15
Platform
win10v2004-20231215-en
Max time kernel
145s
Max time network
149s
Command Line
Signatures
Detects executables packed with ASPack
| 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 |
| 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\frviiqj.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\frviiqj.exe | C:\Users\Admin\AppData\Local\Temp\8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\sjqrgse.dll | C:\PROGRA~3\Mozilla\frviiqj.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10.exe
"C:\Users\Admin\AppData\Local\Temp\8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10.exe"
C:\PROGRA~3\Mozilla\frviiqj.exe
C:\PROGRA~3\Mozilla\frviiqj.exe -myayasb
Network
| Country | Destination | Domain | Proto |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.141.182.52.in-addr.arpa | udp |
Files
memory/2192-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2192-1-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2192-2-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2192-3-0x00000000020B0000-0x000000000210B000-memory.dmp
memory/2192-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2192-9-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\frviiqj.exe
| MD5 | 7c5cd4db9b458f4373ce79da24f9ff74 |
| SHA1 | a639d5c3c5d3ffe28fc08799124962b550f1f7e1 |
| SHA256 | 23f98c904d6dc14cb42dfd5945944409b11f0a142c1940843887e3ce3e89bed7 |
| SHA512 | 23420a9f719ca0872b241902eeb041bbec5173674ec560cbac9dabd9fad4ef418743c233517b20b297cfc2d9be509b471975844382bd98a297b4e6c27e0dd8d3 |
memory/2192-10-0x00000000020B0000-0x000000000210B000-memory.dmp
memory/772-12-0x0000000000400000-0x000000000045E000-memory.dmp
memory/772-11-0x0000000000400000-0x000000000045E000-memory.dmp
memory/772-13-0x0000000000540000-0x000000000059B000-memory.dmp
memory/772-14-0x0000000000400000-0x000000000045B000-memory.dmp
memory/772-17-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 23:13
Reported
2024-04-07 23:15
Platform
win7-20240221-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Detects executables packed with ASPack
| 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 |
| 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\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\8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10.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\8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\dbilzqh.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1728 wrote to memory of 2612 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
| PID 1728 wrote to memory of 2612 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
| PID 1728 wrote to memory of 2612 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
| PID 1728 wrote to memory of 2612 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\dbilzqh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10.exe
"C:\Users\Admin\AppData\Local\Temp\8caeb50d631ef445fba537aa1765f1ab3ad07e2588f315841fd320c1b919dc10.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {D9809C36-5248-4AF7-8815-C30F44AF9FCA} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\dbilzqh.exe
C:\PROGRA~3\Mozilla\dbilzqh.exe -kwinamg
Network
Files
memory/2288-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2288-1-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2288-2-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2288-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2288-3-0x0000000000250000-0x00000000002AB000-memory.dmp
memory/2288-6-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\dbilzqh.exe
| MD5 | fd5c76540fb865119397689e1ce890e8 |
| SHA1 | 0f058b1ed1715ba5ceeb284a12928ea8879b2ee6 |
| SHA256 | 91b6cb4fe325c74f3d2f4b74db5891040fbddadcad3edca4a3bf2e4a19756f11 |
| SHA512 | e042b44b162d9518771aeb0f19c2a4288e059735e4daa0508bd5878bb2dc3985e57597e42b5e2ecbbe0d886dc9adc7dc5236a7ef0eefc4bd29e312acdc1b151b |
memory/2612-11-0x00000000003A0000-0x00000000003FB000-memory.dmp
memory/2612-12-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2612-14-0x0000000000400000-0x000000000045B000-memory.dmp