Analysis Overview
SHA256
12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26
Threat Level: Likely malicious
The file 12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26 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
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:44
Reported
2024-04-07 18:46
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\gjsfhjk.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\gjsfhjk.exe | C:\Users\Admin\AppData\Local\Temp\12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\eurgebe.dll | C:\PROGRA~3\Mozilla\gjsfhjk.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2624 wrote to memory of 2304 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
| PID 2624 wrote to memory of 2304 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
| PID 2624 wrote to memory of 2304 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
| PID 2624 wrote to memory of 2304 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26.exe
"C:\Users\Admin\AppData\Local\Temp\12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {6822F5DC-3970-4455-A0A4-302D5543153A} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\gjsfhjk.exe
C:\PROGRA~3\Mozilla\gjsfhjk.exe -tuxiydl
Network
Files
memory/2212-2-0x0000000000400000-0x0000000000465000-memory.dmp
memory/2212-1-0x0000000000400000-0x0000000000465000-memory.dmp
memory/2212-0-0x0000000000400000-0x0000000000465000-memory.dmp
memory/2212-5-0x0000000000320000-0x0000000000321000-memory.dmp
memory/2212-7-0x0000000000400000-0x0000000000465000-memory.dmp
C:\PROGRA~3\Mozilla\gjsfhjk.exe
| MD5 | 4ff187bd0be137f7b288ea29484a9c99 |
| SHA1 | 572abd3b0eac63118e1667d9535021f187a738d8 |
| SHA256 | a581a17ae6b14b61eb7b8fe4117c9ff66e03122f47ac5b3228d51606e4433533 |
| SHA512 | bab14a1f3865f11912662b3c56b43c04af6195031ad67e92b1b4d7495c6e89a7d87b94ae57929a06347fc06011c7fd179d66b802aac1b08d96e5f4b504369cd9 |
memory/2304-10-0x0000000000400000-0x0000000000465000-memory.dmp
memory/2304-16-0x0000000000400000-0x0000000000465000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:44
Reported
2024-04-07 18:46
Platform
win10v2004-20231215-en
Max time kernel
92s
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\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\12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26.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\12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26.exe
"C:\Users\Admin\AppData\Local\Temp\12321f6d370d04a063b5ad5409373134b655cfa1055442af878cd9edcd8fbd26.exe"
C:\PROGRA~3\Mozilla\frviiqj.exe
C:\PROGRA~3\Mozilla\frviiqj.exe -myayasb
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.56.20.217.in-addr.arpa | udp |
Files
memory/4796-1-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4796-0-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4796-2-0x00000000001E0000-0x00000000001E1000-memory.dmp
memory/4796-3-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4796-9-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4944-10-0x0000000000400000-0x0000000000465000-memory.dmp
C:\PROGRA~3\Mozilla\frviiqj.exe
| MD5 | 6ab6e181f87fb5df54a5a182c80f8aa6 |
| SHA1 | 66b01b1fdab24756aea376a9b7e2f1556bff6802 |
| SHA256 | 394a50ef4bdc2250948e1b39e2361a14019be3b7c87e173f07bfe2e5a19220ed |
| SHA512 | 350a0f592904c9bd34bfa39b03a10e77ded41ff41a02ea2a0d2b62651ab33faf6fcf9a3a8af7b13cd6b5653065052405799f304630f47e114191b176d8495f0d |
memory/4944-11-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4944-12-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4944-16-0x0000000000400000-0x0000000000465000-memory.dmp