Analysis Overview
SHA256
4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18
Threat Level: Likely malicious
The file 4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18 was found to be: Likely malicious.
Malicious Activity Summary
Event Triggered Execution: AppInit DLLs
Executes dropped EXE
Drops file in Program Files directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 22:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 22:06
Reported
2024-11-09 22:09
Platform
win7-20240903-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\vuhvodg.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\vuhvodg.exe | C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\zcwirze.dll | C:\PROGRA~3\Mozilla\vuhvodg.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\PROGRA~3\Mozilla\vuhvodg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\vuhvodg.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2040 wrote to memory of 1908 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\vuhvodg.exe |
| PID 2040 wrote to memory of 1908 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\vuhvodg.exe |
| PID 2040 wrote to memory of 1908 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\vuhvodg.exe |
| PID 2040 wrote to memory of 1908 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\vuhvodg.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe
"C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {6598E0A7-15C8-4C2B-9C91-978C5F927925} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\vuhvodg.exe
C:\PROGRA~3\Mozilla\vuhvodg.exe -nwlnhvb
Network
Files
memory/1924-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1924-1-0x00000000004D0000-0x000000000052B000-memory.dmp
memory/1924-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1924-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1924-5-0x00000000004D0000-0x000000000052B000-memory.dmp
C:\PROGRA~3\Mozilla\vuhvodg.exe
| MD5 | 12e2879b0cd955477cca7ab03bd56bb6 |
| SHA1 | 013675dcba2614b622860a7a8fffc4bfce163425 |
| SHA256 | 953173810ce10fb03aed3abd6e4bfda872cd42dca0639b54a9af8aa633b814bf |
| SHA512 | ce11e94d5e31b6c666d59daebed1a338944b6fd3204dc96b7b152de235fa88b391676a5a50e035737bb7a35df3ec5b80f911c699505e7f427b40c42d4dd725ad |
memory/1908-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1908-9-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1908-11-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 22:06
Reported
2024-11-09 22:09
Platform
win10v2004-20241007-en
Max time kernel
92s
Max time network
140s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\kifkuel.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\kifkuel.exe | C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\vrazdod.dll | C:\PROGRA~3\Mozilla\kifkuel.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\PROGRA~3\Mozilla\kifkuel.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe
"C:\Users\Admin\AppData\Local\Temp\4dbe2ea6934752b7bb9ab02740f5984c0d38db944c56631d27b69eeac56fdc18.exe"
C:\PROGRA~3\Mozilla\kifkuel.exe
C:\PROGRA~3\Mozilla\kifkuel.exe -dljjxbn
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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.209.201.84.in-addr.arpa | udp |
Files
memory/4112-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4112-1-0x0000000000630000-0x000000000068B000-memory.dmp
memory/4112-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4112-6-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\kifkuel.exe
| MD5 | 70ce56de7ba8f7cbbbe1717f4997ea57 |
| SHA1 | ca9aea708b91b6ca097ea6f596d572ab5991ca78 |
| SHA256 | 86d58056f73fa230ba90a6cfb5a4e0c81d7fda1d0932c94fb3674d519e8a303d |
| SHA512 | 843e7941d7028db4aa801d1cfc723417755ae7c3815148fb8e5466f3e2ce7166de02c5be36a9c19944245c7831eb0f28f1100eb54750187f7cb9075a5796c5b6 |
memory/1164-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1164-10-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4112-9-0x0000000000630000-0x000000000068B000-memory.dmp
memory/1164-13-0x0000000000400000-0x000000000045B000-memory.dmp