Analysis Overview
SHA256
86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090
Threat Level: Known bad
The file 86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090 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
Executes dropped EXE
UPX packed file
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 23:00
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
2024-04-07 23:00
Reported
2024-04-07 23:03
Platform
win7-20240221-en
Max time kernel
122s
Max time network
138s
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\mgbxiii.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\mgbxiii.exe | C:\Users\Admin\AppData\Local\Temp\86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\iudaoda.dll | C:\PROGRA~3\Mozilla\mgbxiii.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\mgbxiii.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3040 wrote to memory of 2628 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\mgbxiii.exe |
| PID 3040 wrote to memory of 2628 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\mgbxiii.exe |
| PID 3040 wrote to memory of 2628 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\mgbxiii.exe |
| PID 3040 wrote to memory of 2628 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\mgbxiii.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090.exe
"C:\Users\Admin\AppData\Local\Temp\86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {AA68100D-7F91-428A-8896-1CECAF2F46E1} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\mgbxiii.exe
C:\PROGRA~3\Mozilla\mgbxiii.exe -ccvrhxi
Network
Files
memory/2216-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2216-1-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2216-2-0x0000000000250000-0x00000000002AB000-memory.dmp
memory/2216-4-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\mgbxiii.exe
| MD5 | 0112c6cfb1e3a8b3dcd3c3c2cbb1bc92 |
| SHA1 | 5fb06dc9cd1d87ee0f2ef9fdfa2a2a023f31dcf5 |
| SHA256 | 3609dfb4da5fe710fa7adf942ea2b10b983119bbd1a2a4e6eafe2414568807fe |
| SHA512 | c0164091b20e0e05cc78342692526fcfd09a6e551ac50a70d2fba66d8931085fb0770b8965a4bfd5aeaf1aacd4580552cdc63c1f869e882b7400134c8d0635f9 |
memory/2628-7-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2628-8-0x0000000000310000-0x000000000036B000-memory.dmp
memory/2628-9-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2628-11-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 23:00
Reported
2024-04-07 23:02
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
150s
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\gfuniul.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\gfuniul.exe | C:\Users\Admin\AppData\Local\Temp\86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\kzlcazd.dll | C:\PROGRA~3\Mozilla\gfuniul.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090.exe
"C:\Users\Admin\AppData\Local\Temp\86ebfcd811dd3454885c62eec4f63d3d7e7da5c001e04bd0a2a65628c8bfb090.exe"
C:\PROGRA~3\Mozilla\gfuniul.exe
C:\PROGRA~3\Mozilla\gfuniul.exe -lfdzfzd
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2952-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2952-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2952-1-0x0000000000630000-0x000000000068B000-memory.dmp
C:\PROGRA~3\Mozilla\gfuniul.exe
| MD5 | e42b1cfc36530cd40b2f4f94ea2ee7cc |
| SHA1 | 5d160420121d91f7662a8f6e7d49473b92105270 |
| SHA256 | d2ecfc2cea914cc3d3d35180110f941ddf573b0f646224a0cf83b30381bc4c5f |
| SHA512 | 3c71d763df61bac92e4bb93bd0b8cd6525b3eb790440b60caedb96fba8be3dabd6a3fd08a52460a266a7bff714249ab4bb5ba313ae9b23003424a567691a5222 |
memory/2952-7-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2284-9-0x00000000008C0000-0x000000000091B000-memory.dmp
memory/2952-8-0x0000000000630000-0x000000000068B000-memory.dmp
memory/2284-10-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2284-13-0x00000000008C0000-0x000000000091B000-memory.dmp
memory/2284-14-0x0000000000400000-0x000000000045B000-memory.dmp