Analysis Overview
SHA256
0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd
Threat Level: Known bad
The file 0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd 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
UPX packed file
Executes dropped EXE
Drops file in Program Files directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:36
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 18:36
Reported
2024-04-07 18:38
Platform
win7-20240215-en
Max time kernel
121s
Max time network
122s
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\racmzae.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\racmzae.exe | C:\Users\Admin\AppData\Local\Temp\0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\ttbtowf.dll | C:\PROGRA~3\Mozilla\racmzae.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\racmzae.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2968 wrote to memory of 2548 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
| PID 2968 wrote to memory of 2548 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
| PID 2968 wrote to memory of 2548 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
| PID 2968 wrote to memory of 2548 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd.exe
"C:\Users\Admin\AppData\Local\Temp\0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {F1600066-3CA8-44E8-8BD2-C4826F3D9BD4} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\racmzae.exe
C:\PROGRA~3\Mozilla\racmzae.exe -cddhnyc
Network
Files
memory/2316-0-0x0000000000400000-0x0000000000460000-memory.dmp
memory/2316-1-0x00000000005F0000-0x000000000064B000-memory.dmp
memory/2316-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2316-4-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\racmzae.exe
| MD5 | ddc20f973b240f911d7d145545fe5fe0 |
| SHA1 | 753a1b535869e9c14f7c774bed451e03614cec3c |
| SHA256 | 6488800ed3268ddf1ad4d959c71faa76bee4c4397dc4f36c54bf0fbcee08235b |
| SHA512 | 08b1279f253381cb88dc8eaa1d50c0bcaf5bdf1f89d8b9239d9fc4514c7846c9e9e5cd44b1b181f3198d4485de0546e4faa02112df69371be1f800a2f367a444 |
memory/2548-7-0x0000000000400000-0x0000000000460000-memory.dmp
memory/2548-8-0x0000000000460000-0x00000000004BB000-memory.dmp
memory/2548-9-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2548-11-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:36
Reported
2024-04-07 18:38
Platform
win10v2004-20231215-en
Max time kernel
92s
Max time network
121s
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\frviiqj.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\frviiqj.exe | C:\Users\Admin\AppData\Local\Temp\0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd.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\0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd.exe
"C:\Users\Admin\AppData\Local\Temp\0e315b51d15124a375a19a4631be8f01f2c1b314c427925d089b54c876a9bfdd.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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
Files
memory/2808-0-0x0000000000400000-0x0000000000460000-memory.dmp
memory/2808-1-0x00000000020A0000-0x00000000020FB000-memory.dmp
memory/2808-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2808-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2260-6-0x0000000000400000-0x0000000000460000-memory.dmp
C:\PROGRA~3\Mozilla\frviiqj.exe
| MD5 | 7f0ba54cda07efea43868267bd4aa83c |
| SHA1 | 70f44e063766e87fd0608399bdc9a1427abc23cc |
| SHA256 | a52fd99c98e17fbecb59e145c34acafa25eaf2fc3390b6943002e6ebd80fb4f4 |
| SHA512 | 7b265972dccf281e3a24c7509f2080c0399034922958fa891139eb5a5a4da5fa68f032ac84cc6c4bfdf0e991233d218c7d4f5dd6f87381d72dd9305a230527a9 |
memory/2260-11-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2260-10-0x0000000000D90000-0x0000000000DEB000-memory.dmp
memory/2808-9-0x00000000020A0000-0x00000000020FB000-memory.dmp
memory/2260-14-0x0000000000400000-0x000000000045B000-memory.dmp