Analysis Overview
SHA256
694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4
Threat Level: Known bad
The file 694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4 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
2024-04-06 21:55
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: behavioral2
Detonation Overview
Submitted
2024-04-06 21:55
Reported
2024-04-06 21:57
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
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\ktyqhhb.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\ktyqhhb.exe | C:\Users\Admin\AppData\Local\Temp\694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\ixnvdrc.dll | C:\PROGRA~3\Mozilla\ktyqhhb.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4.exe
"C:\Users\Admin\AppData\Local\Temp\694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4.exe"
C:\PROGRA~3\Mozilla\ktyqhhb.exe
C:\PROGRA~3\Mozilla\ktyqhhb.exe -arwhcpc
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.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 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
memory/4036-0-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4036-1-0x00000000020B0000-0x000000000210B000-memory.dmp
memory/4036-2-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\ktyqhhb.exe
| MD5 | 57d488e9c79253e16073c3e0022d75a7 |
| SHA1 | 22300ebf7ba4dc000d3b64b2c9d7b9f2e08e038a |
| SHA256 | 925b43a4be05323bd97e12f11c03e2aa1c85f8c3a1babf58eb5a979e404e4cab |
| SHA512 | d7029211611f52759591b3542a2b3dabf143ad8bf5dc1ef15fef3763286e72c03a85346c456ceb86bdd2cf998fe8490c83d842e463075f6ad89aa2b2af664316 |
memory/4512-6-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4512-7-0x00000000008A0000-0x00000000008FB000-memory.dmp
memory/4512-8-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4036-10-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4036-11-0x00000000020B0000-0x000000000210B000-memory.dmp
memory/4512-14-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4512-15-0x00000000008A0000-0x00000000008FB000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 21:55
Reported
2024-04-06 21:57
Platform
win7-20240221-en
Max time kernel
121s
Max time network
123s
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\gjsfhjk.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\gjsfhjk.exe | C:\Users\Admin\AppData\Local\Temp\694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\eurgebe.dll | C:\PROGRA~3\Mozilla\gjsfhjk.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\gjsfhjk.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2420 wrote to memory of 2028 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
| PID 2420 wrote to memory of 2028 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
| PID 2420 wrote to memory of 2028 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
| PID 2420 wrote to memory of 2028 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gjsfhjk.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4.exe
"C:\Users\Admin\AppData\Local\Temp\694dcfbc05750401f5e9d6284619b4f89f64a5cfa489a301e556cd814f8072b4.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {A25644CA-8161-49DB-958D-9A5745E23C72} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\gjsfhjk.exe
C:\PROGRA~3\Mozilla\gjsfhjk.exe -tuxiydl
Network
Files
memory/2208-1-0x0000000000260000-0x00000000002BB000-memory.dmp
memory/2208-0-0x0000000000400000-0x000000000045F000-memory.dmp
memory/2208-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2208-4-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\gjsfhjk.exe
| MD5 | 173c0d699e875d30e9b3c732a91abcc6 |
| SHA1 | 0b94c879e23fc9f5ad46a9cf31cdbb3cd82247fd |
| SHA256 | 52132f1b94641f30a163ddf68cdbaddb2ecec8e31ce3bf4d2154eba985812e68 |
| SHA512 | b7cd11bc90121b0a55f337d9108eb73ee88ec09c8cb1ff473a5be6aeb045223aacbfc14d97ac53de0e9cafa4f2cce2964f8c00030cda64e74f536da542694b5c |
memory/2028-7-0x0000000000400000-0x000000000045F000-memory.dmp
memory/2028-8-0x00000000002E0000-0x000000000033B000-memory.dmp
memory/2028-9-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2028-11-0x0000000000400000-0x000000000045B000-memory.dmp