Analysis Overview
SHA256
82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5
Threat Level: Known bad
The file 82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5 was found to be: Known bad.
Malicious Activity Summary
Detects executables packed with ASPack
Detects executables packed with ASPack
Modifies AppInit DLL entries
ASPack v2.12-2.42
Executes dropped EXE
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
2024-05-09 00:53
Signatures
Detects executables packed with ASPack
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ASPack v2.12-2.42
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 00:53
Reported
2024-05-09 00:56
Platform
win7-20240508-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Detects executables packed with ASPack
| 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 |
| 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
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\gugcane.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\gugcane.exe | C:\Users\Admin\AppData\Local\Temp\82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\zynbtfl.dll | C:\PROGRA~3\Mozilla\gugcane.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\gugcane.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2648 wrote to memory of 3044 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gugcane.exe |
| PID 2648 wrote to memory of 3044 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gugcane.exe |
| PID 2648 wrote to memory of 3044 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gugcane.exe |
| PID 2648 wrote to memory of 3044 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\gugcane.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5.exe
"C:\Users\Admin\AppData\Local\Temp\82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {4E1FA062-DDC1-4D87-9369-4D362D71C681} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\gugcane.exe
C:\PROGRA~3\Mozilla\gugcane.exe -eoikpie
Network
Files
memory/2928-1-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2928-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2928-2-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2928-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2928-3-0x0000000000260000-0x00000000002BB000-memory.dmp
memory/2928-6-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\gugcane.exe
| MD5 | 45b5501528e775d53e671df40f43699a |
| SHA1 | 403bca161c1e3aa99d7229155d46aec0d571d7d6 |
| SHA256 | 1d0ae605a3ee22b328827592561fca70ceee68f7a066044a2969b137fc5dc632 |
| SHA512 | bd999ab0cce142c927fccaf53a5cc1f11d9d1012757dcdb80758bfb228ae54fafea3bbedbe4621f890ecca2d453e769508953af7405171bf76ab3691a61a0abc |
memory/3044-9-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3044-10-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3044-11-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3044-12-0x00000000004D0000-0x000000000052B000-memory.dmp
memory/3044-13-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3044-15-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 00:53
Reported
2024-05-09 00:56
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detects executables packed with ASPack
| 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 |
| 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
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\ykjyebb.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\ykjyebb.exe | C:\Users\Admin\AppData\Local\Temp\82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\pjitnjk.dll | C:\PROGRA~3\Mozilla\ykjyebb.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5.exe
"C:\Users\Admin\AppData\Local\Temp\82347e873828be07ca4eb76a971467fa77146f088e6111a82b34b06a55a8b7e5.exe"
C:\PROGRA~3\Mozilla\ykjyebb.exe
C:\PROGRA~3\Mozilla\ykjyebb.exe -aryugnm
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.173.189.20.in-addr.arpa | udp |
Files
memory/2824-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2824-3-0x0000000000610000-0x000000000066B000-memory.dmp
memory/2824-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2824-2-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2824-1-0x0000000000400000-0x000000000045E000-memory.dmp
C:\ProgramData\Mozilla\ykjyebb.exe
| MD5 | 50d9452d9e394a0336a6065a9cc2424f |
| SHA1 | 24b4fd80287b8e3fbc3e6ef7643eb08d7d22d2f0 |
| SHA256 | ec5901b2af0aabedcbae6fdb5d09a093fa0907ae7a04a5a0db088efb5d805634 |
| SHA512 | 662610205d5807032378c41f2b15443244b43d163c12b3fdd455c9ba0d6e2bbd5a2096ca10315a54cb7d7808859035147d71fdf90a8d44800f5afbc0c01a8b28 |
memory/2372-9-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2372-8-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2372-11-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2372-10-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2372-12-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2824-14-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2372-17-0x0000000000400000-0x000000000045B000-memory.dmp