Analysis Overview
SHA256
8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b
Threat Level: Shows suspicious behavior
The file 8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-26 03:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-26 03:49
Reported
2024-05-26 03:51
Platform
win7-20240419-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\gewos.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | N/A |
Enumerates physical storage devices
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\gewos.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2940 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | C:\Users\Admin\AppData\Local\Temp\gewos.exe |
| PID 2940 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | C:\Users\Admin\AppData\Local\Temp\gewos.exe |
| PID 2940 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | C:\Users\Admin\AppData\Local\Temp\gewos.exe |
| PID 2940 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | C:\Users\Admin\AppData\Local\Temp\gewos.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe
"C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe"
C:\Users\Admin\AppData\Local\Temp\gewos.exe
"C:\Users\Admin\AppData\Local\Temp\gewos.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | nasap.net | udp |
| US | 35.212.119.5:443 | nasap.net | tcp |
Files
memory/2940-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp
memory/2940-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2940-8-0x0000000001CE0000-0x0000000001CE6000-memory.dmp
\Users\Admin\AppData\Local\Temp\gewos.exe
| MD5 | 18069b46fa447c3e07ed33ff887a08b2 |
| SHA1 | 0988e7fd7fa657091bfd0090ac9bfb303d37041e |
| SHA256 | a0d75c0519336769baa64e6ceab9631f9485928584c6845731641efd52259cf4 |
| SHA512 | b78e0f1c685b0baf38d3b793579fb9369ad23872512cdda8a9fe8d34a492e51bd8e633a206a8c573d5904a8dce48faac38462f84e6271ab056328e47b1e34de4 |
memory/2072-16-0x0000000000280000-0x0000000000286000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-26 03:49
Reported
2024-05-26 03:51
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\gewos.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\gewos.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2708 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | C:\Users\Admin\AppData\Local\Temp\gewos.exe |
| PID 2708 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | C:\Users\Admin\AppData\Local\Temp\gewos.exe |
| PID 2708 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe | C:\Users\Admin\AppData\Local\Temp\gewos.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe
"C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe"
C:\Users\Admin\AppData\Local\Temp\gewos.exe
"C:\Users\Admin\AppData\Local\Temp\gewos.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nasap.net | udp |
| US | 35.212.119.5:443 | nasap.net | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.119.212.35.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.21.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.17.178.52.in-addr.arpa | udp |
Files
memory/2708-0-0x00000000007C0000-0x00000000007C6000-memory.dmp
memory/2708-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2708-8-0x00000000007C0000-0x00000000007C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gewos.exe
| MD5 | 18069b46fa447c3e07ed33ff887a08b2 |
| SHA1 | 0988e7fd7fa657091bfd0090ac9bfb303d37041e |
| SHA256 | a0d75c0519336769baa64e6ceab9631f9485928584c6845731641efd52259cf4 |
| SHA512 | b78e0f1c685b0baf38d3b793579fb9369ad23872512cdda8a9fe8d34a492e51bd8e633a206a8c573d5904a8dce48faac38462f84e6271ab056328e47b1e34de4 |
memory/2676-25-0x0000000002090000-0x0000000002096000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gewosik.exe
| MD5 | 40d343a73722f72616e709f6e0ccbb55 |
| SHA1 | 4b85714688e285c16f2c917e585567d727af12bf |
| SHA256 | a136a03ce706abc14f553c9fc3353a6a476f8102c3dea6192b575fbeb496b805 |
| SHA512 | 3bc3363cb51c100ce7f4e93303554887f4310cd814d985e79bb1cb185e5159024f446a54439d52a3992129892fbedfe69e1c5abe9f314f300741e93d30d4c8f9 |