Analysis Overview
SHA256
3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384
Threat Level: Likely malicious
The file 3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384N was found to be: Likely malicious.
Malicious Activity Summary
Renames multiple (4641) files with added filename extension
Renames multiple (3165) files with added filename extension
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-20 03:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-20 03:24
Reported
2024-10-20 03:27
Platform
win7-20240903-en
Max time kernel
119s
Max time network
20s
Command Line
Signatures
Renames multiple (3165) files with added filename extension
Drops file in Program Files directory
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384N.exe
"C:\Users\Admin\AppData\Local\Temp\3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384N.exe"
Network
Files
C:\$Recycle.Bin\S-1-5-21-3063565911-2056067323-3330884624-1000\desktop.ini.tmp
| MD5 | ce92714066bde13e6bc72224818fe232 |
| SHA1 | 069200e1fd3bd664a138c90b095f17f1c5468268 |
| SHA256 | a79cdf677c8cba62f65e7f4c74fe460a65b5c5b488b7fbd77ce5faa14766da75 |
| SHA512 | 7b891ec0d018906b2622cb0674cf59a9d469da2185e317356b960794ce27c16eebd7d679b7e9e0e58fec09295bfec8d4d2e4e40d4fb6cfd3835745ea67e359dc |
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
| MD5 | 45bb866d8fb6d291631c40831b6e19a3 |
| SHA1 | f2bf6f74efee2ca21d357d96eb93d362d0b7de8c |
| SHA256 | fe2b05469409afebabd8f5ec90364a24a4d91315cf568d4d3e4976aeb8ce3e91 |
| SHA512 | 213a1a7d310b5883fed7cb663190be3e43b9856cea3c8ad72d5545bc92df2163e8e184dae40b9cc75ed0cd87ba36fa812f5a4cc756d7252fee6d7a378ead87b0 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-20 03:24
Reported
2024-10-20 03:27
Platform
win10v2004-20241007-en
Max time kernel
120s
Max time network
116s
Command Line
Signatures
Renames multiple (4641) files with added filename extension
Drops file in Program Files directory
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384N.exe
"C:\Users\Admin\AppData\Local\Temp\3b1cdaa96da09ad7a7b1bef18a76b96c0853d580e64c63227ca6c26601971384N.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
C:\$Recycle.Bin\S-1-5-21-4050598569-1597076380-177084960-1000\desktop.ini.tmp
| MD5 | d245b6ec718873173aa7eb280ee0022d |
| SHA1 | 348370da4bbe161748ac0c9d284955a13ce6d1a4 |
| SHA256 | 8f76797c8e7e2152847717530af25a828ce0bbbc15d46775d13720ee2ec3e6a9 |
| SHA512 | deb7a2cfb03000011dffae2c90186ee09ebcf22406171125864e6b68f0f54be7bfca1dbb4b19c3ad68f739085addf53aad7cf44d46cb1b5e2d5bf84afa52fb18 |
C:\Program Files\7-Zip\7-zip.dll.tmp
| MD5 | 26738be253b7a64c1dda9a761d167bc1 |
| SHA1 | ada25c9c4f2ca1206e8310223ab69a1cb8462e17 |
| SHA256 | e691826f04e8801ab140cb465f27b97d8be9db468dc81e6e121b95868e5f5dd8 |
| SHA512 | a09bdb02ff767145ce1df44d8364b4c50a4afd1a076bfc7976f198f03e578e108afdd7808899b9f69f18012c62ebee67506fe8e9a5e72de56d284f4e56d4c614 |