Analysis Overview
SHA256
637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdff
Threat Level: Likely malicious
The file 637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdffN was found to be: Likely malicious.
Malicious Activity Summary
Renames multiple (3186) files with added filename extension
Renames multiple (4346) files with added filename extension
UPX packed file
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
2024-10-19 20:44
Signatures
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 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-19 20:44
Reported
2024-10-19 20:46
Platform
win10v2004-20241007-en
Max time kernel
120s
Max time network
106s
Command Line
Signatures
Renames multiple (4346) files with added filename extension
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 |
| N/A | N/A | N/A | N/A |
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\637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdffN.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdffN.exe
"C:\Users\Admin\AppData\Local\Temp\637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdffN.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.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 | 102.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/4808-0-0x0000000000400000-0x000000000040B000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-1045960512-3948844814-3059691613-1000\desktop.ini.tmp
| MD5 | 84c394a63f694785ba2edde33be6f37f |
| SHA1 | 023fae8497b80fcfb3a4b3d92eeff24a984b6b32 |
| SHA256 | fd0bd0fbde34422479f82f06ed7a031cf8b423a1c694154fbbe4ccd5a30a9ea7 |
| SHA512 | 37a2a119fe648d31afe41def53f6a7cd4abac9c12e951d0920c87353a498a2500932b669a45c1ca9be6828142c09dd5f4545a0afb06be69c10642942f6863763 |
C:\Program Files\7-Zip\7-zip.dll.tmp
| MD5 | 681496eb971011c3b12d7b03c5b3f767 |
| SHA1 | 74499a6bb494c35b7a852946d8ab596dba02cc1e |
| SHA256 | d5a2f3e8d66bc19627ceb9732f23409c9ed7144eb7ce544f441455147cd5eb82 |
| SHA512 | e2acd58b9e84a28d53e704cdea8636b1bc5b0e6aee176a59c15a273945b8e54fd6813ecb8c8b3d52875d680ea34fdfbd1fa3c82b7053866515ff20e30f0d3e9e |
memory/4808-658-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-19 20:44
Reported
2024-10-19 20:46
Platform
win7-20240903-en
Max time kernel
120s
Max time network
16s
Command Line
Signatures
Renames multiple (3186) files with added filename extension
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 |
| N/A | N/A | N/A | N/A |
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\637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdffN.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdffN.exe
"C:\Users\Admin\AppData\Local\Temp\637d8d89e7741348896143b14a3b5facf750a4cda4fe2de1d8ee32869497bdffN.exe"
Network
Files
memory/2288-0-0x0000000000400000-0x000000000040B000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini.tmp
| MD5 | 6c0ff29b51f3634145e027fd55e0bbf6 |
| SHA1 | 21a9c61d95c2fabf271fff43d4b19e6a366bdd5b |
| SHA256 | 7d62cc4794dfb5ad73806673c9d461c0effb274d2006b5a6d6827329eeaeebf4 |
| SHA512 | cf90daf6519ad8d197f03a1507fadcfa8468e1c36156993f75a2b481942fe1fdd444fb4ec82a002843b52645d7cb618339346e8c13e70a75dd6abb6f810d0e3f |
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
| MD5 | ab0631e80a65ff5983cab15406c49486 |
| SHA1 | cb61c5856e1decfea135e3ab825ed15c26858a69 |
| SHA256 | a7bcae4085d300d4670dc64ed7369df305636951d045846b6c93038255a593aa |
| SHA512 | 0b8976d3d6a1d91466807b7c8cd5528543795314163862ab6d794a53673eba067c27c7feb8326522dae46eab899f225c2b5078635d4d91e9a2667b84937100b9 |
memory/2288-70-0x0000000000400000-0x000000000040B000-memory.dmp