Analysis Overview
SHA256
40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca
Threat Level: Shows suspicious behavior
The file 40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca was found to be: Shows suspicious behavior.
Malicious Activity Summary
Enumerates connected drives
Drops file in Windows directory
Drops file in Program Files directory
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 23:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 23:06
Reported
2024-11-09 23:09
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Enumerates connected drives
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\rundl132.exe | C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe |
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\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\net.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\net1.exe | N/A |
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe
"C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe"
C:\Windows\SysWOW64\net.exe
net stop "Kingsoft AntiVirus Service"
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 188
Network
Files
memory/3060-0-0x0000000000400000-0x0000000000437000-memory.dmp
memory/1216-5-0x0000000002A20000-0x0000000002A21000-memory.dmp
memory/3060-7-0x0000000000400000-0x0000000000437000-memory.dmp
F:\$RECYCLE.BIN\S-1-5-21-1488793075-819845221-1497111674-1000\_desktop.ini
| MD5 | 577b020fd4f1c33364f7dc1b6a15b5e0 |
| SHA1 | 0a39afa020279d2ae46b302efe9dfd550e822709 |
| SHA256 | e22c9759bcf5bc35063c6c048e109883f070723446b9ed5d16e70c48ca526bb9 |
| SHA512 | c7b8e4478ddc648c13acd21b16fa7397fad334d7710e3d91f4069fcd7d5a4f3d8c542c46eb3843c4dbc8d862bf03a50d1ad641e725f53382a73a9ac4ec035f48 |
memory/3060-14-0x0000000000400000-0x0000000000437000-memory.dmp
memory/3060-20-0x0000000000400000-0x0000000000437000-memory.dmp
memory/3060-29-0x0000000000400000-0x0000000000437000-memory.dmp
memory/3060-30-0x0000000000400000-0x0000000000437000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 23:06
Reported
2024-11-09 23:09
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
155s
Command Line
Signatures
Enumerates connected drives
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\rundl132.exe | C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe |
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\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\net.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\net1.exe | N/A |
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe
"C:\Users\Admin\AppData\Local\Temp\40815a63178d87d4fbdbf6053e008ab18175840da80c5264826898d4112579ca.exe"
C:\Windows\SysWOW64\net.exe
net stop "Kingsoft AntiVirus Service"
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4016 -ip 4016
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 572
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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/4016-0-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4016-5-0x0000000000400000-0x0000000000437000-memory.dmp
F:\$RECYCLE.BIN\S-1-5-21-940901362-3608833189-1915618603-1000\_desktop.ini
| MD5 | 577b020fd4f1c33364f7dc1b6a15b5e0 |
| SHA1 | 0a39afa020279d2ae46b302efe9dfd550e822709 |
| SHA256 | e22c9759bcf5bc35063c6c048e109883f070723446b9ed5d16e70c48ca526bb9 |
| SHA512 | c7b8e4478ddc648c13acd21b16fa7397fad334d7710e3d91f4069fcd7d5a4f3d8c542c46eb3843c4dbc8d862bf03a50d1ad641e725f53382a73a9ac4ec035f48 |
memory/4016-13-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4016-18-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4016-22-0x0000000000400000-0x0000000000437000-memory.dmp
C:\Program Files\dotnet\dotnet.exe
| MD5 | 47cf239df9f7a0f35e6a33cdf9a59003 |
| SHA1 | b6e0739c62ff7735cd18b46345df66f3a3eb8f50 |
| SHA256 | f610fd4a75119a00b1023c2ec220845173848e2bd41e49fc311e33b932915aa5 |
| SHA512 | 67f5b2b61b7933243995787c46b3f9e65cb2cae5980e7e6a3e0ea7b8a3f2b14b15d4c5f1f89add5bfd6c2953f580738a0497b82b29c45ebd3c4c49c95f1350bf |
memory/4016-160-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4016-161-0x0000000000400000-0x0000000000437000-memory.dmp