Analysis Overview
SHA256
de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038
Threat Level: Known bad
The file de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe was found to be: Known bad.
Malicious Activity Summary
Xloader family
Xloader
Xloader payload
Loads dropped DLL
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Enumerates physical storage devices
System Location Discovery: System Language Discovery
NSIS installer
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-20 22:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-20 22:49
Reported
2024-11-20 22:52
Platform
win7-20240903-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Xloader
Xloader family
Xloader payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2900 set thread context of 2260 | N/A | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe |
Enumerates physical storage devices
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\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"
C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nsd9FE8.tmp\oirygpbyia.dll
| MD5 | 6d2a0ca8aac6594e4f037d3cecdace3b |
| SHA1 | 2fdc815752d2483ae536ed60dd2104b0e5cc2abd |
| SHA256 | f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468 |
| SHA512 | cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee |
memory/2900-8-0x0000000010009000-0x000000001000B000-memory.dmp
memory/2260-9-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-20 22:49
Reported
2024-11-20 22:52
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
136s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.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\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3756 wrote to memory of 3216 | N/A | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe |
| PID 3756 wrote to memory of 3216 | N/A | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe |
| PID 3756 wrote to memory of 3216 | N/A | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe | C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"
C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3756 -ip 3756
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 960
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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsy901B.tmp\oirygpbyia.dll
| MD5 | 6d2a0ca8aac6594e4f037d3cecdace3b |
| SHA1 | 2fdc815752d2483ae536ed60dd2104b0e5cc2abd |
| SHA256 | f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468 |
| SHA512 | cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee |
memory/3756-7-0x0000000010009000-0x000000001000B000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-20 22:49
Reported
2024-11-20 22:52
Platform
win7-20240903-en
Max time kernel
146s
Max time network
118s
Command Line
Signatures
Xloader
Xloader family
Xloader payload
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 348 set thread context of 1372 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1372 set thread context of 1216 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
| PID 2264 set thread context of 1216 | N/A | C:\Windows\SysWOW64\wuapp.exe | C:\Windows\Explorer.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\wuapp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wuapp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wuapp.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wuapp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\rundll32.exe"
Network
Files
memory/348-0-0x0000000010009000-0x000000001000B000-memory.dmp
memory/1372-1-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1372-2-0x0000000002260000-0x0000000002563000-memory.dmp
memory/1372-5-0x0000000000130000-0x0000000000141000-memory.dmp
memory/1372-4-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1216-6-0x0000000004E50000-0x0000000004F1D000-memory.dmp
memory/2264-8-0x00000000009E0000-0x00000000009EB000-memory.dmp
memory/2264-7-0x00000000009E0000-0x00000000009EB000-memory.dmp
memory/2264-9-0x00000000000D0000-0x00000000000F9000-memory.dmp
memory/1216-10-0x0000000004E50000-0x0000000004F1D000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-20 22:49
Reported
2024-11-20 22:52
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
140s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1000 wrote to memory of 4216 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1000 wrote to memory of 4216 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1000 wrote to memory of 4216 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4216 wrote to memory of 4424 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4216 wrote to memory of 4424 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4216 wrote to memory of 4424 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4216 wrote to memory of 4424 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4216 -ip 4216
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 656
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 | 64.159.190.20.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 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/4216-0-0x0000000010009000-0x000000001000B000-memory.dmp