Analysis Overview
SHA256
215b3350b74a68b685582e93b42c4763c6626df94cc2243281bf997d7d83d581
Threat Level: Known bad
The file 971548addc373b70e70c748ddb279cfd was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
UPX packed file
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-12 11:48
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: behavioral1
Detonation Overview
Submitted
2024-02-12 11:48
Reported
2024-02-12 11:51
Platform
win7-20231215-en
Max time kernel
149s
Max time network
123s
Command Line
Signatures
Detect XtremeRAT 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 |
| 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 |
XtremeRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\372mYNET.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchostei.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\372mYNET.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\372mYNET.EXE | N/A |
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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU Key = "C:\\Users\\Admin\\AppData\\Roaming\\svchostei.exe" | C:\Users\Admin\AppData\Roaming\svchostei.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM Key = "C:\\Users\\Admin\\AppData\\Roaming\\svchostei.exe" | C:\Users\Admin\AppData\Roaming\svchostei.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\zorluadm.dll | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| File created | C:\Windows\SysWOW64\372mYNET.EXE.exe | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| File created | C:\Windows\SysWOW64\372mYNET.EXE | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 776 set thread context of 2284 | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe
"C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe"
C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe
C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Windows\SysWOW64\372mYNET.EXE
"C:\Windows\system32\372mYNET.EXE"
C:\Users\Admin\AppData\Roaming\svchostei.exe
"C:\Users\Admin\AppData\Roaming\svchostei.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | stabilhayko.no-ip.org | udp |
Files
memory/776-0-0x0000000000400000-0x0000000000506800-memory.dmp
\Windows\SysWOW64\zorluadm.dll
| MD5 | df5c622697dc8c743f3884914a9e4d99 |
| SHA1 | cdfc6345080dfa9c45d323f15532ad9274385d2f |
| SHA256 | 0ca52bc5cf854e274e15ba07df97b2e75ec4e1fc2d90f23676da7fa3c95da089 |
| SHA512 | 59867bb9608c250661a6eb823f06c907d334eb4f638b04f21cf10213e5163035c37261f5213642c703dd382871a5d3ae764839c1b93e18e833d85ac0e3409f90 |
memory/2284-6-0x0000000010000000-0x000000001004D000-memory.dmp
memory/776-11-0x0000000000400000-0x0000000000506800-memory.dmp
memory/2284-10-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2284-9-0x0000000000400000-0x0000000000506800-memory.dmp
memory/776-8-0x0000000002E50000-0x0000000002F57000-memory.dmp
memory/2284-7-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2284-12-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2144-13-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2144-15-0x0000000010000000-0x000000001004D000-memory.dmp
\Windows\SysWOW64\372mYNET.EXE
| MD5 | 6752d654cbaf37dc2ca6539019f62ba3 |
| SHA1 | 1db60d9831fa818a39b60b6843f2dc431110ca4c |
| SHA256 | 1021676e9ed6507fe9d814b2b65fc613812fc3e89fbf7b17ba06f792663a985f |
| SHA512 | 2d595f14a0b16218176f5916960184d8dd2b51bf040086d3b8c2bff93c08159973bd3d40ff7c6de9206780e9b7d1bd9a4fcd9d206aa42548d84e3aadca254c2f |
memory/2284-26-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2144-37-0x0000000010000000-0x000000001004D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-12 11:48
Reported
2024-02-12 11:51
Platform
win10v2004-20231222-en
Max time kernel
146s
Max time network
148s
Command Line
Signatures
Detect XtremeRAT 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 |
| 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 |
XtremeRAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\372mYNET.EXE | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\372mYNET.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchostei.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU Key = "C:\\Users\\Admin\\AppData\\Roaming\\svchostei.exe" | C:\Users\Admin\AppData\Roaming\svchostei.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM Key = "C:\\Users\\Admin\\AppData\\Roaming\\svchostei.exe" | C:\Users\Admin\AppData\Roaming\svchostei.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\zorluadm.dll | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| File created | C:\Windows\SysWOW64\372mYNET.EXE.exe | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
| File created | C:\Windows\SysWOW64\372mYNET.EXE | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2380 set thread context of 4944 | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe
"C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe"
C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe
C:\Users\Admin\AppData\Local\Temp\971548addc373b70e70c748ddb279cfd.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4080 -ip 4080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4080 -ip 4080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 488
C:\Windows\SysWOW64\372mYNET.EXE
"C:\Windows\system32\372mYNET.EXE"
C:\Users\Admin\AppData\Roaming\svchostei.exe
"C:\Users\Admin\AppData\Roaming\svchostei.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stabilhayko.no-ip.org | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stabilhayko.no-ip.org | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stabilhayko.no-ip.org | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stabilhayko.no-ip.org | udp |
| US | 8.8.8.8:53 | 91.16.208.104.in-addr.arpa | udp |
Files
memory/2380-0-0x0000000000400000-0x0000000000506800-memory.dmp
C:\Windows\SysWOW64\zorluadm.dll
| MD5 | df5c622697dc8c743f3884914a9e4d99 |
| SHA1 | cdfc6345080dfa9c45d323f15532ad9274385d2f |
| SHA256 | 0ca52bc5cf854e274e15ba07df97b2e75ec4e1fc2d90f23676da7fa3c95da089 |
| SHA512 | 59867bb9608c250661a6eb823f06c907d334eb4f638b04f21cf10213e5163035c37261f5213642c703dd382871a5d3ae764839c1b93e18e833d85ac0e3409f90 |
memory/4944-7-0x0000000010000000-0x000000001004D000-memory.dmp
memory/4944-8-0x0000000010000000-0x000000001004D000-memory.dmp
memory/4944-10-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2380-9-0x0000000000400000-0x0000000000506800-memory.dmp
memory/4944-11-0x0000000010000000-0x000000001004D000-memory.dmp
memory/4080-12-0x0000000010000000-0x000000001004D000-memory.dmp
C:\Windows\SysWOW64\372mYNET.EXE
| MD5 | 6752d654cbaf37dc2ca6539019f62ba3 |
| SHA1 | 1db60d9831fa818a39b60b6843f2dc431110ca4c |
| SHA256 | 1021676e9ed6507fe9d814b2b65fc613812fc3e89fbf7b17ba06f792663a985f |
| SHA512 | 2d595f14a0b16218176f5916960184d8dd2b51bf040086d3b8c2bff93c08159973bd3d40ff7c6de9206780e9b7d1bd9a4fcd9d206aa42548d84e3aadca254c2f |
memory/4944-23-0x0000000010000000-0x000000001004D000-memory.dmp
memory/4080-21-0x0000000010000000-0x000000001004D000-memory.dmp