Analysis Overview
SHA256
fbdd6e4ad9a6617704f0c3c126a838131da0708a9e2cb3c0ab0a421206231ccc
Threat Level: Known bad
The file 82335f2881f850553794c60718e8f32d was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Modifies Installed Components in the registry
Deletes itself
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-30 10:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-30 10:27
Reported
2024-01-30 10:30
Platform
win7-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50} | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe restart" | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2476 set thread context of 1764 | N/A | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe
"C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe"
C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe
"C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
Files
memory/1764-2-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/1764-3-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/1764-4-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/1764-5-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2356-11-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2356-13-0x0000000000C80000-0x0000000000C92000-memory.dmp
C:\Users\Admin\AppData\Roaming\InstallDir\win.exe
| MD5 | 82335f2881f850553794c60718e8f32d |
| SHA1 | 696c6fab45655353983b8fdae611b04c84ef1a9e |
| SHA256 | fbdd6e4ad9a6617704f0c3c126a838131da0708a9e2cb3c0ab0a421206231ccc |
| SHA512 | a9e54002d12055c14d36104abef2f92e6a103045adcb1f0b1c391c98032ed80c0eed18a04dc88be0bb73d57233f578570d686df0f31f556b8b493b747ad4967b |
memory/2704-17-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2660-20-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/1764-21-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2660-23-0x0000000000C80000-0x0000000000C92000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-30 10:27
Reported
2024-01-30 10:30
Platform
win10v2004-20231215-en
Max time kernel
146s
Max time network
149s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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| 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
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50} | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe restart" | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8WBUUOEM-R81Y-X4OH-YJJC-S6BWR6Y3JD50}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\win.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2640 set thread context of 4556 | N/A | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe
"C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe"
C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe
"C:\Users\Admin\AppData\Local\Temp\82335f2881f850553794c60718e8f32d.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.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 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
| US | 8.8.8.8:53 | 00x.zapto.org | udp |
Files
memory/4556-2-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/4556-3-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/4556-4-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/4556-5-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/5028-11-0x0000000000C80000-0x0000000000C92000-memory.dmp
C:\Users\Admin\AppData\Roaming\InstallDir\win.exe
| MD5 | 82335f2881f850553794c60718e8f32d |
| SHA1 | 696c6fab45655353983b8fdae611b04c84ef1a9e |
| SHA256 | fbdd6e4ad9a6617704f0c3c126a838131da0708a9e2cb3c0ab0a421206231ccc |
| SHA512 | a9e54002d12055c14d36104abef2f92e6a103045adcb1f0b1c391c98032ed80c0eed18a04dc88be0bb73d57233f578570d686df0f31f556b8b493b747ad4967b |
memory/1424-13-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2876-14-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/4556-15-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2876-18-0x0000000000C80000-0x0000000000C92000-memory.dmp