Analysis Overview
SHA256
b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6
Threat Level: Known bad
The file b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6 was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
UPX packed file
Modifies Installed Components in the registry
Adds Run key to start application
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Program crash
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-23 22:08
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-23 22:08
Reported
2022-11-24 01:30
Platform
win10v2004-20221111-en
Max time kernel
188s
Max time network
207s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
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XtremeRAT
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3280 set thread context of 1812 | N/A | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.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\notepad.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\notepad.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\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
"C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe"
C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\notepad.exe
notepad.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3064 -ip 3064
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3028 -ip 3028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3064 -ip 3064
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3028 -ip 3028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 488
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 488
Network
| Country | Destination | Domain | Proto |
| N/A | 72.21.91.29:80 | tcp | |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 52.182.143.208:443 | tcp | |
| N/A | 87.248.202.1:80 | tcp | |
| N/A | 87.248.202.1:80 | tcp | |
| N/A | 87.248.202.1:80 | tcp | |
| N/A | 8.8.8.8:53 | 97.97.242.52.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
Files
memory/3280-132-0x0000000000400000-0x00000000007DC000-memory.dmp
memory/1812-135-0x0000000000000000-mapping.dmp
memory/1812-136-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1812-138-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1812-139-0x0000000010000000-0x0000000010048000-memory.dmp
memory/3280-140-0x0000000000400000-0x00000000007DC000-memory.dmp
memory/1812-141-0x0000000010000000-0x0000000010048000-memory.dmp
memory/3064-142-0x0000000000000000-mapping.dmp
memory/1812-143-0x0000000010000000-0x0000000010048000-memory.dmp
memory/3028-144-0x0000000000000000-mapping.dmp
memory/3064-145-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1812-146-0x0000000010000000-0x0000000010048000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-23 22:08
Reported
2022-11-24 01:29
Platform
win7-20220812-en
Max time kernel
152s
Max time network
155s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
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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\{8B2MO1C2-8803-5U2K-671L-S416G8EKP825} | C:\Windows\SysWOW64\notepad.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8B2MO1C2-8803-5U2K-671L-S416G8EKP825}\StubPath = "C:\\Windows\\InstallDir\\svchost.exe restart" | C:\Windows\SysWOW64\notepad.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{8B2MO1C2-8803-5U2K-671L-S416G8EKP825} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8B2MO1C2-8803-5U2K-671L-S416G8EKP825}\StubPath = "C:\\Windows\\InstallDir\\svchost.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\svchost.exe" | C:\Windows\SysWOW64\notepad.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\svchost.exe" | C:\Windows\SysWOW64\notepad.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴潮整慰\u2e64硥e엸က엸က㽜" | C:\Windows\SysWOW64\notepad.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\svchost.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\notepad.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\notepad.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\svchost.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 752 set thread context of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\svchost.exe | C:\Windows\SysWOW64\notepad.exe | N/A |
| File created | C:\Windows\InstallDir\svchost.exe | C:\Windows\SysWOW64\notepad.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\notepad.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
"C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe"
C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\notepad.exe
notepad.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | roma1996.no-ip.org | udp |
Files
memory/752-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
memory/752-55-0x0000000000400000-0x00000000007DC000-memory.dmp
memory/1100-58-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1100-59-0x0000000010046DF0-mapping.dmp
memory/752-63-0x0000000000400000-0x00000000007DC000-memory.dmp
memory/1100-62-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1100-64-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1100-65-0x0000000010000000-0x0000000010048000-memory.dmp
memory/820-66-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1100-67-0x0000000000400000-0x00000000007DC000-memory.dmp
memory/820-69-0x0000000000000000-mapping.dmp
memory/1984-73-0x0000000000000000-mapping.dmp
memory/1100-74-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1984-76-0x0000000010000000-0x0000000010048000-memory.dmp
memory/820-77-0x0000000010000000-0x0000000010048000-memory.dmp
C:\Windows\InstallDir\svchost.exe
| MD5 | 516988b83c8f25c047cc4bfaa24fd7eb |
| SHA1 | 4ebb58d6c0c7162a82b8432a1b7ad9f7409ebdd7 |
| SHA256 | b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6 |
| SHA512 | 1cea8a4c8f5728a6c3819f1309aaca03fa03cb8f818cd582265eea640ea8f7f7f4a9cd1c56dc6efa36a92230f6de8293a72cd05a098e4ff9cdcdc321afb81ecb |
memory/1984-79-0x0000000010000000-0x0000000010048000-memory.dmp
memory/820-80-0x0000000010000000-0x0000000010048000-memory.dmp