Analysis Overview
SHA256
03a12cee98ab0a23a161d05fb9e4f7d79ea85d73771895008a88e0d2e2832efb
Threat Level: Known bad
The file 941064598b0de2474971e20fc1b2f065 was found to be: Known bad.
Malicious Activity Summary
XtremeRAT
Detect XtremeRAT payload
Modifies Installed Components in the registry
Executes dropped EXE
UPX packed file
Adds Run key to start application
Drops file in System32 directory
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-06 06:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-06 06:40
Reported
2024-02-06 06:43
Platform
win7-20231215-en
Max time kernel
150s
Max time network
117s
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
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rdzqh4rw1hd.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\941064598b0de2474971e20fc1b2f065.exe
"C:\Users\Admin\AppData\Local\Temp\941064598b0de2474971e20fc1b2f065.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rdzqh4rw1hd.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rdzqh4rw1hd.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp |
Files
memory/2896-0-0x000007FEF57A0000-0x000007FEF613D000-memory.dmp
memory/2896-1-0x0000000000C90000-0x0000000000D10000-memory.dmp
memory/2896-2-0x000007FEF57A0000-0x000007FEF613D000-memory.dmp
memory/2896-3-0x0000000000C90000-0x0000000000D10000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rdzqh4rw1hd.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
| MD5 | efe9466db6f866000a3ab1975ff4ef35 |
| SHA1 | 04e39c0d43a3331cfc89be14dd969de1c279a983 |
| SHA256 | ad6dc2eace194a62ecfbb02df6d57d7edcc9ce82fc48e30f7c9b47277eadaa4b |
| SHA512 | 53a1f386b7e0876d0220aa34746c6dee1b253ba5673aeb19a744e6bc594ff19b203e0d24d1eb1471beb9d2ca78e072077b2105545da8a9e2a99af8fb6648ea97 |
memory/2256-10-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2764-11-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2836-21-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2836-20-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2256-17-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2836-16-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2896-22-0x000007FEF57A0000-0x000007FEF613D000-memory.dmp
memory/2764-24-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2836-25-0x0000000010000000-0x000000001004D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-06 06:40
Reported
2024-02-06 06:43
Platform
win10v2004-20231215-en
Max time kernel
91s
Max time network
150s
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
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rs0azekj233.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\941064598b0de2474971e20fc1b2f065.exe
"C:\Users\Admin\AppData\Local\Temp\941064598b0de2474971e20fc1b2f065.exe"
C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rs0azekj233.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rs0azekj233.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 344 -ip 344
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5076 -ip 5076
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 484
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 344 -ip 344
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5076 -ip 5076
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 504
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 972
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/740-0-0x00007FF977BA0000-0x00007FF978541000-memory.dmp
memory/740-1-0x00007FF977BA0000-0x00007FF978541000-memory.dmp
memory/740-2-0x00000000011B0000-0x00000000011C0000-memory.dmp
memory/740-3-0x000000001B640000-0x000000001B6E6000-memory.dmp
memory/740-4-0x000000001BBC0000-0x000000001C08E000-memory.dmp
memory/740-5-0x000000001C130000-0x000000001C1CC000-memory.dmp
memory/740-6-0x0000000000F70000-0x0000000000F78000-memory.dmp
memory/740-7-0x000000001C230000-0x000000001C27C000-memory.dmp
memory/740-8-0x000000001D380000-0x000000001D3E2000-memory.dmp
memory/740-9-0x00000000011B0000-0x00000000011C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\WindowsTaskbarSolutions.rs0azekj233.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
| MD5 | efe9466db6f866000a3ab1975ff4ef35 |
| SHA1 | 04e39c0d43a3331cfc89be14dd969de1c279a983 |
| SHA256 | ad6dc2eace194a62ecfbb02df6d57d7edcc9ce82fc48e30f7c9b47277eadaa4b |
| SHA512 | 53a1f386b7e0876d0220aa34746c6dee1b253ba5673aeb19a744e6bc594ff19b203e0d24d1eb1471beb9d2ca78e072077b2105545da8a9e2a99af8fb6648ea97 |
memory/3344-13-0x0000000010000000-0x000000001004D000-memory.dmp
memory/344-15-0x0000000010000000-0x000000001004D000-memory.dmp
memory/5076-16-0x0000000010000000-0x000000001004D000-memory.dmp
memory/3344-17-0x0000000010000000-0x000000001004D000-memory.dmp
memory/740-19-0x00007FF977BA0000-0x00007FF978541000-memory.dmp
memory/5076-21-0x0000000010000000-0x000000001004D000-memory.dmp
memory/5076-22-0x0000000010000000-0x000000001004D000-memory.dmp
memory/344-23-0x0000000010000000-0x000000001004D000-memory.dmp
memory/5076-24-0x0000000010000000-0x000000001004D000-memory.dmp