Analysis Overview
SHA256
ff6370d7ca311c96c4f4a45e899ad86ad520a7039c94051438830888faeaba9a
Threat Level: Known bad
The file 9148a68cc64a0ba3c0a541f666526b90 was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Modifies Installed Components in the registry
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-05 06:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-05 06:33
Reported
2024-02-05 06:36
Platform
win10v2004-20231222-en
Max time kernel
145s
Max time network
146s
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\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\calc.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:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4488 set thread context of 2372 | N/A | C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.exe | C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.exe | N/A |
| File created | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.exe | N/A |
| File opened for modification | C:\Program Files (x86)\InstallDir\ | C:\Windows\SysWOW64\calc.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\calc.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\calc.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\9148a68cc64a0ba3c0a541f666526b90.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\calc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.exe
"C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.exe"
C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.EXE
"C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.EXE"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\calc.exe
calc.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3268 -ip 3268
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 484
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3268 -ip 3268
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 992
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3536 -ip 3536
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 984
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3536 -ip 3536
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.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 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.16.208.104.in-addr.arpa | udp |
Files
memory/4488-0-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/2372-3-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2372-4-0x0000000010000000-0x000000001004A000-memory.dmp
memory/4488-5-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/2372-6-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2372-7-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3268-8-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3536-9-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3536-16-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3268-15-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3536-14-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3536-13-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2372-10-0x0000000010000000-0x000000001004A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-05 06:33
Reported
2024-02-05 06:36
Platform
win7-20231215-en
Max time kernel
150s
Max time network
154s
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 |
XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\calc.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | 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 = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2224 set thread context of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.exe | C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.exe | N/A |
| File created | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.exe | N/A |
| File opened for modification | C:\Program Files (x86)\InstallDir\ | C:\Windows\SysWOW64\calc.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\9148a68cc64a0ba3c0a541f666526b90.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\calc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.exe
"C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.exe"
C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.EXE
"C:\Users\Admin\AppData\Local\Temp\9148a68cc64a0ba3c0a541f666526b90.EXE"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\calc.exe
calc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | wer99.no-ip.org | udp |
Files
memory/2224-0-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/2080-3-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2080-6-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2080-5-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/2224-4-0x0000000001E10000-0x0000000001ED2000-memory.dmp
memory/2224-7-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/2080-8-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2080-9-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2400-10-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2400-12-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2168-15-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2080-16-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2168-19-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2168-20-0x0000000010000000-0x000000001004A000-memory.dmp
C:\Program Files (x86)\InstallDir\Server.exe
| MD5 | 9148a68cc64a0ba3c0a541f666526b90 |
| SHA1 | adeb03e2d2faa2522d404dcf23edc02c2b0e9e1b |
| SHA256 | ff6370d7ca311c96c4f4a45e899ad86ad520a7039c94051438830888faeaba9a |
| SHA512 | 09f7cd502138973546c55564b212437924518640a41940b5444cc5b9d34e6bb3e530b43de4e382f70a0d707bcbedecd54593a4e683143f967cbbc1e82518bbec |
memory/2400-22-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2168-23-0x0000000010000000-0x000000001004A000-memory.dmp