Analysis Overview
SHA256
2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a
Threat Level: Known bad
The file 2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Enumerates physical storage devices
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Enumerates system info in registry
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-17 09:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-17 09:17
Reported
2024-11-17 09:20
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
137s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1220 wrote to memory of 2740 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1220 wrote to memory of 2740 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1220 wrote to memory of 2740 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-11-17 09:17
Reported
2024-11-17 09:20
Platform
win7-20240903-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Suspicious use of SetWindowsHookEx
Processes
C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Accelerationsbaner.doc"
Network
Files
memory/1324-0-0x000000002F101000-0x000000002F102000-memory.dmp
memory/1324-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1324-2-0x000000007126D000-0x0000000071278000-memory.dmp
memory/1324-4-0x000000007126D000-0x0000000071278000-memory.dmp
Analysis: behavioral6
Detonation Overview
Submitted
2024-11-17 09:17
Reported
2024-11-17 09:20
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Suspicious use of SetWindowsHookEx
Processes
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Accelerationsbaner.doc" /o ""
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| GB | 52.109.32.7:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.32.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.73.42.20.in-addr.arpa | udp |
Files
memory/1516-2-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp
memory/1516-3-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp
memory/1516-0-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp
memory/1516-4-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp
memory/1516-1-0x00007FFD4010D000-0x00007FFD4010E000-memory.dmp
memory/1516-6-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-5-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-7-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp
memory/1516-9-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-8-0x00007FFCFE090000-0x00007FFCFE0A0000-memory.dmp
memory/1516-10-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-12-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-15-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-14-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-19-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-20-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-18-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-17-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-16-0x00007FFCFE090000-0x00007FFCFE0A0000-memory.dmp
memory/1516-13-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-11-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-32-0x00007FFD40070000-0x00007FFD40265000-memory.dmp
memory/1516-33-0x00007FFD4010D000-0x00007FFD4010E000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-17 09:17
Reported
2024-11-17 09:20
Platform
win7-20241010-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2064 set thread context of 2756 | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe
"C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe"
C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe
"C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe"
Network
| Country | Destination | Domain | Proto |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsyE31F.tmp\System.dll
| MD5 | 564bb0373067e1785cba7e4c24aab4bf |
| SHA1 | 7c9416a01d821b10b2eef97b80899d24014d6fc1 |
| SHA256 | 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5 |
| SHA512 | 22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472 |
memory/2064-14-0x0000000002D10000-0x0000000004145000-memory.dmp
memory/2064-15-0x0000000002D10000-0x0000000004145000-memory.dmp
memory/2064-16-0x0000000077A91000-0x0000000077B92000-memory.dmp
memory/2064-17-0x0000000077A90000-0x0000000077C39000-memory.dmp
memory/2756-18-0x0000000077A90000-0x0000000077C39000-memory.dmp
memory/2756-19-0x00000000004A0000-0x0000000001502000-memory.dmp
memory/2064-24-0x0000000002D10000-0x0000000004145000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-17 09:17
Reported
2024-11-17 09:20
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
147s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 468 set thread context of 2820 | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe
"C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe"
C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe
"C:\Users\Admin\AppData\Local\Temp\2597d299f220ba2dbee04bd903c3962e5a262e0686fab8f4ae581fe928d81c1a.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 162.251.122.91:80 | tcp | |
| US | 8.8.8.8:53 | 26.73.42.20.in-addr.arpa | udp |
| US | 162.251.122.91:80 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\nskC593.tmp\System.dll
| MD5 | 564bb0373067e1785cba7e4c24aab4bf |
| SHA1 | 7c9416a01d821b10b2eef97b80899d24014d6fc1 |
| SHA256 | 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5 |
| SHA512 | 22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472 |
memory/468-13-0x0000000003140000-0x0000000004575000-memory.dmp
memory/468-14-0x0000000077721000-0x0000000077841000-memory.dmp
memory/468-15-0x0000000003140000-0x0000000004575000-memory.dmp
memory/468-16-0x0000000074BC5000-0x0000000074BC6000-memory.dmp
memory/2820-17-0x0000000001700000-0x0000000002B35000-memory.dmp
memory/2820-18-0x00000000777A8000-0x00000000777A9000-memory.dmp
memory/2820-19-0x00000000777C5000-0x00000000777C6000-memory.dmp
memory/2820-20-0x0000000001700000-0x0000000002B35000-memory.dmp
memory/2820-21-0x00000000004A0000-0x00000000016F4000-memory.dmp
memory/2820-22-0x0000000077721000-0x0000000077841000-memory.dmp
memory/468-28-0x0000000003140000-0x0000000004575000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-17 09:17
Reported
2024-11-17 09:20
Platform
win7-20240903-en
Max time kernel
120s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 220