Analysis Overview
SHA256
ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e
Threat Level: Known bad
The file ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Disables Task Manager via registry modification
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
outlook_win_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-10 03:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-10 03:46
Reported
2024-12-10 03:48
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Disables Task Manager via registry modification
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2692 set thread context of 1652 | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Fonts\inconversibility\agouti.ini | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
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\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe
"C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe"
C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe
"C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 172.217.169.78:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.178.3:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.178.3:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 216.58.212.193:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| BR | 132.226.247.73:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 88.221.134.146:80 | crl.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 95.100.245.144:80 | www.microsoft.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsyEABE.tmp\System.dll
| MD5 | 17ed1c86bd67e78ade4712be48a7d2bd |
| SHA1 | 1cc9fe86d6d6030b4dae45ecddce5907991c01a0 |
| SHA256 | bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb |
| SHA512 | 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5 |
memory/2692-17-0x00000000036B0000-0x0000000004645000-memory.dmp
memory/2692-18-0x00000000776C1000-0x00000000777C2000-memory.dmp
memory/2692-19-0x00000000776C0000-0x0000000077869000-memory.dmp
memory/2692-20-0x00000000036B0000-0x0000000004645000-memory.dmp
memory/1652-21-0x00000000776C0000-0x0000000077869000-memory.dmp
memory/1652-43-0x00000000004C0000-0x0000000001522000-memory.dmp
memory/1652-44-0x00000000004C0000-0x00000000004DE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-10 03:46
Reported
2024-12-10 03:48
Platform
win10v2004-20241007-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Disables Task Manager via registry modification
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1132 set thread context of 1524 | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Fonts\inconversibility\agouti.ini | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
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\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe
"C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe"
C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.exe
"C:\Users\Admin\AppData\Local\Temp\ed11370881ad079a86feb9c031523e138250d5bad2d213f44965b011e2a8b17e.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 172.217.169.78:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.178.3:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 78.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.178.3:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 216.58.212.193:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 193.212.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 193.122.130.0:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 0.130.122.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 152.67.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsrBD47.tmp\System.dll
| MD5 | 17ed1c86bd67e78ade4712be48a7d2bd |
| SHA1 | 1cc9fe86d6d6030b4dae45ecddce5907991c01a0 |
| SHA256 | bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb |
| SHA512 | 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5 |
memory/1132-15-0x0000000003400000-0x0000000004395000-memory.dmp
memory/1132-16-0x0000000077B61000-0x0000000077C81000-memory.dmp
memory/1132-17-0x0000000010004000-0x0000000010005000-memory.dmp
memory/1132-18-0x0000000003400000-0x0000000004395000-memory.dmp
memory/1524-19-0x0000000001720000-0x00000000026B5000-memory.dmp
memory/1524-20-0x0000000077BE8000-0x0000000077BE9000-memory.dmp
memory/1524-21-0x0000000077C05000-0x0000000077C06000-memory.dmp
memory/1524-34-0x0000000001720000-0x00000000026B5000-memory.dmp
memory/1524-35-0x00000000004C0000-0x0000000001714000-memory.dmp
memory/1524-36-0x0000000077B61000-0x0000000077C81000-memory.dmp
memory/1524-37-0x00000000004C0000-0x00000000004DE000-memory.dmp
memory/1524-38-0x00000000351C0000-0x0000000035764000-memory.dmp
memory/1524-39-0x0000000035770000-0x000000003580C000-memory.dmp
memory/1524-41-0x0000000035C10000-0x0000000035CA2000-memory.dmp
memory/1524-42-0x0000000035CC0000-0x0000000035D10000-memory.dmp
memory/1524-43-0x0000000035E50000-0x0000000036012000-memory.dmp
memory/1524-45-0x00000000360E0000-0x00000000360EA000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-10 03:46
Reported
2024-12-10 03:48
Platform
win7-20240903-en
Max time kernel
120s
Max time network
120s
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 1960 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-10 03:46
Reported
2024-12-10 03:48
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
150s
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 3504 wrote to memory of 4244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3504 wrote to memory of 4244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3504 wrote to memory of 4244 | 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 4244 -ip 4244
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |