Analysis Overview
SHA256
7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9
Threat Level: Known bad
The file REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Disables Task Manager via registry modification
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Loads dropped DLL
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
outlook_office_path
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-16 07:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-16 07:40
Reported
2024-12-16 07:42
Platform
win7-20240903-en
Max time kernel
119s
Max time network
125s
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\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\hjemmecomputeren.Pot | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2892 set thread context of 2280 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.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\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe"
C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| FR | 142.250.75.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| FR | 142.250.179.67:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| FR | 142.250.179.67:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| FR | 142.250.74.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | 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 | 88.221.134.83:80 | 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\nsjA008.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/2892-16-0x0000000002E80000-0x0000000005FF3000-memory.dmp
memory/2892-17-0x0000000077211000-0x0000000077312000-memory.dmp
memory/2892-18-0x0000000077210000-0x00000000773B9000-memory.dmp
memory/2892-19-0x0000000002E80000-0x0000000005FF3000-memory.dmp
memory/2892-20-0x0000000002E80000-0x0000000005FF3000-memory.dmp
memory/2280-21-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2280-41-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2280-42-0x0000000000460000-0x000000000047E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-16 07:40
Reported
2024-12-16 07:42
Platform
win10v2004-20241007-en
Max time kernel
149s
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\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.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 |
| 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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\hjemmecomputeren.Pot | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4320 set thread context of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.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\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe"
C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES 0910775_pdf.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| FR | 142.250.75.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 238.75.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| US | 8.8.8.8:53 | 67.179.250.142.in-addr.arpa | udp |
| FR | 142.250.179.67:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| FR | 142.250.179.67:80 | o.pki.goog | tcp |
| FR | 142.250.75.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| FR | 142.250.74.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 225.74.250.142.in-addr.arpa | udp |
| 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 | 212.20.149.52.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 | 73.247.226.132.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.67.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 133.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsz9EF0.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/4320-14-0x00000000028E0000-0x0000000005A53000-memory.dmp
memory/4320-15-0x0000000077311000-0x0000000077431000-memory.dmp
memory/4320-17-0x0000000010004000-0x0000000010005000-memory.dmp
memory/4320-16-0x00000000028E0000-0x0000000005A53000-memory.dmp
memory/4320-18-0x00000000028E0000-0x0000000005A53000-memory.dmp
memory/2872-19-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/2872-33-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/2872-34-0x0000000000460000-0x000000000047E000-memory.dmp
memory/2872-35-0x00000000375B0000-0x0000000037B54000-memory.dmp
memory/2872-36-0x0000000037B60000-0x0000000037BFC000-memory.dmp
memory/2872-37-0x0000000037FF0000-0x0000000038082000-memory.dmp
memory/2872-38-0x0000000038090000-0x00000000380E0000-memory.dmp
memory/2872-39-0x0000000038220000-0x00000000383E2000-memory.dmp
memory/2872-40-0x00000000384A0000-0x00000000384AA000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-16 07:40
Reported
2024-12-16 07:42
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
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 2188 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-16 07:40
Reported
2024-12-16 07:42
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
147s
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 2504 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2504 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2504 wrote to memory of 1612 | 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 404 -p 1612 -ip 1612
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |