Analysis Overview
SHA256
7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9
Threat Level: Known bad
The file REQUESTFORQUOATIONANDPRICES0910775_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 web browsers
Reads user/profile data of local email clients
Loads dropped DLL
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
outlook_office_path
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
outlook_win_path
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-16 07:43
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 07:43
Reported
2024-12-16 07:46
Platform
win7-20240903-en
Max time kernel
118s
Max time network
118s
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\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_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\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2520 set thread context of 2236 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_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\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe"
C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_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 |
| BR | 132.226.247.73:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 172.67.177.134:443 | 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\nstA880.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/2520-16-0x0000000002FE0000-0x0000000006153000-memory.dmp
memory/2520-18-0x0000000077040000-0x00000000771E9000-memory.dmp
memory/2520-17-0x0000000077041000-0x0000000077142000-memory.dmp
memory/2520-19-0x0000000002FE0000-0x0000000006153000-memory.dmp
memory/2520-20-0x0000000002FE0000-0x0000000006153000-memory.dmp
memory/2236-40-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2236-41-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2236-42-0x0000000000460000-0x000000000047E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-16 07:43
Reported
2024-12-16 07:46
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
144s
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\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_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-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_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 |
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\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3944 set thread context of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_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\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3944 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe |
| PID 3944 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe |
| PID 3944 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe |
| PID 3944 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe |
| PID 3944 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe"
C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0910775_pdf.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.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 | c.pki.goog | udp |
| FR | 142.250.179.67:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| US | 8.8.8.8:53 | 238.75.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.179.250.142.in-addr.arpa | 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 | 225.74.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.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 | 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 | 0.130.122.193.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 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nszAB06.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/3944-14-0x0000000002920000-0x0000000005A93000-memory.dmp
memory/3944-15-0x0000000077B41000-0x0000000077C61000-memory.dmp
memory/3944-16-0x0000000002920000-0x0000000005A93000-memory.dmp
memory/3944-17-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3944-18-0x0000000002920000-0x0000000005A93000-memory.dmp
memory/4844-31-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/4844-32-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/4844-33-0x0000000000460000-0x000000000047E000-memory.dmp
memory/4844-34-0x0000000037640000-0x0000000037BE4000-memory.dmp
memory/4844-35-0x0000000037BF0000-0x0000000037C8C000-memory.dmp
memory/4844-36-0x0000000038030000-0x00000000380C2000-memory.dmp
memory/4844-37-0x00000000380D0000-0x0000000038120000-memory.dmp
memory/4844-38-0x0000000038260000-0x0000000038422000-memory.dmp
memory/4844-40-0x00000000384E0000-0x00000000384EA000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-16 07:43
Reported
2024-12-16 07:46
Platform
win7-20240903-en
Max time kernel
121s
Max time network
121s
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 1836 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-16 07:43
Reported
2024-12-16 07:46
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 396 wrote to memory of 464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 396 wrote to memory of 464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 396 wrote to memory of 464 | 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 420 -p 464 -ip 464
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 464 -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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.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 |