Analysis Overview
SHA256
0ff51f1bfcef0cabf76af8a2c9bb5c01aef4940a97c9b5cebe83cddf62d5be77
Threat Level: Known bad
The file PAYMENT ADVICE 750013-10129943-81347-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
Loads dropped DLL
Reads user/profile data of web browsers
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 NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in System32 directory
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Enumerates physical storage devices
outlook_win_path
outlook_office_path
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-18 11:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-18 11:33
Reported
2024-12-18 11:36
Platform
win10ltsc2021-20241211-en
Max time kernel
147s
Max time network
127s
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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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-1-5-21-114766061-2901990051-2372745435-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-114766061-2901990051-2372745435-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-114766061-2901990051-2372745435-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1728 set thread context of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-114766061-2901990051-2372745435-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-114766061-2901990051-2372745435-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe"
C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 72.32.126.40.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 | 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 | 238.75.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.179.250.142.in-addr.arpa | udp |
| 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 |
| US | 158.101.44.242:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 242.44.101.158.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 | fd.api.iris.microsoft.com | udp |
| FR | 20.199.58.43:443 | fd.api.iris.microsoft.com | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.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\nsm7F33.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/1728-14-0x0000000003320000-0x00000000061A6000-memory.dmp
memory/1728-15-0x0000000077801000-0x0000000077921000-memory.dmp
memory/1728-16-0x0000000010004000-0x0000000010005000-memory.dmp
memory/1728-17-0x0000000003320000-0x00000000061A6000-memory.dmp
memory/5000-18-0x00000000016C0000-0x0000000004546000-memory.dmp
memory/5000-33-0x0000000000460000-0x00000000016B3000-memory.dmp
memory/5000-34-0x0000000000460000-0x000000000047E000-memory.dmp
memory/5000-35-0x00000000370D0000-0x0000000037676000-memory.dmp
memory/5000-36-0x0000000037680000-0x000000003771C000-memory.dmp
memory/5000-38-0x00000000016C0000-0x0000000004546000-memory.dmp
memory/5000-39-0x0000000037AA0000-0x0000000037B32000-memory.dmp
memory/5000-40-0x0000000037B40000-0x0000000037B90000-memory.dmp
memory/5000-41-0x0000000037CE0000-0x0000000037EA2000-memory.dmp
memory/5000-42-0x0000000037F60000-0x0000000037F6A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-18 11:33
Reported
2024-12-18 11:36
Platform
win11-20241007-en
Max time kernel
147s
Max time network
134s
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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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-1-5-21-4249425805-3408538557-1766626484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4249425805-3408538557-1766626484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4249425805-3408538557-1766626484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 952 set thread context of 3832 | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4249425805-3408538557-1766626484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4249425805-3408538557-1766626484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe"
C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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 |
| FR | 142.250.179.67:80 | o.pki.goog | tcp |
| FR | 142.250.179.67:80 | o.pki.goog | tcp |
| FR | 142.250.179.67:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | 238.75.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.179.250.142.in-addr.arpa | udp |
| FR | 142.250.74.225:443 | drive.usercontent.google.com | tcp |
| BR | 132.226.247.73:80 | checkip.dyndns.org | tcp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\nse83D7.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/952-14-0x0000000002C00000-0x0000000005A86000-memory.dmp
memory/952-15-0x00007FFDD0DA1000-0x00007FFDD0ECA000-memory.dmp
memory/952-16-0x00007FFDD0DA0000-0x00007FFDD0FA9000-memory.dmp
memory/952-17-0x0000000002C00000-0x0000000005A86000-memory.dmp
memory/3832-18-0x00007FFDD0DA0000-0x00007FFDD0FA9000-memory.dmp
memory/3832-33-0x0000000000460000-0x0000000001777000-memory.dmp
memory/3832-34-0x0000000000460000-0x000000000047E000-memory.dmp
memory/3832-35-0x00000000371C0000-0x0000000037766000-memory.dmp
memory/3832-36-0x0000000037770000-0x000000003780C000-memory.dmp
memory/3832-37-0x0000000037C40000-0x0000000037CD2000-memory.dmp
memory/3832-38-0x0000000037CE0000-0x0000000037D30000-memory.dmp
memory/3832-40-0x00007FFDD0DA0000-0x00007FFDD0FA9000-memory.dmp
memory/3832-41-0x0000000037E80000-0x0000000038042000-memory.dmp
memory/3832-42-0x0000000038100000-0x000000003810A000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-18 11:33
Reported
2024-12-18 11:36
Platform
win7-20240903-en
Max time kernel
122s
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 2372 -s 224
Network
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-12-18 11:33
Reported
2024-12-18 11:36
Platform
win10ltsc2021-20241211-en
Max time kernel
100s
Max time network
112s
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 3248 wrote to memory of 1628 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3248 wrote to memory of 1628 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3248 wrote to memory of 1628 | 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 460 -p 1628 -ip 1628
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral6
Detonation Overview
Submitted
2024-12-18 11:33
Reported
2024-12-18 11:36
Platform
win11-20241007-en
Max time kernel
91s
Max time network
94s
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 936 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 936 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 936 wrote to memory of 1704 | 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 1704 -ip 1704
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 460
Network
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-18 11:33
Reported
2024-12-18 11:36
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Disables Task Manager via registry modification
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1864 set thread context of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe"
C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE 750013-10129943-81347-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 |
| US | 158.101.44.242:80 | 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 | 88.221.134.83:80 | crl.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 2.18.109.131:80 | www.microsoft.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsyB0D9.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/1864-16-0x0000000002F20000-0x0000000005DA6000-memory.dmp
memory/1864-18-0x0000000076CF0000-0x0000000076E99000-memory.dmp
memory/1864-17-0x0000000076CF1000-0x0000000076DF2000-memory.dmp
memory/1864-19-0x0000000002F20000-0x0000000005DA6000-memory.dmp
memory/1796-20-0x0000000076CF0000-0x0000000076E99000-memory.dmp
memory/1796-40-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/1796-41-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/1796-42-0x0000000000460000-0x000000000047E000-memory.dmp