Analysis Overview
SHA256
32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2
Threat Level: Known bad
The file 32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.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
Legitimate hosting services abused for malware hosting/C2
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in System32 directory
Unsigned PE
Program crash
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_office_path
Suspicious behavior: MapViewOfSection
outlook_win_path
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-11 02:52
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
2025-01-11 02:52
Reported
2025-01-11 02:55
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
149s
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\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.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 |
| N/A | reallyfreegeoip.org | N/A | N/A |
| N/A | reallyfreegeoip.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\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3672 set thread context of 3528 | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.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\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe
"C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe"
C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe
"C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.49.80.91.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 |
| 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 | 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 | 193.212.58.216.in-addr.arpa | udp |
| 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 | 104.21.112.1:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 169.8.226.132.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.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 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsqBAD5.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/3672-14-0x0000000002A70000-0x0000000004CCF000-memory.dmp
memory/3672-15-0x0000000077411000-0x0000000077531000-memory.dmp
memory/3672-16-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3672-17-0x0000000002A70000-0x0000000004CCF000-memory.dmp
memory/3528-18-0x00000000016C0000-0x000000000391F000-memory.dmp
memory/3528-31-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/3528-32-0x0000000000460000-0x000000000047E000-memory.dmp
memory/3528-33-0x0000000036670000-0x0000000036C14000-memory.dmp
memory/3528-34-0x00000000364A0000-0x000000003653C000-memory.dmp
memory/3528-36-0x0000000036580000-0x0000000036612000-memory.dmp
memory/3528-37-0x0000000036FB0000-0x0000000037000000-memory.dmp
memory/3528-38-0x00000000016C0000-0x000000000391F000-memory.dmp
memory/3528-39-0x0000000037100000-0x00000000372C2000-memory.dmp
memory/3528-40-0x0000000037340000-0x000000003734A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2025-01-11 02:52
Reported
2025-01-11 02:55
Platform
win7-20240903-en
Max time kernel
120s
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 2916 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2025-01-11 02:52
Reported
2025-01-11 02:55
Platform
win10v2004-20241007-en
Max time kernel
92s
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 4088 wrote to memory of 4456 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4088 wrote to memory of 4456 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4088 wrote to memory of 4456 | 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 360 -p 4456 -ip 4456
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 60.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 120.218.122.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-11 02:52
Reported
2025-01-11 02:55
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\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.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 |
| N/A | reallyfreegeoip.org | N/A | N/A |
| N/A | reallyfreegeoip.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\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2716 set thread context of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.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\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe
"C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe"
C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.exe
"C:\Users\Admin\AppData\Local\Temp\32fb0b39f4243593925572e1ea32d1bd21e72a8c0022a12c6c8025da20b7ffb2.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 |
| US | 158.101.44.242:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.64.1:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.18.190.80:80 | crl.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| FR | 23.57.4.240:80 | www.microsoft.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsy756F.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/2716-16-0x0000000002E70000-0x00000000050CF000-memory.dmp
memory/2716-17-0x0000000077801000-0x0000000077902000-memory.dmp
memory/2716-18-0x0000000077800000-0x00000000779A9000-memory.dmp
memory/2832-19-0x0000000077800000-0x00000000779A9000-memory.dmp
memory/2716-20-0x0000000002E70000-0x00000000050CF000-memory.dmp
memory/2832-42-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2832-43-0x0000000000460000-0x000000000047E000-memory.dmp