Analysis Overview
SHA256
ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6
Threat Level: Known bad
The file ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe was found to be: Known bad.
Malicious Activity Summary
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
NSIS installer
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-11 04:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral4
Detonation Overview
Submitted
2025-01-11 04:49
Reported
2025-01-11 04:51
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
137s
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 3432 wrote to memory of 4016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3432 wrote to memory of 4016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3432 wrote to memory of 4016 | 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 456 -p 4016 -ip 4016
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-11 04:49
Reported
2025-01-11 04:51
Platform
win7-20241010-en
Max time kernel
144s
Max time network
146s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.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 |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1740 set thread context of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Arder.lnk | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\figenkaktusses\Ea40.ini | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File opened for modification | C:\Windows\Fonts\heraclitic.Wom | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File opened for modification | C:\Windows\storsejlenes\blackweed.hor | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File opened for modification | C:\Windows\Arder.lnk | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.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\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe
"C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe"
C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe
"C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.179.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.200.35:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.200.35:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 216.58.212.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 95.100.245.144:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 88.221.134.83:80 | crl.microsoft.com | tcp |
Files
C:\Windows\Arder.lnk
| MD5 | 200c1a59b30141625f069f6328d20924 |
| SHA1 | 691cd95853894e5c0fd74b77897941e26ca71374 |
| SHA256 | 12ca596fce6f1dda25e8ea902e29e4e96c5ffe8f424c2fa47ff904476656e1c9 |
| SHA512 | a387538688bfd0a5bae9cc3aa3007952f618f91b90b11066e2450d939e04cfebf51f534d13dacd91c390a1171574d1257c3b09539d2b1866b6086ce1365c50e0 |
\Users\Admin\AppData\Local\Temp\nsy9213.tmp\System.dll
| MD5 | 34442e1e0c2870341df55e1b7b3cccdc |
| SHA1 | 99b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c |
| SHA256 | 269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1 |
| SHA512 | 4a8c57fb12997438b488b862f3fc9dc0f236e07bb47b2bce6053dcb03ac7ad171842f02ac749f02dda4719c681d186330524cd2953d33cb50854844e74b33d51 |
memory/1740-280-0x0000000002F50000-0x0000000004509000-memory.dmp
memory/1740-281-0x0000000076D71000-0x0000000076E72000-memory.dmp
memory/1740-282-0x0000000076D70000-0x0000000076F19000-memory.dmp
memory/1740-283-0x0000000002F50000-0x0000000004509000-memory.dmp
memory/2428-284-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2428-285-0x0000000076D70000-0x0000000076F19000-memory.dmp
memory/2428-306-0x0000000000400000-0x0000000001462000-memory.dmp
memory/1740-318-0x0000000002F50000-0x0000000004509000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-11 04:49
Reported
2025-01-11 04:51
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
151s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.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 |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2824 set thread context of 3444 | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\storsejlenes\blackweed.hor | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File opened for modification | C:\Windows\Arder.lnk | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File created | C:\Windows\Arder.lnk | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\figenkaktusses\Ea40.ini | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| File opened for modification | C:\Windows\Fonts\heraclitic.Wom | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.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\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe
"C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe"
C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe
"C:\Users\Admin\AppData\Local\Temp\ad1dfc910b1815aea7983124549d2c04376db9b2249b99e3e672b91df91bfec6.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.179.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.200.35:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.200.35:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | 238.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.200.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 216.58.212.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 225.212.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
C:\Windows\Arder.lnk
| MD5 | 0f4bd53a63a7a4ed46df0f42a3d248ce |
| SHA1 | 875e1d20a386d7810e6befc7793054c357555fa8 |
| SHA256 | 13752b5c6f1248c7fe42f8c1d11e8a8402034bbbd30168cfc5223446de5c7d59 |
| SHA512 | c18be80707390cf8c36912494a49eb209a7fdb2e8b6e8f35087e7fd17fe919fc436997a3fc83c1a51b10631cee158e273b919a63a1ccbd4ea92ddadaabf13633 |
C:\Users\Admin\AppData\Local\Temp\nsi8CFF.tmp\System.dll
| MD5 | 34442e1e0c2870341df55e1b7b3cccdc |
| SHA1 | 99b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c |
| SHA256 | 269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1 |
| SHA512 | 4a8c57fb12997438b488b862f3fc9dc0f236e07bb47b2bce6053dcb03ac7ad171842f02ac749f02dda4719c681d186330524cd2953d33cb50854844e74b33d51 |
memory/2824-279-0x0000000002AB0000-0x0000000004069000-memory.dmp
memory/2824-280-0x0000000077C61000-0x0000000077D81000-memory.dmp
memory/2824-282-0x0000000075104000-0x0000000075105000-memory.dmp
memory/2824-281-0x0000000002AB0000-0x0000000004069000-memory.dmp
memory/3444-283-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3444-284-0x0000000001660000-0x0000000002C19000-memory.dmp
memory/3444-285-0x0000000077CE8000-0x0000000077CE9000-memory.dmp
memory/3444-286-0x0000000077D05000-0x0000000077D06000-memory.dmp
memory/3444-299-0x0000000001660000-0x0000000002C19000-memory.dmp
memory/3444-300-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3444-301-0x0000000077C61000-0x0000000077D81000-memory.dmp
memory/2824-307-0x0000000002AB0000-0x0000000004069000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2025-01-11 04:49
Reported
2025-01-11 04:52
Platform
win7-20241010-en
Max time kernel
118s
Max time network
123s
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 2204 -s 224