Analysis Overview
SHA256
0d9e0293185f77ef323b8686cabcd7e7562af2899bf565ccef257d4b259c7b81
Threat Level: Known bad
The file P52mX04112024145925383.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in Windows directory
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 14:28
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
2024-11-11 14:28
Reported
2024-11-11 14:30
Platform
win7-20241023-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.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 NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2816 set thread context of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\Pocherings.ini | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| File created | C:\Windows\porencephalitis.lnk | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\overkrop\nasosubnasal.ini | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| File opened for modification | C:\Windows\porencephalitis.lnk | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.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\P52mX04112024145925383.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2816 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 2816 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 2816 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 2816 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 2816 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 2816 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe
"C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe"
C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe
"C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.206:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.187.227:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 172.217.16.225:443 | drive.usercontent.google.com | tcp |
Files
C:\Windows\porencephalitis.lnk
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
\Users\Admin\AppData\Local\Temp\nst7772.tmp\System.dll
| MD5 | d968cb2b98b83c03a9f02dd9b8df97dc |
| SHA1 | d784c9b7a92dce58a5038beb62a48ff509e166a0 |
| SHA256 | a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c |
| SHA512 | 2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e |
memory/2816-295-0x0000000003F80000-0x00000000056BD000-memory.dmp
memory/2816-296-0x0000000003F80000-0x00000000056BD000-memory.dmp
memory/2816-297-0x0000000076D81000-0x0000000076E82000-memory.dmp
memory/2816-298-0x0000000076D80000-0x0000000076F29000-memory.dmp
memory/2816-299-0x0000000003F80000-0x00000000056BD000-memory.dmp
memory/2072-301-0x0000000076D80000-0x0000000076F29000-memory.dmp
memory/2072-300-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2072-323-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2072-324-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2072-325-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2072-326-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2072-327-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2072-328-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2072-334-0x0000000000400000-0x0000000001462000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 14:28
Reported
2024-11-11 14:30
Platform
win10v2004-20241007-en
Max time kernel
148s
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\P52mX04112024145925383.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 NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4912 set thread context of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\Pocherings.ini | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| File created | C:\Windows\porencephalitis.lnk | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\overkrop\nasosubnasal.ini | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
| File opened for modification | C:\Windows\porencephalitis.lnk | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.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\P52mX04112024145925383.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4912 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 4912 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 4912 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 4912 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
| PID 4912 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe | C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe
"C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe"
C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe
"C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.exe"
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 | 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 | drive.google.com | udp |
| GB | 142.250.187.206:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| US | 8.8.8.8:53 | 206.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.187.227:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 172.217.16.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 225.16.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
C:\Windows\porencephalitis.lnk
| MD5 | a6de6b3ada7a62086411af9a67d1ed48 |
| SHA1 | 1424cb71911d3925143869646da5085d4896638a |
| SHA256 | 35b2b03b1ddade5a26580af78b67eae30ebb8825795fa57802d8f56b5ca8a27b |
| SHA512 | d2457d69d0dd8ec67f8df8f01416c9a175502b9a212d841b3425057ca790966b36011b82995ef942f5eb78527b5728649b1ca626b774a054a593a78c13ca339d |
C:\Users\Admin\AppData\Local\Temp\nsd759E.tmp\System.dll
| MD5 | d968cb2b98b83c03a9f02dd9b8df97dc |
| SHA1 | d784c9b7a92dce58a5038beb62a48ff509e166a0 |
| SHA256 | a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c |
| SHA512 | 2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e |
memory/4912-294-0x00000000033A0000-0x0000000004ADD000-memory.dmp
memory/4912-295-0x0000000077471000-0x0000000077591000-memory.dmp
memory/4912-296-0x0000000074165000-0x0000000074166000-memory.dmp
memory/4912-297-0x00000000033A0000-0x0000000004ADD000-memory.dmp
memory/4912-298-0x00000000033A0000-0x0000000004ADD000-memory.dmp
memory/4492-299-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4492-300-0x0000000001660000-0x0000000002D9D000-memory.dmp
memory/4492-301-0x00000000774F8000-0x00000000774F9000-memory.dmp
memory/4492-303-0x0000000077515000-0x0000000077516000-memory.dmp
memory/4492-302-0x0000000001660000-0x0000000002D9D000-memory.dmp
memory/4492-316-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4492-317-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4492-318-0x0000000077471000-0x0000000077591000-memory.dmp
memory/4492-319-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4492-320-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4492-323-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4492-324-0x0000000001660000-0x0000000002D9D000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-11 14:28
Reported
2024-11-11 14:30
Platform
win7-20241010-en
Max time kernel
119s
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 1072 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-11 14:28
Reported
2024-11-11 14:30
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
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 4076 wrote to memory of 2936 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4076 wrote to memory of 2936 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4076 wrote to memory of 2936 | 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 412 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |