Analysis Overview
SHA256
d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5
Threat Level: Known bad
The file d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
NSIS installer
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-24 02:17
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: behavioral1
Detonation Overview
Submitted
2024-10-24 02:17
Reported
2024-10-24 04:38
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\oecus\svante.Eft | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2372 set thread context of 2556 | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\sankthansaftnerne\clodpoll.saf | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe |
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\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe
"C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe"
C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe
"C:\Users\Admin\AppData\Local\Temp\d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 68
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 172.217.16.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 172.217.16.227:80 | 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 | 216.58.201.97:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.18.190.73:80 | crl.microsoft.com | tcp |
Files
C:\Users\Admin\Desktop\peripheries.lnk
| MD5 | 4021a7636bb3e259ef1e3008ca525eba |
| SHA1 | 0b3b95efca7fa20a6136a0c771d0ee093940f513 |
| SHA256 | e6ac3b7108594184ad294ead053236dc56dedb7a7778e9e311912f6df12b8e45 |
| SHA512 | 5422ac2b033cc21d2967476e0eb474affe00440a8f5ad195153aa69335f658d244c18b1ee906dfc86e172f75231eb3f45fb3689244f50dce7c32548debe2b8fd |
C:\Users\Admin\Desktop\peripheries.lnk
| MD5 | 45c4d5c75a54af4ee0c3af95862d41ca |
| SHA1 | 99a0c99d133dbb4765a2e41b8721b02fac4a7245 |
| SHA256 | ee3c6db42ef7623832610b8febd6c1b76baec8b56409736ba4c94636994d6748 |
| SHA512 | 8817d93162c41af7055d8466e16f16e216fc176a73bdf807c222bbe8d858c480528f105a2b5a8a43875e5848dcc4c09e1e9d7280bf56033bbe9d3d1afe6e49f3 |
\Users\Admin\AppData\Local\Temp\nsjD470.tmp\System.dll
| MD5 | cf85183b87314359488b850f9e97a698 |
| SHA1 | 6b6c790037eec7ebea4d05590359cb4473f19aea |
| SHA256 | 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac |
| SHA512 | fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b |
memory/2372-24644-0x00000000036E0000-0x000000000612C000-memory.dmp
memory/2372-24645-0x0000000077AA1000-0x0000000077BA2000-memory.dmp
memory/2372-24647-0x0000000077AA0000-0x0000000077C49000-memory.dmp
memory/2372-24646-0x00000000036E0000-0x000000000612C000-memory.dmp
memory/2372-24648-0x00000000036E0000-0x000000000612C000-memory.dmp
memory/2556-24649-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2556-24650-0x0000000077AA0000-0x0000000077C49000-memory.dmp
memory/2556-24670-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2556-24672-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2556-24674-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2556-24673-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2556-24676-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2556-24675-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2556-24677-0x0000000000400000-0x0000000001462000-memory.dmp
Analysis: behavioral2
Detonation Overview
Reported
0001-01-01 00:00
Command Line
Signatures
Processes
Network
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-10-24 02:17
Reported
2024-10-24 04:42
Platform
win7-20241010-en
Max time kernel
119s
Max time network
126s
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 2732 -s 228
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-10-24 02:17
Reported
2024-10-24 23:03
Platform
win10v2004-20241007-en
Max time kernel
149s
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 2720 wrote to memory of 2696 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2720 wrote to memory of 2696 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2720 wrote to memory of 2696 | 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 2696 -ip 2696
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 612
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 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |