Analysis Overview
SHA256
28d29ff8363e71797bd687b5d42b715633e42ce76f4649c7ae68f5a229a36ac9
Threat Level: Known bad
The file 22102024_1637_22102024_factura.rar 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
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Program crash
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
NSIS installer
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-22 16:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| 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
2024-10-22 16:37
Reported
2024-10-22 16:42
Platform
win7-20240708-en
Max time kernel
119s
Max time network
174s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.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\Gansa.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2380 set thread context of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 | C:\Users\Admin\AppData\Local\Temp\Gansa.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\Gansa.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2380 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 2380 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 2380 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 2380 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 2380 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 2380 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Gansa.exe
"C:\Users\Admin\AppData\Local\Temp\Gansa.exe"
C:\Users\Admin\AppData\Local\Temp\Gansa.exe
"C:\Users\Admin\AppData\Local\Temp\Gansa.exe"
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 | 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 | 216.58.201.97:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.18.190.75:80 | crl.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 184.25.193.234:80 | www.microsoft.com | tcp |
Files
C:\Users\Admin\Music\incinerations.lnk
| MD5 | 1c2b8790978c2e8c8ce45d3c029e87ab |
| SHA1 | 7e864b161457faa2360606167c7ac61479e128e2 |
| SHA256 | 26917d24d97b03c146f45fa8e9035077b4c6973d2513b60cb1c5e9b1951d1a88 |
| SHA512 | f4a117da4c0d09684bf19a63f419a8ba8c617b795abac470d3bc273f70b03e6e1001e701af472addbc28289faa227714f6d4dcdcff4da6ddf7bccf7c4d9c3b84 |
\Users\Admin\AppData\Local\Temp\nsoBAF7.tmp\System.dll
| MD5 | cf85183b87314359488b850f9e97a698 |
| SHA1 | 6b6c790037eec7ebea4d05590359cb4473f19aea |
| SHA256 | 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac |
| SHA512 | fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b |
memory/2380-429-0x0000000003A30000-0x0000000006973000-memory.dmp
memory/2380-430-0x0000000003A30000-0x0000000006973000-memory.dmp
memory/2380-432-0x00000000779F0000-0x0000000077B99000-memory.dmp
memory/2380-431-0x00000000779F1000-0x0000000077AF2000-memory.dmp
memory/2380-435-0x0000000003A30000-0x0000000006973000-memory.dmp
memory/2860-434-0x00000000779F0000-0x0000000077B99000-memory.dmp
memory/2860-433-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-455-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-457-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-458-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-464-0x0000000000400000-0x0000000001462000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-22 16:37
Reported
2024-10-22 16:42
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
203s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.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\Gansa.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3412 set thread context of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 | C:\Users\Admin\AppData\Local\Temp\Gansa.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\Gansa.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3412 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 3412 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 3412 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 3412 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
| PID 3412 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\Gansa.exe | C:\Users\Admin\AppData\Local\Temp\Gansa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Gansa.exe
"C:\Users\Admin\AppData\Local\Temp\Gansa.exe"
C:\Users\Admin\AppData\Local\Temp\Gansa.exe
"C:\Users\Admin\AppData\Local\Temp\Gansa.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 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 217.106.137.52.in-addr.arpa | udp |
| 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 | 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 | 216.58.201.97:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 238.16.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.201.58.216.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 |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
C:\Users\Admin\Music\incinerations.lnk
| MD5 | f9842e93387b3e6e52d3055df84dbabc |
| SHA1 | 7da25f0b4ac3962a0b84f56833a980a7b7d6a1ab |
| SHA256 | 0f4f832bc7594227f8dbe02612a20aaac0248c5e2e1334db8f8810b92d79cb9f |
| SHA512 | d722c963fafefa334787e831e8f8fd1d979baa17c3f47592edc4cfb19543c42d736425d0f19a462dd38293c8d654bb690a25bcd513f18bffafbc87eceeddb124 |
C:\Users\Admin\AppData\Local\Temp\nsy8195.tmp\System.dll
| MD5 | cf85183b87314359488b850f9e97a698 |
| SHA1 | 6b6c790037eec7ebea4d05590359cb4473f19aea |
| SHA256 | 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac |
| SHA512 | fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b |
memory/3412-429-0x0000000003870000-0x00000000067B3000-memory.dmp
memory/3412-430-0x0000000003870000-0x00000000067B3000-memory.dmp
memory/3412-431-0x00000000776F1000-0x0000000077811000-memory.dmp
memory/3412-433-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3412-432-0x00000000776F1000-0x0000000077811000-memory.dmp
memory/3488-434-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3412-435-0x0000000003870000-0x00000000067B3000-memory.dmp
memory/3488-436-0x0000000001660000-0x00000000045A3000-memory.dmp
memory/3488-449-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3488-450-0x0000000001660000-0x00000000045A3000-memory.dmp
memory/3488-451-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3488-452-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3488-453-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3488-456-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3488-457-0x0000000001660000-0x00000000045A3000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-10-22 16:37
Reported
2024-10-22 16:42
Platform
win7-20241010-en
Max time kernel
120s
Max time network
125s
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 2324 -s 228
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-10-22 16:37
Reported
2024-10-22 16:42
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
207s
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 1172 wrote to memory of 4740 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1172 wrote to memory of 4740 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1172 wrote to memory of 4740 | 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 424 -p 4740 -ip 4740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -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 | 69.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |