Analysis Overview
SHA256
43e23435f86b410624d67ff00f323652262871be7d5efaf40c336ea59a570149
Threat Level: Known bad
The file DeepFreeze2.exe was found to be: Known bad.
Malicious Activity Summary
Nanocore family
NanoCore
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-23 20:07
Signatures
Nanocore family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-23 20:07
Reported
2024-04-23 20:09
Platform
win10v2004-20240412-en
Max time kernel
111s
Max time network
118s
Command Line
Signatures
NanoCore
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe
"C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe
"C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.182:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.115.6.3.in-addr.arpa | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 156.33.209.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 163.233.34.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 107.122.6.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 85.30.6.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.98.232:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.98.6.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.98.232:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.98.232:15030 | 0.tcp.in.ngrok.io | tcp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.98.232:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.98.232:15030 | 0.tcp.in.ngrok.io | tcp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp |
Files
memory/4772-0-0x0000000074EB0000-0x0000000075461000-memory.dmp
memory/4772-1-0x0000000001250000-0x0000000001260000-memory.dmp
memory/4772-2-0x0000000074EB0000-0x0000000075461000-memory.dmp
memory/4772-4-0x0000000001250000-0x0000000001260000-memory.dmp
memory/4772-5-0x0000000074EB0000-0x0000000075461000-memory.dmp
memory/4772-6-0x0000000074EB0000-0x0000000075461000-memory.dmp
memory/4100-8-0x0000000000CD0000-0x0000000000CE0000-memory.dmp
memory/4100-7-0x0000000074EB0000-0x0000000075461000-memory.dmp
memory/4100-9-0x0000000074EB0000-0x0000000075461000-memory.dmp
memory/4100-11-0x0000000074EB0000-0x0000000075461000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-23 20:07
Reported
2024-04-23 20:09
Platform
win7-20231129-en
Max time kernel
109s
Max time network
102s
Command Line
Signatures
NanoCore
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
| N/A | 0.tcp.in.ngrok.io | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe
"C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe"
C:\Windows\system32\verclsid.exe
"C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe
"C:\Users\Admin\AppData\Local\Temp\DeepFreeze2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.182:15030 | 0.tcp.in.ngrok.io | tcp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.182:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.98.232:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.122.107:15030 | 0.tcp.in.ngrok.io | tcp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp |
Files
memory/2996-0-0x0000000074070000-0x000000007461B000-memory.dmp
memory/2996-1-0x0000000074070000-0x000000007461B000-memory.dmp
memory/2996-2-0x0000000000BF0000-0x0000000000C30000-memory.dmp
memory/2996-4-0x0000000074070000-0x000000007461B000-memory.dmp
memory/2996-5-0x0000000074070000-0x000000007461B000-memory.dmp
memory/2996-6-0x0000000000BF0000-0x0000000000C30000-memory.dmp
memory/540-7-0x0000000074070000-0x000000007461B000-memory.dmp
memory/540-8-0x00000000006F0000-0x0000000000730000-memory.dmp
memory/540-9-0x0000000074070000-0x000000007461B000-memory.dmp
memory/540-10-0x0000000074070000-0x000000007461B000-memory.dmp