Analysis Overview
SHA256
283655432a294659d3532ab8624eab8b8ce6e7dade0a7eb98107f2a77186489c
Threat Level: Known bad
The file DeepFreeze3.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 behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-23 20:11
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 20:11
Reported
2024-04-23 20:14
Platform
win7-20240221-en
Max time kernel
147s
Max time network
149s
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\DeepFreeze3.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 |
| 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\DeepFreeze3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe
"C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.64:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.64:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.64:15030 | 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 | 3.6.115.64:15030 | 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 | 3.6.30.85:15030 | 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 | 3.6.115.182:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.64:15030 | 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 | 3.6.115.182:15030 | 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 | |
| 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 | 3.6.115.182:15030 | 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 | |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.64:15030 | 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 |
Files
memory/2220-1-0x0000000000AA0000-0x0000000000AE0000-memory.dmp
memory/2220-2-0x0000000074F00000-0x00000000754AB000-memory.dmp
memory/2220-0-0x0000000074F00000-0x00000000754AB000-memory.dmp
memory/2220-5-0x0000000000AA0000-0x0000000000AE0000-memory.dmp
memory/2220-4-0x0000000074F00000-0x00000000754AB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-23 20:11
Reported
2024-04-23 20:14
Platform
win10v2004-20240412-en
Max time kernel
148s
Max time network
138s
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\DeepFreeze3.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 |
| 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\DeepFreeze3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\svchost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe
"C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe"
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
Network
| Country | Destination | Domain | Proto |
| 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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| 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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| 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 | 3.6.115.64:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.115.6.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.186.200.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.32.209.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.185.200.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.173.246.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.121.18.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 19.83.221.88.in-addr.arpa | udp |
| 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 | 3.6.115.64:15030 | 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 | 182.115.6.3.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 | 21.236.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:15030 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.64:15030 | 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 |
| 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 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.30.85:15030 | 0.tcp.in.ngrok.io | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.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 | 19.251.17.2.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 | 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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | 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 | 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 | 0.tcp.in.ngrok.io | udp |
| IN | 3.6.115.64:15030 | 0.tcp.in.ngrok.io | tcp |
| N/A | 127.0.0.1:15030 | tcp | |
| N/A | 127.0.0.1:15030 | tcp |
Files
memory/3592-0-0x0000000075160000-0x0000000075711000-memory.dmp
memory/3592-1-0x0000000001320000-0x0000000001330000-memory.dmp
memory/3592-2-0x0000000075160000-0x0000000075711000-memory.dmp
memory/3592-4-0x0000000001320000-0x0000000001330000-memory.dmp
memory/3592-5-0x0000000075160000-0x0000000075711000-memory.dmp
memory/3592-6-0x0000000001320000-0x0000000001330000-memory.dmp
memory/3592-7-0x0000000075160000-0x0000000075711000-memory.dmp
memory/2772-8-0x00000203D4640000-0x00000203D4650000-memory.dmp
memory/2772-24-0x00000203D4740000-0x00000203D4750000-memory.dmp
memory/2772-40-0x00000203DCA90000-0x00000203DCA91000-memory.dmp
memory/2772-42-0x00000203DCAC0000-0x00000203DCAC1000-memory.dmp
memory/2772-43-0x00000203DCAC0000-0x00000203DCAC1000-memory.dmp
memory/2772-44-0x00000203DCBD0000-0x00000203DCBD1000-memory.dmp