Analysis Overview
SHA256
16f701f6662d98652f659d35371e60765a64035a81f1a92a1c0fdc2e67d3af69
Threat Level: Known bad
The file a83dd75d61102086fcddcbe2b48f644b.exe was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-07 19:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-07 19:37
Reported
2024-01-07 19:39
Platform
win7-20231215-en
Max time kernel
150s
Max time network
126s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\msconfig.dat" | C:\Windows\syswow64\svchost.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
| N/A | N/A | C:\Windows\explorer.exe | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\syswow64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2060 set thread context of 2008 | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ctfmon.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\syswow64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\syswow64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe
"C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"
C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe
"C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
C:\Windows\syswow64\svchost.exe
"C:\Windows\syswow64\svchost.exe"
C:\Windows\SysWOW64\ctfmon.exe
ctfmon.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ecelq.ru | udp |
| US | 8.8.8.8:53 | jefct.su | udp |
Files
memory/2060-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2008-6-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2008-16-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2008-15-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2060-13-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2008-12-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2008-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2008-8-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2060-5-0x0000000000340000-0x000000000035D000-memory.dmp
memory/2008-3-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2008-1-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2008-17-0x0000000077E80000-0x0000000077E81000-memory.dmp
memory/2008-18-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2008-21-0x0000000077E80000-0x0000000077E81000-memory.dmp
memory/1260-22-0x0000000002970000-0x0000000002979000-memory.dmp
memory/2716-24-0x00000000FFCE0000-0x00000000FFFA0000-memory.dmp
memory/2716-26-0x00000000000B0000-0x00000000000C0000-memory.dmp
memory/2008-20-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2928-29-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2928-32-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2928-35-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2928-38-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2928-52-0x0000000000080000-0x0000000000089000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-07 19:37
Reported
2024-01-07 19:39
Platform
win10v2004-20231215-en
Max time kernel
138s
Max time network
51s
Command Line
Signatures
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1472 set thread context of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe
"C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"
C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe
"C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 16.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.179.17.96.in-addr.arpa | udp |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| GB | 96.17.179.71:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.16.110.114:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 96.17.179.61:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| N/A | 96.17.179.61:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.65:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| NL | 52.142.223.178:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| N/A | 96.17.179.61:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| GB | 96.17.178.65:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.223.36.55:443 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| GB | 96.16.110.114:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| NL | 52.142.223.178:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.111.229.19:443 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| N/A | 96.17.179.56:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.165.164.15:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 96.17.179.48:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 96.17.179.48:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| GB | 104.91.71.140:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| N/A | 96.17.179.48:80 | tcp | |
| N/A | 52.165.164.15:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.199.58.43:443 | tcp | |
| N/A | 20.199.58.43:443 | tcp | |
| N/A | 20.199.58.43:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 204.79.197.200:443 | tcp | |
| N/A | 204.79.197.200:443 | tcp | |
| N/A | 204.79.197.200:443 | tcp | |
| N/A | 204.79.197.200:443 | tcp | |
| N/A | 204.79.197.200:443 | tcp | |
| N/A | 104.91.71.134:80 | tcp | |
| N/A | 104.91.71.134:80 | tcp | |
| US | 192.229.221.95:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 104.91.71.134:80 | tcp | |
| N/A | 104.91.71.134:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| GB | 96.16.110.114:80 | tcp | |
| N/A | 104.91.71.134:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 104.91.71.140:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 138.91.171.81:80 | tcp |
Files
memory/1472-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2768-5-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2768-4-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1472-3-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2768-1-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2768-7-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2768-9-0x0000000077BC2000-0x0000000077BC3000-memory.dmp
memory/4840-8-0x00007FF76C350000-0x00007FF76C7ED000-memory.dmp
memory/2768-6-0x0000000077BC2000-0x0000000077BC3000-memory.dmp