Analysis Overview
SHA256
de8636c5d87d276a4971eab3cbe5d3d3bb18618e8a24ae27b154e1548bd438a4
Threat Level: Known bad
The file file.exe was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
AsyncRat
Drops startup file
Checks computer location settings
Adds Run key to start application
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 18:53
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 18:53
Reported
2024-06-28 18:55
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
AsyncRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe\"" | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\file.exe | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\file.exe | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe" | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\file.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe" | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3616 set thread context of 4504 | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | C:\Users\Admin\AppData\Local\Temp\file.exe |
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\file.exe |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
C:\Windows\SysWOW64\timeout.exe
timeout 1
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3616 -ip 3616
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 1128
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hgjvhnfgg.duckdns.org | udp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hgjvhnfgg.duckdns.org | udp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/3616-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp
memory/3616-1-0x00000000004E0000-0x00000000005BC000-memory.dmp
memory/3616-2-0x0000000004F30000-0x0000000004FCC000-memory.dmp
memory/3616-3-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3616-4-0x00000000050D0000-0x00000000050F8000-memory.dmp
memory/3616-5-0x00000000056B0000-0x0000000005C54000-memory.dmp
memory/4504-7-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4504-8-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3616-9-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/4504-10-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/4504-11-0x0000000074F20000-0x00000000756D0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 18:53
Reported
2024-06-28 18:55
Platform
win7-20240221-en
Max time kernel
136s
Max time network
146s
Command Line
Signatures
AsyncRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe\"" | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\file.exe | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\file.exe | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\file.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe" | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe" | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3016 set thread context of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | C:\Users\Admin\AppData\Local\Temp\file.exe |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
C:\Windows\SysWOW64\timeout.exe
timeout 1
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | hgjvhnfgg.duckdns.org | udp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| US | 8.8.8.8:53 | hgjvhnfgg.duckdns.org | udp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
| CO | 177.255.91.168:8057 | hgjvhnfgg.duckdns.org | tcp |
Files
memory/3016-0-0x00000000744EE000-0x00000000744EF000-memory.dmp
memory/3016-1-0x0000000000010000-0x00000000000EC000-memory.dmp
memory/3016-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp
memory/3016-3-0x00000000005E0000-0x0000000000608000-memory.dmp
memory/2528-5-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2528-11-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2528-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2528-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2528-19-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2528-17-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2528-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2528-7-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3016-20-0x0000000000400000-0x0000000000500000-memory.dmp
memory/3016-21-0x00000000744E0000-0x0000000074BCE000-memory.dmp