Analysis Overview
SHA256
3f5d4db207164b474b8db3b278f7d9646145181a8211e6c851f1a40aec05a9c4
Threat Level: Known bad
The file Svchost.exe was found to be: Known bad.
Malicious Activity Summary
Asyncrat family
Async RAT payload
AsyncRat
Async RAT payload
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-16 23:10
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
2024-04-16 23:10
Reported
2024-04-16 23:12
Platform
win7-20240220-en
Max time kernel
130s
Max time network
140s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Svchost.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
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\Svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Svchost.exe
"C:\Users\Admin\AppData\Local\Temp\Svchost.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Svchost" /tr '"C:\Users\Admin\AppData\Roaming\Svchost.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2B16.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Svchost" /tr '"C:\Users\Admin\AppData\Roaming\Svchost.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\Svchost.exe
"C:\Users\Admin\AppData\Roaming\Svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | report-dust.gl.at.ply.gg | udp |
| US | 147.185.221.19:8188 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:28329 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:28329 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:28329 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:28329 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:28329 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:8188 | report-dust.gl.at.ply.gg | tcp |
Files
memory/2768-0-0x0000000000870000-0x0000000000882000-memory.dmp
memory/2768-1-0x0000000074880000-0x0000000074F6E000-memory.dmp
memory/2768-2-0x0000000004730000-0x0000000004770000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp2B16.tmp.bat
| MD5 | 784b474e86b57a6bb8f94720762a716d |
| SHA1 | 133b7be4cac95a9a6f191dff492933fd478e53af |
| SHA256 | bb3294443605215973837367c4934912c2f6d21e2be54caa7d38ca888d8af492 |
| SHA512 | 8b8be5521a8f82942d44a03e57f0955516f4d9a77063a8e7a3cdf0dcb25444c6f1e27c3e1223f4eab8f6ac154a7055bd7f62b3dfa7ced4caebc14f09ae772356 |
memory/2768-12-0x0000000074880000-0x0000000074F6E000-memory.dmp
\Users\Admin\AppData\Roaming\Svchost.exe
| MD5 | 2c01d39807db97c023bed5a537afc7d1 |
| SHA1 | fb5cae1a4c68278631803413a34182141b85c4a2 |
| SHA256 | 3f5d4db207164b474b8db3b278f7d9646145181a8211e6c851f1a40aec05a9c4 |
| SHA512 | 367256dd718596de7b89b0a910a96194dd7514eb83eb8670dea83326af63564dc1e9952142903203e2df876531ea034921c0e82616f7836f0125b8e3026744f7 |
memory/2552-16-0x0000000000140000-0x0000000000152000-memory.dmp
memory/2552-17-0x00000000748C0000-0x0000000074FAE000-memory.dmp
memory/2552-18-0x0000000004AB0000-0x0000000004AF0000-memory.dmp
memory/2552-19-0x00000000748C0000-0x0000000074FAE000-memory.dmp
memory/2552-20-0x0000000004AB0000-0x0000000004AF0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 23:10
Reported
2024-04-16 23:12
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
154s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Svchost.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Svchost.exe
"C:\Users\Admin\AppData\Local\Temp\Svchost.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Svchost" /tr '"C:\Users\Admin\AppData\Roaming\Svchost.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9172.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Svchost" /tr '"C:\Users\Admin\AppData\Roaming\Svchost.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\Svchost.exe
"C:\Users\Admin\AppData\Roaming\Svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | report-dust.gl.at.ply.gg | udp |
| US | 147.185.221.19:8188 | report-dust.gl.at.ply.gg | tcp |
| 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 |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 147.185.221.19:8188 | report-dust.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 147.185.221.19:28329 | report-dust.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 147.185.221.19:28329 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:8188 | report-dust.gl.at.ply.gg | tcp |
| US | 147.185.221.19:8188 | report-dust.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 8.179.89.13.in-addr.arpa | udp |
Files
memory/1620-0-0x00000000005F0000-0x0000000000602000-memory.dmp
memory/1620-1-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1620-2-0x00000000054E0000-0x000000000557C000-memory.dmp
memory/1620-7-0x0000000074EA0000-0x0000000075650000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp9172.tmp.bat
| MD5 | 2716c60c7864fd71a835bca7427a0f5d |
| SHA1 | a46e8a531f195a74ed42bdf6a898923cc96b6230 |
| SHA256 | 13b7d8ce251b41beb9390867a4765063239a328bf730d363fdd915e021cd2f22 |
| SHA512 | d1e4675311d21657efc94c7c670900d28e5d0fcc9fbfa7b03eee0a5a6e9c3921050e27f816152485824c2c4eb76f6676c684967a96b2209fcfccd4330b5951eb |
C:\Users\Admin\AppData\Roaming\Svchost.exe
| MD5 | 2c01d39807db97c023bed5a537afc7d1 |
| SHA1 | fb5cae1a4c68278631803413a34182141b85c4a2 |
| SHA256 | 3f5d4db207164b474b8db3b278f7d9646145181a8211e6c851f1a40aec05a9c4 |
| SHA512 | 367256dd718596de7b89b0a910a96194dd7514eb83eb8670dea83326af63564dc1e9952142903203e2df876531ea034921c0e82616f7836f0125b8e3026744f7 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Svchost.exe.log
| MD5 | acc9090417037dfa2a55b46ed86e32b8 |
| SHA1 | 53fa6fb25fb3e88c24d2027aca6ae492b2800a4d |
| SHA256 | 2412679218bb0a7d05ceee32869bbb223619bde9966c4c460a68304a3367724b |
| SHA512 | d51f7085ec147c708f446b9fb6923cd2fb64596d354ed929e125b30ace57c8cb3217589447a36960e5d3aea87a4e48aaa82c7509eced6d6c2cecd71fcfe3697b |
memory/3616-13-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/3616-14-0x0000000074E20000-0x00000000755D0000-memory.dmp