Analysis
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max time kernel
94s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-06-2024 17:39
Behavioral task
behavioral1
Sample
ClientAny.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ClientAny.exe
Resource
win10v2004-20240508-en
General
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Target
ClientAny.exe
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Size
90KB
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MD5
51a43245ecf3a5f9871d4e2003a36032
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SHA1
14f0576f0639189c6252467aba08eb8d8e557578
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SHA256
f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32
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SHA512
68ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe
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SSDEEP
1536:uUaUcxoyR1CriPMVzrqVBYgImH1bz/psRo2Qzcxop3KBv3RiDKLVclN:uUDcxoyXkiPMVzrqVHH1bzRahQxUYKBY
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
svchost.exe
127.0.0.1:80
2.58.84.229:80
svchost.exe
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delay
1
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install
true
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install_file
svchost.exe
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\svchost.exe family_asyncrat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ClientAny.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation ClientAny.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 3776 svchost.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1964 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 29 IoCs
Processes:
ClientAny.exesvchost.exepid process 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3216 ClientAny.exe 3776 svchost.exe 3776 svchost.exe 3776 svchost.exe 3776 svchost.exe 3776 svchost.exe 3776 svchost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
ClientAny.exesvchost.exedescription pid process Token: SeDebugPrivilege 3216 ClientAny.exe Token: SeDebugPrivilege 3216 ClientAny.exe Token: SeDebugPrivilege 3776 svchost.exe Token: SeDebugPrivilege 3776 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
svchost.exepid process 3776 svchost.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
ClientAny.execmd.execmd.exedescription pid process target process PID 3216 wrote to memory of 1092 3216 ClientAny.exe cmd.exe PID 3216 wrote to memory of 1092 3216 ClientAny.exe cmd.exe PID 3216 wrote to memory of 1088 3216 ClientAny.exe cmd.exe PID 3216 wrote to memory of 1088 3216 ClientAny.exe cmd.exe PID 1092 wrote to memory of 4812 1092 cmd.exe schtasks.exe PID 1092 wrote to memory of 4812 1092 cmd.exe schtasks.exe PID 1088 wrote to memory of 1964 1088 cmd.exe timeout.exe PID 1088 wrote to memory of 1964 1088 cmd.exe timeout.exe PID 1088 wrote to memory of 3776 1088 cmd.exe svchost.exe PID 1088 wrote to memory of 3776 1088 cmd.exe svchost.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\ClientAny.exe"C:\Users\Admin\AppData\Local\Temp\ClientAny.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Windows\System32\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"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:4812 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp414F.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:1964 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3776
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
151B
MD584a195bd64198facdc063570a0ca0248
SHA17edc45d42fa064b4d5fc4f22cb75df7fdeec2085
SHA256ebd283fbf855416643e2c08fecc11cccefffe1508cdb66e3af07da53d75a1357
SHA512be907960fdd003f3bd727600015890b875211bb89133a62605c07352f1ee956b4cc63640694d5adcf4de92cc6238f9bde9c3721cbb42e3890f78416b1eae9a48
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
90KB
MD551a43245ecf3a5f9871d4e2003a36032
SHA114f0576f0639189c6252467aba08eb8d8e557578
SHA256f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32
SHA51268ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe