Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 01:38
Behavioral task
behavioral1
Sample
9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe
Resource
win7-20240611-en
General
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Target
9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe
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Size
74KB
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MD5
76e8d35fe35dce2fb65d0e2fb1be067c
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SHA1
543ae7d1f3288b6439f50a7a6c50dacf02d13af4
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SHA256
9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a
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SHA512
d1a406fb8862577e0ba9ed1404b7568fcf519e8a39bc966e9ea58922bb2eb34bdd7275f9f3c6688b77d3604427a21973484d0b15a9cb4c992f61b17a2d775f02
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SSDEEP
1536:ChUZAcxjVLcoCJPPMVOe9VdQuDI6H1bf/OQzc+LVclN:yUWcxjVLLCPPMVOe9VdQsH1bfGQXBY
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
91.92.246.193:4444
jugycwtdwjqv
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delay
1
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install
true
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install_file
task.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\task.exe family_asyncrat -
Detects executables attemping to enumerate video devices using WMI 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4012-1-0x0000000000160000-0x0000000000178000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice C:\Users\Admin\AppData\Roaming\task.exe INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe -
Executes dropped EXE 1 IoCs
Processes:
task.exepid process 464 task.exe -
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 4696 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 30 IoCs
Processes:
9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exetask.exepid process 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe 464 task.exe 464 task.exe 464 task.exe 464 task.exe 464 task.exe 464 task.exe 464 task.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exetask.exedescription pid process Token: SeDebugPrivilege 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe Token: SeDebugPrivilege 464 task.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
task.exepid process 464 task.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.execmd.execmd.exedescription pid process target process PID 4012 wrote to memory of 3940 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe cmd.exe PID 4012 wrote to memory of 3940 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe cmd.exe PID 4012 wrote to memory of 3676 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe cmd.exe PID 4012 wrote to memory of 3676 4012 9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe cmd.exe PID 3676 wrote to memory of 4696 3676 cmd.exe timeout.exe PID 3676 wrote to memory of 4696 3676 cmd.exe timeout.exe PID 3940 wrote to memory of 3176 3940 cmd.exe schtasks.exe PID 3940 wrote to memory of 3176 3940 cmd.exe schtasks.exe PID 3676 wrote to memory of 464 3676 cmd.exe task.exe PID 3676 wrote to memory of 464 3676 cmd.exe task.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\9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe"C:\Users\Admin\AppData\Local\Temp\9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "task" /tr '"C:\Users\Admin\AppData\Roaming\task.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "task" /tr '"C:\Users\Admin\AppData\Roaming\task.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:3176 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4371.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:4696 -
C:\Users\Admin\AppData\Roaming\task.exe"C:\Users\Admin\AppData\Roaming\task.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:464
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
148B
MD5c98ebdb385778db9ca4f7140c8372bf4
SHA14c2e09fe68b275b0efdb8973b1ff03f9140d437c
SHA2565454f68c8ca13145a3026266430108b2e3b5e8481705500a1cc0f795c209d78f
SHA5127d88ce19615d08f470055f9fa814edc7a23443630295404739d18112ab8ced7685e5fe3511edd168af451bf4535c5bb1706bfab980ea30dec0540dbd149754b4
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
74KB
MD576e8d35fe35dce2fb65d0e2fb1be067c
SHA1543ae7d1f3288b6439f50a7a6c50dacf02d13af4
SHA2569c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a
SHA512d1a406fb8862577e0ba9ed1404b7568fcf519e8a39bc966e9ea58922bb2eb34bdd7275f9f3c6688b77d3604427a21973484d0b15a9cb4c992f61b17a2d775f02