Analysis
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max time kernel
126s -
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
28-06-2024 11:40
Behavioral task
behavioral1
Sample
76e8d35fe35dce2fb65d0e2fb1be067c.exe
Resource
win7-20240221-en
General
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Target
76e8d35fe35dce2fb65d0e2fb1be067c.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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
76e8d35fe35dce2fb65d0e2fb1be067c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 76e8d35fe35dce2fb65d0e2fb1be067c.exe -
Executes dropped EXE 1 IoCs
Processes:
task.exepid process 4308 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 4012 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:
76e8d35fe35dce2fb65d0e2fb1be067c.exetask.exepid process 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe 4308 task.exe 4308 task.exe 4308 task.exe 4308 task.exe 4308 task.exe 4308 task.exe 4308 task.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
76e8d35fe35dce2fb65d0e2fb1be067c.exetask.exedescription pid process Token: SeDebugPrivilege 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe Token: SeDebugPrivilege 4308 task.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
task.exepid process 4308 task.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
76e8d35fe35dce2fb65d0e2fb1be067c.execmd.execmd.exedescription pid process target process PID 3596 wrote to memory of 4260 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 3596 wrote to memory of 4260 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 3596 wrote to memory of 3204 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 3596 wrote to memory of 3204 3596 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 3204 wrote to memory of 4012 3204 cmd.exe timeout.exe PID 3204 wrote to memory of 4012 3204 cmd.exe timeout.exe PID 4260 wrote to memory of 4264 4260 cmd.exe schtasks.exe PID 4260 wrote to memory of 4264 4260 cmd.exe schtasks.exe PID 3204 wrote to memory of 4308 3204 cmd.exe task.exe PID 3204 wrote to memory of 4308 3204 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\76e8d35fe35dce2fb65d0e2fb1be067c.exe"C:\Users\Admin\AppData\Local\Temp\76e8d35fe35dce2fb65d0e2fb1be067c.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596 -
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:4260 -
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:4264 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp499C.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:4012 -
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:4308
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
148B
MD54bdbf3063ec394cd787f0c52c8e88fce
SHA1d4ede05dc167b2c6fe70ccad4aab9c494266cd07
SHA25644dcf2e4249b2216ab4fbd9715bf912f87c02f8ca9856bae2f06ca4f2531a4f8
SHA512b6423d290f3a98bd61276ec0521716e264878f66e1dbbdf30f237acbd069bcb83451eaa57d17e83fa1c6b544850f29f34498db0231d53aab66eca44ec379f1f5
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
74KB
MD576e8d35fe35dce2fb65d0e2fb1be067c
SHA1543ae7d1f3288b6439f50a7a6c50dacf02d13af4
SHA2569c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a
SHA512d1a406fb8862577e0ba9ed1404b7568fcf519e8a39bc966e9ea58922bb2eb34bdd7275f9f3c6688b77d3604427a21973484d0b15a9cb4c992f61b17a2d775f02