Analysis
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max time kernel
127s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 -
Executes dropped EXE 1 IoCs
Processes:
task.exepid process 2868 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 2608 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 9 IoCs
Processes:
76e8d35fe35dce2fb65d0e2fb1be067c.exetask.exepid process 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe 2868 task.exe 2868 task.exe 2868 task.exe 2868 task.exe 2868 task.exe 2868 task.exe 2868 task.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
76e8d35fe35dce2fb65d0e2fb1be067c.exetask.exedescription pid process Token: SeDebugPrivilege 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe Token: SeDebugPrivilege 2868 task.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
task.exepid process 2868 task.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
76e8d35fe35dce2fb65d0e2fb1be067c.execmd.execmd.exedescription pid process target process PID 2976 wrote to memory of 1980 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 2976 wrote to memory of 1980 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 2976 wrote to memory of 1980 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 2976 wrote to memory of 3020 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 2976 wrote to memory of 3020 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 2976 wrote to memory of 3020 2976 76e8d35fe35dce2fb65d0e2fb1be067c.exe cmd.exe PID 1980 wrote to memory of 2724 1980 cmd.exe schtasks.exe PID 1980 wrote to memory of 2724 1980 cmd.exe schtasks.exe PID 1980 wrote to memory of 2724 1980 cmd.exe schtasks.exe PID 3020 wrote to memory of 2608 3020 cmd.exe timeout.exe PID 3020 wrote to memory of 2608 3020 cmd.exe timeout.exe PID 3020 wrote to memory of 2608 3020 cmd.exe timeout.exe PID 3020 wrote to memory of 2868 3020 cmd.exe task.exe PID 3020 wrote to memory of 2868 3020 cmd.exe task.exe PID 3020 wrote to memory of 2868 3020 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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976 -
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:1980 -
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:2724 -
C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1555.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2608 -
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:2868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
148B
MD524dbf479dec5fc54a06ef6e60dbcbd1d
SHA10ba4109fad7a0a413251d47a6b45a3ae46a462d1
SHA2564565f6467a103ea0e76984fb90ca23dd170fdf8b556787f6062848eb20457165
SHA51277a6f121fcfa19075720ac7c382027ddc733abe21507b267dd5519b6d609ac28f8d695afcce285d911147513b2a637d58c0a98015c3eec6f07a944d26e8c3a01
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
74KB
MD576e8d35fe35dce2fb65d0e2fb1be067c
SHA1543ae7d1f3288b6439f50a7a6c50dacf02d13af4
SHA2569c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a
SHA512d1a406fb8862577e0ba9ed1404b7568fcf519e8a39bc966e9ea58922bb2eb34bdd7275f9f3c6688b77d3604427a21973484d0b15a9cb4c992f61b17a2d775f02