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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
13/03/2024, 02:05
General
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Target
1744-69-0x0000000008FF0000-0x0000000009006000-memory.exe
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Size
88KB
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MD5
432629bf35ba0002c9521e92a3d74a45
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SHA1
9f084badb89a311dfa4482613d87602fc86b3491
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SHA256
c6f12f257c2f60ae52265ebc64e97b60662c89ec70bb1c5276365ca69218043a
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SHA512
01c16779932c96051e4d2f98124ede3d2249478da52c0c229001318d81088a933d42ce18b8ed40a78fbd0573b56f6447bcce40957587edf170b4a58ad613cbe0
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SSDEEP
1536:CZyvHdF4s6OJaGr1eeiIVrGbbXwIHxen1GeDpqKmY7:CZyvHdF4s6ONrIeXGbbX3qgz
Malware Config
Extracted
asyncrat
5.0.5
Venom Clients
127.0.0.1:4489
Venom_RAT_HVNC_Mutex_Venom RAT_HVNC
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delay
1
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install
true
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install_file
se.exe
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install_folder
%AppData%
Signatures
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AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
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Async RAT payload 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Delays execution with timeout.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 23 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
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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\1744-69-0x0000000008FF0000-0x0000000009006000-memory.exe"C:\Users\Admin\AppData\Local\Temp\1744-69-0x0000000008FF0000-0x0000000009006000-memory.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "se" /tr '"C:\Users\Admin\AppData\Roaming\se.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "se" /tr '"C:\Users\Admin\AppData\Roaming\se.exe"'3⤵
- Creates scheduled task(s)
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp42D5.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\se.exe"C:\Users\Admin\AppData\Roaming\se.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
146B
MD599b9ecfe5fbfaabf6886f94b20e61f2b
SHA1345fb62a86dec9d4009eb95fa5a07bdcc47e1c3c
SHA25650a9e00f574c95c4c0e54d5705b538f60d77adcfdbf8c9e572fcde5b52c3b9c4
SHA512bb3a450f6040cf98e736a9c337f374cb27c93fef62a73d9280de4662676d054efbcd631002a74e0bfd735f5f14cbaf12c71de62c1b9d7c57a3e22dadb71a3a54
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Filesize
88KB
MD5432629bf35ba0002c9521e92a3d74a45
SHA19f084badb89a311dfa4482613d87602fc86b3491
SHA256c6f12f257c2f60ae52265ebc64e97b60662c89ec70bb1c5276365ca69218043a
SHA51201c16779932c96051e4d2f98124ede3d2249478da52c0c229001318d81088a933d42ce18b8ed40a78fbd0573b56f6447bcce40957587edf170b4a58ad613cbe0
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Filesize
88KB
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Filesize
10.8MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
64KB