Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
31/01/2025, 04:44
General
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Target
2025-01-31_be9070cef329332f8afa74c091d2ef15_bkransomware.exe
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Size
4.3MB
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MD5
be9070cef329332f8afa74c091d2ef15
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SHA1
d1d836e7885404d6986e39907c361f3eedb76b5a
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SHA256
9f5a7d655c1227e0ea7e7409d1aaefb956d3655c6125b757fc000e3eba8b8ea0
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SHA512
2968ce1d7daadeb3bf551600cde8273a57a79ed443fea16104859d40de4b2ab28e69bd6cf3e5dab80101cbf4c192bdd8e152630bf78093d17e094638554ff6ed
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SSDEEP
98304:vCxRXOhEc2MgYHTpnDUSU+zjsT7jpe6B5j:vphd2MgexUSUEjsT7jpF5j
Malware Config
Extracted
asyncrat
0.5.8
CHINOO
94.156.166.213:1700
QVWooU1TCzqX
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delay
3
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install
false
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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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Asyncrat family
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Adds Run key to start application 2 TTPs 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-31_be9070cef329332f8afa74c091d2ef15_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-31_be9070cef329332f8afa74c091d2ef15_bkransomware.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- System Location Discovery: System Language Discovery
- 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
4.3MB
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Filesize
180KB
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Filesize
4.3MB
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Filesize
368KB
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Filesize
4KB
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Filesize
72KB
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Filesize
64KB
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Filesize
624KB
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Filesize
5.6MB
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Filesize
408KB
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Filesize
4KB
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Filesize
64KB