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Analysis
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max time kernel
263s -
max time network
354s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
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submitted
03/02/2023, 18:56
General
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Target
decrypted.exe
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Size
36KB
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MD5
804457c473500f8fe0d57b0864c4c87f
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SHA1
633c8ff70bc17c12e2727c3e1278349a8b67fe50
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SHA256
601ac6852746a608f82af16fe69b07a5c65afc584d59479a8fcf43bd0537997f
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SHA512
f68e765f26d6ff16a4f2a89f367e0cf57278a595f321a362c8b037526106dc319cd6894b4def3d1aa474ce412db0395926e7483d26abca72e196f4eac97247d9
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SSDEEP
768:C9S2Mfp8Y8JuL8O2qD86BhEOaDUeKR0F6Ehq5lxOBcmZPtqojC:C9S2MfgQQahEOaDUzRb5lxOWmyl
Malware Config
Signatures
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njRAT/Bladabindi
Widely used RAT written in .NET.
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 15 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\decrypted.exe"C:\Users\Admin\AppData\Local\Temp\decrypted.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\wlninit.exe"C:\Users\Admin\AppData\Roaming\wlninit.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\wlninit.exe" "wlninit.exe" ENABLE3⤵
- Modifies Windows Firewall
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
36KB
MD5804457c473500f8fe0d57b0864c4c87f
SHA1633c8ff70bc17c12e2727c3e1278349a8b67fe50
SHA256601ac6852746a608f82af16fe69b07a5c65afc584d59479a8fcf43bd0537997f
SHA512f68e765f26d6ff16a4f2a89f367e0cf57278a595f321a362c8b037526106dc319cd6894b4def3d1aa474ce412db0395926e7483d26abca72e196f4eac97247d9
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Filesize
36KB
MD5804457c473500f8fe0d57b0864c4c87f
SHA1633c8ff70bc17c12e2727c3e1278349a8b67fe50
SHA256601ac6852746a608f82af16fe69b07a5c65afc584d59479a8fcf43bd0537997f
SHA512f68e765f26d6ff16a4f2a89f367e0cf57278a595f321a362c8b037526106dc319cd6894b4def3d1aa474ce412db0395926e7483d26abca72e196f4eac97247d9
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Filesize
36KB
MD5804457c473500f8fe0d57b0864c4c87f
SHA1633c8ff70bc17c12e2727c3e1278349a8b67fe50
SHA256601ac6852746a608f82af16fe69b07a5c65afc584d59479a8fcf43bd0537997f
SHA512f68e765f26d6ff16a4f2a89f367e0cf57278a595f321a362c8b037526106dc319cd6894b4def3d1aa474ce412db0395926e7483d26abca72e196f4eac97247d9
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
8KB
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Filesize
5.7MB
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Filesize
5.7MB