Analysis
- max time kernel
47s - max time network
14s - platform
windows7_x64 - resource
win7v20210408 - submitted
24/06/2021, 01:17
Static task
static1
Behavioral task
behavioral1
Sample
b9d0d135d4feddc5dbda11c5aa4cc586.exe
Resource
win7v20210408
0 signatures
0 seconds
General
- Target b9d0d135d4feddc5dbda11c5aa4cc586.exe
- Size 1.6MB
- Sample210624-e6t6fl1dnx
- SHA256 06cf7c7c1a2d8f8647c977803466fd5b3a39dded0312fb23575eeacfaeaf07d6
- MD5 b9d0d135d4feddc5dbda11c5aa4cc586
- SHA1 02da0f0321e163cbabcbf3935204352b6a7de36d
- SHA512 f776271b724fed807e54435878a921ed820217ff796d04c1f84afdd6e756b987275c40b0c12c07ba6fea397909b9048ed03e06a4b6dda53155b6a59229357f37
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 472 Dir.exe.com 1628 Dir.exe.com - Loads dropped DLL 2 IoCs
pid Process 2028 cmd.exe 472 Dir.exe.com - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Dir.exe.com Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Dir.exe.com - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1152 PING.EXE - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1836 wrote to memory of 828 1836 b9d0d135d4feddc5dbda11c5aa4cc586.exe 26 PID 1836 wrote to memory of 828 1836 b9d0d135d4feddc5dbda11c5aa4cc586.exe 26 PID 1836 wrote to memory of 828 1836 b9d0d135d4feddc5dbda11c5aa4cc586.exe 26 PID 1836 wrote to memory of 828 1836 b9d0d135d4feddc5dbda11c5aa4cc586.exe 26 PID 828 wrote to memory of 2028 828 cmd.exe 28 PID 828 wrote to memory of 2028 828 cmd.exe 28 PID 828 wrote to memory of 2028 828 cmd.exe 28 PID 828 wrote to memory of 2028 828 cmd.exe 28 PID 2028 wrote to memory of 1944 2028 cmd.exe 29 PID 2028 wrote to memory of 1944 2028 cmd.exe 29 PID 2028 wrote to memory of 1944 2028 cmd.exe 29 PID 2028 wrote to memory of 1944 2028 cmd.exe 29 PID 2028 wrote to memory of 472 2028 cmd.exe 30 PID 2028 wrote to memory of 472 2028 cmd.exe 30 PID 2028 wrote to memory of 472 2028 cmd.exe 30 PID 2028 wrote to memory of 472 2028 cmd.exe 30 PID 2028 wrote to memory of 1152 2028 cmd.exe 31 PID 2028 wrote to memory of 1152 2028 cmd.exe 31 PID 2028 wrote to memory of 1152 2028 cmd.exe 31 PID 2028 wrote to memory of 1152 2028 cmd.exe 31 PID 472 wrote to memory of 1628 472 Dir.exe.com 32 PID 472 wrote to memory of 1628 472 Dir.exe.com 32 PID 472 wrote to memory of 1628 472 Dir.exe.com 32 PID 472 wrote to memory of 1628 472 Dir.exe.com 32
Processes
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C:\Users\Admin\AppData\Local\Temp\b9d0d135d4feddc5dbda11c5aa4cc586.exe"C:\Users\Admin\AppData\Local\Temp\b9d0d135d4feddc5dbda11c5aa4cc586.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c cmd < Mostra.jar2⤵
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\SysWOW64\cmd.execmd3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\findstr.exefindstr /V /R "^MvfbkfITdzmqvzpcDFGyNcZWzrEfTQhrBeBvmkWJSEqlaWEzJGeiLmJdvatoLzZAucnxSMVaJXjocOEvmlFjOyaealZiuNYmEAtXnpBWLKnOjBV$" Hai.jar4⤵PID:1944
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Dir.exe.comDir.exe.com v4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:472 -
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Dir.exe.comC:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Dir.exe.com v5⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1628
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 304⤵
- Runs ping.exe
PID:1152
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