Analysis
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max time kernel
35s -
max time network
36s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
10-10-2024 02:45
Static task
static1
Behavioral task
behavioral1
Sample
80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe
Resource
win7-20240704-en
General
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Target
80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe
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Size
502KB
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MD5
255aa859c24575b55d2476fc42ebfcf0
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SHA1
d0b9d931ba49b12edf649179c3fee9db5d0e13b5
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SHA256
80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2
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SHA512
5e2d5aa2a85456b849bb8788de6f539d0bfceb34404ba4eb33968351d3b082cbda3d131e06e19412ecf03c29dcc9dcb28befb4f5801a6f660624e34158b7f3ca
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SSDEEP
12288:HKKbpydeHVh1nDVrJQ53MCcstcVjgUh4oan7rKo:HKMydipnpVQSstcrpC/x
Malware Config
Extracted
stealc
default
http://46.8.231.109
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url_path
/c4754d4f680ead72.php
Signatures
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Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
MSBuild.exepid Process 2748 MSBuild.exe 2748 MSBuild.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exedescription pid Process procid_target PID 2900 set thread context of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exeMSBuild.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid Process 2748 MSBuild.exe 2748 MSBuild.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exeMSBuild.exedescription pid Process procid_target PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2900 wrote to memory of 2748 2900 80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe 30 PID 2748 wrote to memory of 2688 2748 MSBuild.exe 32 PID 2748 wrote to memory of 2688 2748 MSBuild.exe 32 PID 2748 wrote to memory of 2688 2748 MSBuild.exe 32 PID 2748 wrote to memory of 2688 2748 MSBuild.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe"C:\Users\Admin\AppData\Local\Temp\80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\JKJDHDBKEB.exe"3⤵
- System Location Discovery: System Language Discovery
PID:2688
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571