Analysis
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max time kernel
136s -
max time network
144s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
01-02-2022 02:48
Behavioral task
behavioral1
Sample
ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe
Resource
win10v2004-en-20220112
General
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Target
ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe
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Size
233KB
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MD5
69f983135a6b185874245db3e71bbfe1
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SHA1
25be63bf5169d66aba2aaa72c07c398dca85352e
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SHA256
ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a
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SHA512
61d65f86f63f3922b3cc57f13885f787f1c70984b694b441293fa8eaaa08a72c24a13c1db3353a0d16e9577a9c9e28fd9d57435694192d8b69ac5d995bdda8f2
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
neutralmfidl.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat neutralmfidl.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 21 IoCs
Processes:
neutralmfidl.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings neutralmfidl.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections neutralmfidl.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings neutralmfidl.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-a6-ba-93-1d-31\WpadDecisionReason = "1" neutralmfidl.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-a6-ba-93-1d-31\WpadDecision = "0" neutralmfidl.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 neutralmfidl.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad neutralmfidl.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 neutralmfidl.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69CFAE48-6F6E-4737-A9CD-58F7C3FACB9A}\WpadDecisionReason = "1" neutralmfidl.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" neutralmfidl.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" neutralmfidl.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 neutralmfidl.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69CFAE48-6F6E-4737-A9CD-58F7C3FACB9A}\WpadDecision = "0" neutralmfidl.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69CFAE48-6F6E-4737-A9CD-58F7C3FACB9A}\WpadNetworkName = "Network 3" neutralmfidl.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69CFAE48-6F6E-4737-A9CD-58F7C3FACB9A}\4e-a6-ba-93-1d-31 neutralmfidl.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-a6-ba-93-1d-31\WpadDecisionTime = c01f92bf1e17d801 neutralmfidl.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix neutralmfidl.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" neutralmfidl.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69CFAE48-6F6E-4737-A9CD-58F7C3FACB9A} neutralmfidl.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69CFAE48-6F6E-4737-A9CD-58F7C3FACB9A}\WpadDecisionTime = c01f92bf1e17d801 neutralmfidl.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-a6-ba-93-1d-31 neutralmfidl.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
neutralmfidl.exepid process 108 neutralmfidl.exe 108 neutralmfidl.exe 108 neutralmfidl.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exepid process 1796 ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe -
Suspicious use of UnmapMainImage 4 IoCs
Processes:
ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exeee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exeneutralmfidl.exeneutralmfidl.exepid process 1932 ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe 1796 ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe 928 neutralmfidl.exe 108 neutralmfidl.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exeneutralmfidl.exedescription pid process target process PID 1932 wrote to memory of 1796 1932 ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe PID 1932 wrote to memory of 1796 1932 ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe PID 1932 wrote to memory of 1796 1932 ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe PID 1932 wrote to memory of 1796 1932 ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe PID 928 wrote to memory of 108 928 neutralmfidl.exe neutralmfidl.exe PID 928 wrote to memory of 108 928 neutralmfidl.exe neutralmfidl.exe PID 928 wrote to memory of 108 928 neutralmfidl.exe neutralmfidl.exe PID 928 wrote to memory of 108 928 neutralmfidl.exe neutralmfidl.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe"C:\Users\Admin\AppData\Local\Temp\ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ee6d76c87005bac6bf4e4fe2ddc3caa39246ff9b8383bac26f70ce2a155fe40a.exe--93ed29212⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
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C:\Windows\SysWOW64\neutralmfidl.exe"C:\Windows\SysWOW64\neutralmfidl.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\neutralmfidl.exe--b9e1f5432⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1796-57-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1796-58-0x0000000076511000-0x0000000076513000-memory.dmpFilesize
8KB
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memory/1932-55-0x00000000001B0000-0x00000000001CB000-memory.dmpFilesize
108KB
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memory/1932-56-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB