Behavioral task
behavioral1
Sample
WinDir.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
WinDir.exe
Resource
win10v2004-20231222-en
General
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Target
WinDir.exe
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Size
331KB
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MD5
f2c3edacf7caf2d8c59ff660680a49cb
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SHA1
167f4ae3a59b6e2e927e66a2c24b6a2971aec6e5
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SHA256
33b845f4977885ba03d8de6bc260847dd0ec6dc9489a2da3071701b160a1ddec
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SHA512
2d31895d9373c824a0a7baccab68c138e543af6d2b6997e8dac8cf4f4030c0b16536e355b63fddb3d9c995b76edaeb388845b0b22cda49b5320253b5856b8284
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SSDEEP
6144:Eho6aAN4TLDw2DXCJhdhgf109EGD0Ju4p:d6vWHDrD32EGAhp
Malware Config
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule sample family_zgrat_v1 -
Zgrat family
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule sample net_reactor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource WinDir.exe
Files
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WinDir.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 328KB - Virtual size: 328KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ