Static task
static1
Behavioral task
behavioral1
Sample
WUC v15.x Patcher v1.0.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
WUC v15.x Patcher v1.0.exe
Resource
win10v2004-20230915-en
General
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Target
WUC v15.x Patcher v1.0.exe
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Size
967KB
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MD5
88e327c6334e000c263494ec1ae20e80
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SHA1
00026c728c5efe6b4ddf351951438385b770ecc6
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SHA256
3d194b6a5cfa5313459457abc0cba035468ba34d9b5edcb80a96921794fa2438
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SHA512
2180498224325ef2a1153cc942b44760ef073ef015bd9c6930dc17dcbf6c655c2a0ecdf3ad61ae2dbd24f985f5e4d444791b818239453412a975c4df12a62018
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SSDEEP
12288:hm0LCEjeoyvU7s+GZeS1PeG/D4BtxoUvTuNifvHx4gDUa/VBPuS/K9P0icesURZd:kpz1VZeGW64v+BknxHlNBPfURZurGF
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource WUC v15.x Patcher v1.0.exe
Files
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WUC v15.x Patcher v1.0.exe.exe windows:5 windows x86
dc73a9bd8de0fd640549c85ac4089b87
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
DeleteFileA
ExitProcess
FindResourceA
FreeLibrary
GetModuleHandleA
GetProcAddress
GetTempPathA
LoadLibraryA
LoadResource
RtlMoveMemory
SizeofResource
VirtualAlloc
lstrcatA
CloseHandle
CreateFileA
FlushFileBuffers
WriteFile
Sections
.text Size: 512B - Virtual size: 502B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 512B - Virtual size: 472B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 52B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 964KB - Virtual size: 963KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 82B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ