Static task
static1
Behavioral task
behavioral1
Sample
111111.scr
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
111111.scr
Resource
win10v2004-20231222-en
General
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Target
111111.scr
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Size
476KB
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MD5
584a814196e72cd618ffbb8638684bdc
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SHA1
0cbf9aff5f1e81ef7e63c5bb14ac243b3b1625c0
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SHA256
8c3472267efe16d38b42dcd171744461f2724bf2cecff152c31a844acceda490
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SHA512
24eab0c1b2f267f5cad09cf05687ec3863ba3dea8514a978881ab26e7ed36b69ce788ce33a58c32bc117b093d48fc7e8e4400d65d04ad5ea8d2b7fa0e92e4bb7
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SSDEEP
6144:SeOwdLtPdI+j1+euSpczCh0jsWgdJtPOIRIFhKdGsHAT4KC0cT0OFxcmw4b9wNP:SOdtGa1+eZQ80jtMbPxeaZFzpPz9Go
Malware Config
Signatures
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Detects .NET executables utilizing NyanX-CAT C# Loader 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_NyanXCat_CSharpLoader -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 111111.scr
Files
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111111.scr.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 325KB - Virtual size: 325KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 150KB - Virtual size: 149KB
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