Static task
static1
Behavioral task
behavioral1
Sample
0a988680e64eaecc70cd3644925c20c3772f8e12c17652bac6eee2596a03e920.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
0a988680e64eaecc70cd3644925c20c3772f8e12c17652bac6eee2596a03e920.exe
Resource
win10v2004-20240226-en
General
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Target
0a988680e64eaecc70cd3644925c20c3772f8e12c17652bac6eee2596a03e920
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Size
3.1MB
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MD5
c1c31b17d6e0308357a0769ad7e3baf2
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SHA1
dcbf8e23e5ab27f5f8f2c94591aff7d1ec521066
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SHA256
0a988680e64eaecc70cd3644925c20c3772f8e12c17652bac6eee2596a03e920
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SHA512
d69079f8b7728b72e7815c4445e53109f5a1a4af457ea27fd57dba280762c9bbd3987379ab16505beca45eb8bd5434a2bb7c165d5e93ef2b65163b7b4a71d171
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SSDEEP
98304:tHpPDOLrWUJIIrwRbK8X6lLB0L8SLbAEbFrh23K7P:tJPaLSUrYKu6liNskC6j
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 0a988680e64eaecc70cd3644925c20c3772f8e12c17652bac6eee2596a03e920
Files
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0a988680e64eaecc70cd3644925c20c3772f8e12c17652bac6eee2596a03e920.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: 3.1MB - Virtual size: 3.1MB
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