Behavioral task
behavioral1
Sample
nyxia.exe
Resource
win7-20240611-en
General
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Target
nyxia.zip
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Size
3.3MB
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MD5
56f17b27ebc6745158c4c1bbe33e37cf
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SHA1
f6a2895bff8c1ca297847d41eb47c93ea22587a5
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SHA256
58d91d1cbe86643d2e638a2554e35479a88c289c7efb527abc4685ea7f281df5
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SHA512
f49e991ab5ef5044e60deab39f47297675703163c0e6fc35860fef46252f3c5b6601757425f703caff0aa0319b00d664c378deabfdbce0f86f76d7ae6a38a7c8
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SSDEEP
49152:dUo3c4JPoDLxCMEf51pgmQIVl65vdLT6ENytL8A3hGXoBC/gx/Ismly8hcMz6Kjq:ioVJwDLxCBLpa1PyQEG4BH/oRHjZSf
Malware Config
Signatures
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resource yara_rule static1/unpack001/nyxia.exe themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/nyxia.exe
Files
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nyxia.zip.zip
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nyxia.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 11KB - Virtual size: 20KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 4KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 200B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.3MB - Virtual size: 3.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ