General
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Target
Fizzy Loader (infected).zip
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Size
88KB
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MD5
bdd562f68e39fcce44902713a1b74aa0
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SHA1
7a3e8189c5f040435f5ba3423959dd1de5bd1771
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SHA256
dcd2165bc18a4476c887c7e62358ca63cb3d3b3425b0ee09acd362d1972a679f
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SHA512
611c312a6638476a08a9063131b9477edc17bc6566a0cfff3f4fbf68dd38aec837160dc679615886657e0ce3ef137b40774aa671e2340366027611ef5a2bb30f
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SSDEEP
1536:KpLn43go769Trdlt+gvRhZ+UOSJKgzHC8iSqB83kJQwzwoMW9TkNTpZ:KpL4QDdlWUOSeYbwphkNTH
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1323224754576166912/ngAQr5IRg8PVqlg_GePwPe46g-WcVmFR7-gQu1RH44lVF1JX9hv6jSy8rNgxBAU6LxYx
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/Fizzy Loader.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Fizzy Loader.exe
Files
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Fizzy Loader (infected).zip.zip
Password: infected
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Fizzy Loader.exe.exe windows:4 windows x86 arch:x86
Password: infected
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 227KB - Virtual size: 226KB
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