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Behavioral task
behavioral1
Sample
3fa004ae1034e479a4c536a09468edbc5e55271c7833d6768252a1f7aa1ec3ea.exe
Resource
win7-20240705-en
General
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Target
3fa004ae1034e479a4c536a09468edbc5e55271c7833d6768252a1f7aa1ec3ea
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Size
229KB
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MD5
8887b7baff5156a22acd0a8f5f59d606
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SHA1
a77181461892efdd781892b9b676a78fce0615ae
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SHA256
3fa004ae1034e479a4c536a09468edbc5e55271c7833d6768252a1f7aa1ec3ea
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SHA512
0f0f2055533ae30088a1daeb30aee278bc3c4e2f319dbd2f436880b6386774535a7e30ae964cf09ad6dd8f5038bba0a1c6abf919c5c4e223ebf58c9dcf629a0b
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SSDEEP
6144:FloZM+rIkd8g+EtXHkv/iD4HzVViAfbopxUyzzql8rb8e1mTi:HoZtL+EP8HzVViAfbopxUyzzqo9
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1278952898910490668/Fr9npPcktT2QnX_X-7sSKX5VEg-HxJcUTrcTmXyrOUMmCDuT3r7OTurtu0f7imdrxuSr
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3fa004ae1034e479a4c536a09468edbc5e55271c7833d6768252a1f7aa1ec3ea
Files
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3fa004ae1034e479a4c536a09468edbc5e55271c7833d6768252a1f7aa1ec3ea.exe windows:4 windows x86 arch:x86
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