General
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Target
nova installer.exe
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Size
231KB
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MD5
bef480ab09f3eb334f70e412244d96bc
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SHA1
56c1e8bf806570155c229e077f00d4403ee50474
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SHA256
6df5a020b8998f42c05475cfa66462818ced5e4f5102da54afe312f0be0325b2
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SHA512
d630b40c4694713a3d82928d0a0cf337778d50f828470373b33442d474ce7df4bdbfc5f5689f0185ec5935e391ff9ac390fc56a97ea4976bd2d8b1a4108afe87
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SSDEEP
6144:RloZM+rIkd8g+EtXHkv/iD4SL/yuMzvExlwOffuhU8aemlT8e1mei:joZtL+EP8O/yuMzvExlwOffuSjl6
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1149921374136176760/Zo94Nno2vPkbI8xnREWNtddo97Q5wc3ycRFLdccF4QqcXBWF4l_-UALvsRA-PS9cmQD5
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 nova installer.exe
Files
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nova installer.exe.exe windows 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: 228KB - Virtual size: 228KB
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