General
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Target
blasted.zip
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Size
90KB
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MD5
c0c1f4d447518ec3466b3196a6bc8bca
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SHA1
9cf2ec0c7bfb0ba18e85fe5c79d61165cb14dbbe
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SHA256
2761a5557845a1135de74de2cdb687900d3bd244d9d1966dd195cbfba61be36b
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SHA512
27fa369739f241bdfe06331dad818b23685c5c0cd0d2f76498706809685e28f60ad51ae310da768dda20bfece81da1a2dca964fcd4ac289f61872b5c0a9a0443
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SSDEEP
1536:a7k84F02OAAVLwSnX6BkLWU+tgX0I6BZftKXPfK1wg6/9MJAfbOYa1FSsediF:/3tqLL647kBJAXa1wg6/HbOYKekF
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1318597375148687402/hi7z2fLgO4RRvXrp-fdHKsRpZGU-JbAhrm4wxVPBT5TIEA3KCmg8Y6RBurUI3jSJhEQ5
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/blasted.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/blasted.exe
Files
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blasted.zip.zip
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blasted.exe.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