General
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Target
Voxiom.io Loader.zip
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Size
141KB
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MD5
ef56f0e19e96b9da01ca5f463d0806ec
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SHA1
dc5facbdf1ba40a99c7f1e7776a33c05c6598316
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SHA256
fdaf5bca3b3bad4071595db5558a1c2e927e7c6e822030d37f13a861adfee77d
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SHA512
d4bc28261edb09b0aa558a1eba3961193076c42d4ff7aadc545847366b6a6617275b30118303e0f9acc5e4d6289836d96c43dd0c3f1bb649cbfe4d6406805ad4
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SSDEEP
3072:ctE1syfrh2/9CRZiuTwRGjLEcYEUkaEt/pGaghfRNJHcRzhl/:cilIVCLylk9/4agh1HcR9p
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1158524014961111142/-VPn4v1yBepEWZwAJNhu7Jx3WfJFd5I-E4UpnmpC1VZOOQa7-MmG4YDnlX0EK-pxyOKf
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/Voxiom.io Loader.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Voxiom.io Loader.exe
Files
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Voxiom.io Loader.zip.zip
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Voxiom.io Loader.exe.exe windows:4 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: 227KB - Virtual size: 226KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 51KB - Virtual size: 51KB
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