General
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Target
virtualVendors.exe.exe
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Size
227KB
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MD5
807e4614a20cea5b57f1f18d293898b5
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SHA1
2bcef1448bd7183916dcb11fb02c724c9b0df178
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SHA256
c5aa4106ddb48cfc62a61e2029fb71d43ab83b84fbb5bec35fc677471326fc3d
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SHA512
8c155b0950c70d1180d3bc148899b2452e1f69951f0c406e826be4fd9c835b415fa420b3d4f9b05dd1d82c5da9383da881739899902fb13dfe5aacba4e7cd939
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SSDEEP
6144:MloZM+rIkd8g+EtXHkv/iD4Yh/khv0IH62PxM4dtUb8e1msi:KoZtL+EP8Yh/khv0IH62PxM4dOK
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1231485093458214982/BBb48zT7ugCAaIOKrv6OBnDJwdlo9SYKRG-GilWGPq51CywezjXRolyG-vq3eLc0gT97
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 virtualVendors.exe.exe
Files
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virtualVendors.exe.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: 224KB - Virtual size: 224KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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