General
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Target
1.exe
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Size
229KB
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MD5
5fed770815d7cf7b02aaae74b88bc714
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SHA1
04099bfd6e5c89ee51296afd86ec3bed6ddac845
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SHA256
290a02feff29e0cdfa6a4e70d2c2e330806b4768ea4c3ff4e3eb4588522d15c1
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SHA512
a515102a99ec842bb576851e57fca15ebc41dc92678f8f98d9810d5725a51ba035e9147ba5fb7297f79e06e7905669269b560f07999737ad8a61311d70968cb6
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SSDEEP
6144:tloZM+rIkd8g+EtXHkv/iD4aHlhQWRJ6pvSgR1E3tb8e1msi:voZtL+EP8aHlhQWRJ6pvSgR1Edu
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1227762500397957251/dhx837yEVk8TXKU5bvJVlgCsA8i_NvgSQGewCTKL2ilj0l-2oZcrxFTGCGQRtFflB5mA
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 1.exe
Files
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1.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