Behavioral task
behavioral1
Sample
dead-payload.exe
Resource
win7-20240220-en
General
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Target
dead-payload.exe
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Size
254KB
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MD5
25a2522c3853f29cea7396fcd3e70c7c
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SHA1
188fced84fffb29a17ce8828ac90911665512386
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SHA256
6f79fb9f7c9883bc3151bd95bd88f6e0b3f86c4b0f536a8f099a55656d922766
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SHA512
3140244dafd52f55574eb18250c0b2710c1276b134ba0747d13e233501fbf7324f8d7b92080a94c6006a8983a190e9953f942e8cba1b1a79eb851608986512d4
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SSDEEP
6144:K4oZoAeVHPtHgTIAaZgCwDx7axHU0unC28ejI817:xoZyHPvWCwjXCsII
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1258325758711955526/jMftTg_QUPzASOp2HIvH0HVEhLUjLiSfM6pBOA08b8O6F0eewk5xbEn9dXKRONWN5hZS
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 dead-payload.exe
Files
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dead-payload.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: 251KB - Virtual size: 251KB
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