Behavioral task
behavioral1
Sample
spoofer.exe
Resource
win7-20240220-en
General
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Target
spoofer.exe
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Size
229KB
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MD5
67a5fee3d0f74d7105431c44bebc3e0e
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SHA1
bc1e2157ee1b8f701869caa5f36d6540d5c98f45
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SHA256
e61c940bca2685a97f063c2a12031e9a7db76bdcbe1e87257f60ca3117ab8a91
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SHA512
210073a102e0994e193c2691e48f56b012b15f753bb784b13c691e11648b86d0b541e835ce5ec276242558fbd55ef8b4679de7a7a8fda18d61fa1b16c1cec8f6
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SSDEEP
6144:dloZM+rIkd8g+EtXHkv/iD4AtmXjsv8e1mpCui:/oZtL+EP8AtdiCD
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1212580806724165662/ST3kafoJ05qNJHjQD4fLY8E5rEdFtc10xLUikQCRJFUV6VpUqr3WXsXpudBNimoD5uxX
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 spoofer.exe
Files
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spoofer.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