Behavioral task
behavioral1
Sample
8d8bccb8e3ba54a5168e2c18becc4bece5bca90edb430f16c79279cf89a45874.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8d8bccb8e3ba54a5168e2c18becc4bece5bca90edb430f16c79279cf89a45874.exe
Resource
win10v2004-20240802-en
General
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Target
8d8bccb8e3ba54a5168e2c18becc4bece5bca90edb430f16c79279cf89a45874
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Size
229KB
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MD5
25a2fec95cda41fd3c61d60c94ff3364
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SHA1
beaf7f2cac9263de452edd2acf988c7ee80a3b1b
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SHA256
8d8bccb8e3ba54a5168e2c18becc4bece5bca90edb430f16c79279cf89a45874
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SHA512
30da5918a3afd72ec6f5ff5fb70f4d7c0a4d424f12b1fa1be9453bb8ee8df0cdc89aa05d6202d8392032f2f6e47b2c43ea36e024b0def49ed829bfe10ff2d830
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SSDEEP
6144:9loZMjNaK9/gMntXP03fCFZ4HZMs1tGRPAA/NotgKv8eFlLBT:foZwd5n734HZMs1tGRPAA/NpWlZ
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1285678240769245204/Dq6zV8vBVQwMR8PmcuFAplSv7V5Q4av4gvUflUzlpEaaJSOpw9baWNsnjhiJwoEYkK78
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 8d8bccb8e3ba54a5168e2c18becc4bece5bca90edb430f16c79279cf89a45874
Files
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8d8bccb8e3ba54a5168e2c18becc4bece5bca90edb430f16c79279cf89a45874.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