Behavioral task
behavioral1
Sample
NEAS.e8dc6836af5afe2632a7ae54ad535110_JC.exe
Resource
win7-20231020-en
General
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Target
NEAS.e8dc6836af5afe2632a7ae54ad535110_JC.exe
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Size
227KB
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MD5
e8dc6836af5afe2632a7ae54ad535110
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SHA1
c10649f60077387b0712e590ec913354fa73258e
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SHA256
596381f20e3acd0ace416366333b3614d003d8119a77769e183cab2e9990fd53
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SHA512
40d9ea7bde3f6bc763ecb385be25adc2a297208562cd77bf862fb54cd97e5e061c927c989a0f0e8795182fcfb1a83240ed22fc1988e2d01ee1dea66fc3235891
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SSDEEP
6144:MloZMNrIkd8g+EtXHkv/iD4FdV+mkrHMc9YW3X2lAb8e1mMbi:KoZ+L+EP8FdV+mkrHMc9YW3X2ef2
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1165896230807806014/v7p5hDxxKGk6W3-qSP0EC531GKTmo-zJvE0Y_aKaraPWytxWR3zEjYL5gqFyhycImJdz
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 NEAS.e8dc6836af5afe2632a7ae54ad535110_JC.exe
Files
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NEAS.e8dc6836af5afe2632a7ae54ad535110_JC.exe.exe windows:4 windows 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