General
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Target
Huy.bat
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Size
230KB
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MD5
107fbd66e307aec7540e2cd20a9bcb34
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SHA1
3b9b1aaae9f92d76f3004797d61e00ab2e8827e7
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SHA256
dd0f083b53019355be2e48e58bbe0c6fd98a180e2921f7709984d228cb6e467f
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SHA512
754ad589254db37d7e4cc9d88edbeb7f65237932bd432e2d5f69bbe0eb194e4bec372db8e7b0dc5114498b02e8022261b6662a683961d7c391647dbaa0dcc2ae
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SSDEEP
6144:1loZM+rIkd8g+EtXHkv/iD4wsTRdLocDXabtIExfG2b8e1mnn8i:XoZtL+EP8wsTRdLocDXabtIExBAV
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1296560289818480691/ulnfTZvQzO_rSsv2ax9-ULnnINXCyJz88OOjVQXiZ_dqa5trdVDnncFvpjubS3i_jPrx
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 Huy.bat
Files
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Huy.bat.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: 228KB - Virtual size: 227KB
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