General
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Target
Loader000.exe
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Size
229KB
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MD5
cab8f1fc0b55a0231b0e3014c8a47738
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SHA1
9c2d2fa13008bc2c0b8e2a8f07c7875042f3e448
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SHA256
68afb470367052ae91714e898eee5c54a1d679e7d15ea630f0889b85dd264ccb
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SHA512
7ee8f11bca8fd9d15489253ffa28e712cf5b487730ed9fcb86604b07a29f1b6c9aca588c88b343dd4690a543a273287e2367281ea0a0bc7e089f189fc9446157
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SSDEEP
6144:dloZM+rIkd8g+EtXHkv/iD4H1VyKInDApZMK7bClBb8e1mLv5i:/oZtL+EP8H1VyKInDApZMK7bC3go
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1258928800667013173/DvSNDx8UujKqg_zWxE1L3bqI-3s0uvzsNzSUZoFFQZDDotbIxMM-gKCFKRuUFNZd9I3k
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 Loader000.exe
Files
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Loader000.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