General
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Target
Nemezida.exe
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Size
231KB
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MD5
18bc878dd9de70a6e96dc283aaa986bd
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SHA1
cfaeee2d1e1f02690568ffa22d1be955cc318808
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SHA256
e8cba28d07b08b7267d7430bb1beea11634d76d549f2056e362b14871f645c66
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SHA512
af3040a2e2da1330b6821bb0cc59962a60095d1c7af5854e9c409225ce032946dfaee6a3bd35cfc3b584315398801e5ccc0601b3e0fdb49216f6e35f28888c23
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SSDEEP
6144:xloZM+rIkd8g+EtXHkv/iD4cZO/GELnsGd42X3WfEb8e1mpi:DoZtL+EP8cZO/GELnsGd42X3W8b
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1360276909551915029/lC-vw7kRiqutkehNUDibMCgd2Hd6PFiq86JSv2ugXDPC7_FGRYRy6t4EL1s_Fy6LAyD6
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 Nemezida.exe
Files
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Nemezida.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: 228KB - Virtual size: 228KB
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