General
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Target
tempspoofer.exe
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Size
231KB
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MD5
32e16912b2393c29fe60bbd22ae78e48
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SHA1
cc08bc0e843139864445f703dba130956c605be0
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SHA256
3df7f52703498423053930ac726878d23436a8579ed46ef247391c2b2536c596
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SHA512
f70da345c4345293b87a8b5f49d419b1cfd53e1dc9e30f8d50d97a2d6d84fb55356acdabd0df828ab57a22add86786207624048afd490b196ee9f05d6462a340
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SSDEEP
6144:RloZMMrIkd8g+EtXHkv/iD4oxXVoOJBiPHaIJtME/lb8e1mBi:joZbL+EP8oxXVoOJBiPHaIJtMCH
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1316505713056546948/47CKEm_8IYGcvo5LYUmMAWw_olYRtKOkYQmvQ6Q3Y5Sqzc_J6URjAi1o2b6JznoUsQWr
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 tempspoofer.exe
Files
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tempspoofer.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