General
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Target
Nowatermarks.temp
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Size
229KB
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MD5
79d545d3f6a46db17e8dadba1bf623ae
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SHA1
f289247a7620ff890ac3d5c87c13445c83b2a02d
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SHA256
1e94a2848737d3fe8046f4dabcfe94c250be5085802edce428e4dd271f459a19
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SHA512
bd14dec25736a52f79f8b9e4aede9981ffca9ff78e2dbca875802eff7525495a17c506c69b74b572c5e18aca2c7df05b11adaa1160a65f9e2df1f4e8b5b1f447
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SSDEEP
6144:lloZMrrIkd8g+EtXHkv/iD4ITZHR/k4XSG/BcoNTo6lm8e1mCKi:noZcL+EP8QZHR/k4XSG/BcoNVSHv
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1271195767931146271/iNqcQXHndflroU3wKuHImLpW56jZ6ZCv7xkqHYGTn6YCeSATY-dipTigRMDm-yI4L0v7
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 Nowatermarks.temp
Files
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Nowatermarks.temp.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