General
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Target
puutin.png.exe
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Size
286KB
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MD5
69ae905eb53c2480dbbaeaf0070cf597
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SHA1
417e12e2cb4a86a1b76c7e4de1eee03aa3c55b91
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SHA256
41c96abcb552167c939b9f2f08e59d1608a35111dca47ecc14c6b7f7dfa1dcb7
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SHA512
f2700446ed7b33d233211ff8bb9072e8b78c726ea52b85e7a83ae41c006bae08f571b6f1e56f3397e99bfda7d6e87fcd0664929b80e90a806dac608b832564dc
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SSDEEP
6144:GloZMCrIkd8g+EtXHkv/iD4hHr0AmB5KP/Cwhl014b8e1mu0i4e+8T:woZZL+EP8hHr0AmB5KP/Cwhl0yX91T
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1194986139333967953/MaUld_ZSZR4-nceYC8ZTjsEVA6kWz0MlrslI1kSyJsiAyXl127esUjR68igwbUBTBGpq
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 puutin.png.exe
Files
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puutin.png.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: 58KB - Virtual size: 57KB
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