Behavioral task
behavioral1
Sample
testone.exe
Resource
ubuntu1804-amd64-20230621-en
General
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Target
testone.exe
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Size
229KB
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MD5
27eade2098a995bea21837cc28399e7e
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SHA1
3100f2f77ca8fd8d6c3f6a55285650e0f9ffaffe
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SHA256
4cbe7a16f2a8df8a51aa0f50f65d9d97195b254072589e87c54ba53e458c8a89
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SHA512
3830c7b09d3c250d3a7faf6adce46fabb45dd4ca96ad4e647b7b3c51987d79282a10030b7363fac380de642ab1a1940767dc5ce23b7d92429e984d73f0ffb53f
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SSDEEP
6144:9loZMXXU9Zx0kt8X0/PSCsMT9aY6ecjfU61gevPeDAb8e1m4i:foZDf0kkP6AY6ecjfU61gevPes6
Malware Config
Extracted
umbral
https://canary.discord.com/api/webhooks/1122952465063612421/Bz3tYEXYmVU2e4c5-1j8AyVX1r6p9ZEvLpzX95HtQ7Rg9Ty4r__5k6VGkLtHJHfTL9F-
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 testone.exe
Files
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testone.exe.exe windows 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