Behavioral task
behavioral1
Sample
c2f3bc3c8bd87178205ea3c72c1c15ff8e79586bb56c88edb1e4db3099af1cbfN.exe
Resource
win7-20241010-en
General
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Target
c2f3bc3c8bd87178205ea3c72c1c15ff8e79586bb56c88edb1e4db3099af1cbfN.exe
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Size
366KB
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MD5
f856292a46803beda2e424494f860b00
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SHA1
f668d96f3134eb19690aeb24099bcc22f2f95152
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SHA256
c2f3bc3c8bd87178205ea3c72c1c15ff8e79586bb56c88edb1e4db3099af1cbf
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SHA512
686fc364d44ed83b600dcaec2544b3bbfe6850c246a93c342e3a7cc6acde09eb0db7c9fd2d942b7fe318593316d9455fcb40f7597b086c98ad5e483bb32a835d
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SSDEEP
6144:1loZMOrIkd8g+EtXHkv/iD4PF4sDJ6idrIJbGmTesb8e1mXXBiZgLojfLeV2givU:XoZtL+EP8PF4sDJ6idrIJbGmTf0XYZgu
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1321489615647146057/X8eF3J4Sc32NW6FJiC2nnxazCHM7RsJIN7n2vNm4MP3CDVriSFU5U8YGXQ8tm3HM8ZbV
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 c2f3bc3c8bd87178205ea3c72c1c15ff8e79586bb56c88edb1e4db3099af1cbfN.exe
Files
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c2f3bc3c8bd87178205ea3c72c1c15ff8e79586bb56c88edb1e4db3099af1cbfN.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: 138KB - Virtual size: 138KB
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