Behavioral task
behavioral1
Sample
66ef2d1d3aabff55217dda6c03b1867a7ca8adaad5fc1b01d6e058651b450d62.exe
Resource
win7-20241010-en
General
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Target
66ef2d1d3aabff55217dda6c03b1867a7ca8adaad5fc1b01d6e058651b450d62
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Size
227KB
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MD5
87d805618091e568a056c988e2c26cfa
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SHA1
aedfd6340df353946e6a6b0be5b0f02c3bc69bd2
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SHA256
66ef2d1d3aabff55217dda6c03b1867a7ca8adaad5fc1b01d6e058651b450d62
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SHA512
cace3d172fe91b7a971b5fdd64173fdc7a71ce8ca44b4af89a5ce1db9076e9e36614a3fa98305605f593ebcacc27aa0cb8b076a033f0693a5c7b93d0a98c255a
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD4ZCaClZ8e1mU0o2i:ooZtL+EP8wDD0G
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1334839913887039558/8n5-syCAVJvG5FhLtql3iCMklZiY9EDjOCye4f0kwVlW2D4fgZ2AlaEnSjTvodG7yJG0
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 66ef2d1d3aabff55217dda6c03b1867a7ca8adaad5fc1b01d6e058651b450d62
Files
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66ef2d1d3aabff55217dda6c03b1867a7ca8adaad5fc1b01d6e058651b450d62.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: 224KB - Virtual size: 224KB
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