Behavioral task
behavioral1
Sample
mechanica.exe
Resource
win10-20240404-en
General
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Target
mechanica.exe
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Size
235KB
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MD5
c0e8a2ef061d2da5952f7012a2284150
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SHA1
820e883e45b719c5408b557ddb68435f72587876
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SHA256
735ce0dc54202d20fe97e8849619dcbdb676263f702176f538059926f98a8054
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SHA512
bcf5da34b1a480311d84de187401163500a6a93c06f569713429c8230421ef39121824fbaa25d97fecb3fedcafc161f0a31c94ce1f4aba02ed830d937ef8bb1c
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SSDEEP
6144:zloZM+rIkd8g+EtXHkv/iD4rXcqAmB5K5/Cwhl0Ktb8e1mO6i:xoZtL+EP8rXcqAmB5K5/Cwhl0Ov
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1230737744674689205/bvVoK3_nMVfUC-SWOFZJpeIl8ie0Fxtq0ZkIS_qQ8DqRiUACtvbeX0x7WuxX5ve2rgex
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 mechanica.exe
Files
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mechanica.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: 228KB - Virtual size: 228KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 6KB - Virtual size: 5KB
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