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Behavioral task
behavioral1
Sample
a47429f5154f3004736a632274f3f39ef307a44d7f0f65feac008085ffa9d2a6.exe
Resource
win7-20240729-en
General
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Target
a47429f5154f3004736a632274f3f39ef307a44d7f0f65feac008085ffa9d2a6.exe
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Size
231KB
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MD5
d4614e3b2357a4cd0b0b8c4193d10fda
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SHA1
774af912c6d7685175ad069f22848d72d0dab03b
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SHA256
a47429f5154f3004736a632274f3f39ef307a44d7f0f65feac008085ffa9d2a6
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SHA512
39b4c4a02b58ad825277843e4ca7492f35b14e90ac32f60b9f9caecfe348598a8d836bae9b138661cf66ddb3cc45d6fb668733363a55bac818342b37a1fdfd69
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SSDEEP
6144:xloZM+rIkd8g+EtXHkv/iD4+Ocip3cw/oeHp0AVO0b8e1mMiq:DoZtL+EP8+Ocip3cw/oeHp0AVjiq
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1326652489054818346/f_cBTMEYAkXYcTbEkW-MUwYrefMORTfuoofsZ5ymJ5yR8BQpohmaCuB-PwAuIP1xAUKw
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 a47429f5154f3004736a632274f3f39ef307a44d7f0f65feac008085ffa9d2a6.exe
Files
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a47429f5154f3004736a632274f3f39ef307a44d7f0f65feac008085ffa9d2a6.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: 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