Behavioral task
behavioral1
Sample
release07052024.exe
Resource
win7-20241010-en
General
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Target
release07052024.exe
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Size
234KB
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MD5
b7003ff817ee11ddb615fd88dd82fdcf
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SHA1
43cb7c473ddcff872931ed0628cf25543cd56593
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SHA256
2d1d0f47365bdb80e32d3378591b13b6412d2b67071d8083f95c8317cfa60fef
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SHA512
b5ba5b1c858623a2d75316199229fc2dad581200b874ef2907d795948d79605237e7195365d81eedf3c5db9cd8c1542d638cd94ca47fb9911502e6596269ec6e
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SSDEEP
6144:XloZM+rIkd8g+EtXHkv/iD4ZDmsN8e1mqtiU:1oZtL+EP8ZdG
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1258871243151511604/TGjaKxtf826E6AVqdGizdApxF6m1fbbUC9epKT-XAklhrTK-B6v7A5LHoChWHOPpWUBO
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 release07052024.exe
Files
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release07052024.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: 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