Behavioral task
behavioral1
Sample
release5102024.exe
Resource
win7-20240419-en
General
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Target
release5102024.exe
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Size
234KB
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MD5
0e686473973693d296760e2c8ea19dd8
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SHA1
80bf5c75bebb592eb88322c3a4dda1f056b33b69
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SHA256
330257ac72a4b7cb8d45cbb4d5f888bc6c69f139e7b0edf1cb64f2c733d846f7
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SHA512
c06039e42a95c8ca0ec7fc8bfa5ac002208ffe69d49f7379ab272772496a1c08e165b7220748df52233ef7187c2204ecf2eecaa9a7aceeabd3b29bc32fe84e0f
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SSDEEP
6144:XloZM+rIkd8g+EtXHkv/iD43WZwEbhS6FvAxDeebyAb8e1m9ii4:1oZtL+EP83WZwEbhS6FvAxDeeb7m
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1238594444178096289/TfFp2BIF3gI-jN7QcJ_G3TBbemRzhLns-wcLMlz-XMR6wfrO6onaNYV-JZ-f4ISI78_y
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 release5102024.exe
Files
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release5102024.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