Behavioral task
behavioral1
Sample
733c9f0a21cb6a4386496fa43fd1b2255e07adec398ea5a296523ffbacf83277N.exe
Resource
win7-20240903-en
General
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Target
733c9f0a21cb6a4386496fa43fd1b2255e07adec398ea5a296523ffbacf83277N
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Size
227KB
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MD5
a9c85ce4900aa26ca173db8d18423290
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SHA1
913ff9008ac363798994a5db576357623c3abb6b
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SHA256
733c9f0a21cb6a4386496fa43fd1b2255e07adec398ea5a296523ffbacf83277
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SHA512
2d2eb846ea057068ce639c39494adea686bbc76b7cce0eb4c0ea7396f0048bb3fafe3d9b24421d906d321576b8f3ac6517d4fa69886fecf958690b8fdf844cc9
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SSDEEP
6144:eloZM+rIkd8g+EtXHkv/iD4mI1UOsTPkhFQu//O6vb8e1m0Li:IoZtL+EP8mI1UOsTPkhFQu//OAg
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1282055476837879861/29zT8D_I9Jr87Dskp8KAlHzBq4n7Wm1c9jw1R8LwI4OONQmvMGmGbeoEjhxhZcNokYu7
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 733c9f0a21cb6a4386496fa43fd1b2255e07adec398ea5a296523ffbacf83277N
Files
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733c9f0a21cb6a4386496fa43fd1b2255e07adec398ea5a296523ffbacf83277N.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