Behavioral task
behavioral1
Sample
UDware.exe
Resource
win7-20240220-en
General
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Target
UDware.exe
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Size
230KB
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MD5
a8239dd24c8bcc00d3ba4472126d0739
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SHA1
453ee2f28b1c5cb171f02be902c694ffc3afaf78
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SHA256
a56f91fc9c991c4a2c3f29d2aee8d7729ba0e3209f45f8d38e3854cbeb1905cf
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SHA512
a6f0e2dbbdd1bbf6e8b024984653df910c12c9222a13ec2982da98f08a7002f222a0165c05a0ea9889a67c237516e4d6382650bfc37e7fbc2eb211fdfb8df4b7
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SSDEEP
6144:1loZM+rIkd8g+EtXHkv/iD4fY1OsTPkNFQu//OFfbtxjY8e1mli:XoZtL+EP8fY1OsTPkNFQu//O1xx6z
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1216049652563185746/RR7XzH161Zz_dDI9BX8LCzC3lc65fM8MG_fb7t_oF8Ru23uK1LFKz7njN0fsBZDjWKlp
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 UDware.exe
Files
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UDware.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: 227KB
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