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Behavioral task
behavioral1
Sample
c964c96a473bbd29377a62c0d6e1d100.exe
Resource
win7-20231215-en
General
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Target
c964c96a473bbd29377a62c0d6e1d100.bin
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Size
231KB
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MD5
c964c96a473bbd29377a62c0d6e1d100
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SHA1
879c4eebdfce76f13a2be8209c5b1ce3676152ef
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SHA256
e6ce3dd93c2d407085ea10bb6f22bd89a34e7fff719e5579ee47f4f2fdaed921
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SHA512
36e472d0b7d34a3b9968eb4c540cf839592df4b1147c1063fd0be4b72748cd48c0d8d46ef5cb6949932844951cd2f2dc5de7fdecbc98fc232958fe285813cf95
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SSDEEP
6144:xloZM9rIkd8g+EtXHkv/iD4085oBPUon6WvRsY9+N0C8e1mkHi:DoZOL+EP8085oBPUon6WvRsY9eHC
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1204353033006219314/vMrQARyQ3z_ff19Od3padG4gaMpg3BavD-KUV8yUJkYN1H6BIAYFbCU0q1jE4YP0wnk4
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 c964c96a473bbd29377a62c0d6e1d100.bin
Files
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c964c96a473bbd29377a62c0d6e1d100.bin.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