Behavioral task
behavioral1
Sample
Auora.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Auora.exe
Resource
win11-20240412-en
General
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Target
Auora.exe
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Size
231KB
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MD5
a96e98be73b7840e10e039d7b3b2a72a
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SHA1
bde4c46b9a32ba14aafe652ebe14cb03ba2692a8
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SHA256
886a78f6d4a3bb1667c7d8ba553487a9d42fc38188253d3604cfe5c0743b636b
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SHA512
c4855010f4b9bf3c0d3f2b78447380d0f85ed440355ed0ed39f10727b44d555f1a7b9ae3a6d241f313d85fa8f052692c20149ecb5b4f6b841291a3f12651ced7
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SSDEEP
6144:xloZM+rIkd8g+EtXHkv/iD4yr5ClW8e1mzi:DoZtL+EP8VCv
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1231285868673761290/A7kDRsbI6W0T22kX0NRWAvj7IvcP_OfFLnEcTAyyedJeT5cv_F3b9okZKA1DXQqGq_CO
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 Auora.exe
Files
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Auora.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: 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