Static task
static1
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
Umbral.exe
Resource
win10v2004-20230220-en
General
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Target
Umbral.exe
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Size
232KB
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MD5
e3d20fd41d4fcfde3badac6d6e062a89
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SHA1
21996106382283eb58f33c12e027df8b22367825
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SHA256
e17a12d9808704bf454a6d5c2ec86d2d36c25080207ae8051d019cc49f5a7b14
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SHA512
217ee029a74df215252d2fd74080f025dbec205cac431c89541a2e4ac6a20c778a0fbca28e845f1476094daea3706fc35a3e3a690c77fd951d87dd263f537eb8
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SSDEEP
6144:BloZMDXU9Zx0kt8X0/PSCsMHQxOLxCqV4QhTuOLj8Bb8e1m3V+i:zoZnf0kkPGQxOLxCqV4QhTuOLwgz
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Umbral.exe
Files
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Umbral.exe.exe windows 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: 229KB - Virtual size: 229KB
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