Behavioral task
behavioral1
Sample
0x000f000000015c87-15.exe
Resource
win7-20240729-en
General
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Target
0x000f000000015c87-15.dat
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Size
229KB
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MD5
f48ef033300ec9fd3c77afff5c20e95f
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SHA1
22d6125b980474b3f54937003a765cdd5352f9a8
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SHA256
72ee11a905ca278130f02397422b4cc4944851065ce0072f9888b70c5ad40f1e
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SHA512
847ee8cdb14879089c861168d6be90325304df490668a38447b37772423e6dab5e32a5df344ceb58410d3b24cf25cd7221e8768951e5aca14820996a1e8304bc
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SSDEEP
6144:lloZM+rIkd8g+EtXHkv/iD4In5D4+ZRSy3q459cApb8e1m1i:noZtL+EP8In5D4+ZRSy3q459cEX
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1221847080373584144/7stbODqa-C2IH_V1s7-AaD6fECqR68YLov_s341xewFGvFGlgl7fRFcAsV3CtRNlSgzQ
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 0x000f000000015c87-15.dat
Files
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0x000f000000015c87-15.dat.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: 227KB - Virtual size: 226KB
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