Behavioral task
behavioral1
Sample
secondslut.exe
Resource
win7-20240708-en
General
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Target
secondslut.exe
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Size
229KB
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MD5
1d2a9064181fffe2ae21bb90c9691d2b
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SHA1
eb03952450e8f309fb04058759e142740eb08069
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SHA256
3d37df482191306f97b6a590305624e1316082e2b655812f4cda62641afd20e1
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SHA512
fd25b17d558304b816fdc76bdc979f0e054dd7090ee3051044ce3fa0ed4e1e1d059f447b412b0827d6897a43e21bda5d6e476b7ee2f78d8f3d233e9f04c82328
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SSDEEP
6144:FloZM3fsXtioRkts/cnnK6cMl97ERPlO2Zjc1niinbVb8e1moi:HoZ1tlRk83Ml97ERPlO2Zjc1niinZ2
Malware Config
Extracted
umbral
https://discordapp.com/api/webhooks/1289196962704265226/4SROW5curUe6n7EGqeWKq0HqFRBeB_OQKYzM0t6rypXLyCDNVVp4kP9wEcDGDnfwyigA
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 secondslut.exe
Files
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secondslut.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: 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