Behavioral task
behavioral1
Sample
stub.exe
Resource
win7-20230220-en
General
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Target
stub.exe
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Size
102KB
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MD5
e162b1333458a713bc6916cc8ac4110c
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SHA1
7053e1ae3e60b42f9fb8850f8a727099530c8fcd
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SHA256
2b3b8c1083bb3e4524b758a755cf17fbb352aa92d272912997bd0674365d6d02
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SHA512
9a508117a757e4fcf192916641c77e26769e5939b6c3fa078fedad9a2821e24e69de0da74dd0cbff0309aa28cd813599dc261ded932a711dfdbb80c7ea3b353a
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SSDEEP
3072:BW8APjq+thIi0nPFhBbxCTomsVQYcU363K75rVzQgWzeuyb1X4Lt/VYLl4ECizQh:A8APwPFhBbxCTomsVQYc463K75rVzNW1
Malware Config
Extracted
blacknet
v3.7.0 Public
[ID]
[HOST]
[MUTEX]
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antivm
false
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elevate_uac
false
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install_name
[Install_Name]
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splitter
[Splitter]
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start_name
[StartupName]
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startup
false
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usb_spread
false
Signatures
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BlackNET payload 1 IoCs
resource yara_rule sample family_blacknet -
Blacknet family
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule sample disable_win_def -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource stub.exe
Files
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stub.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 87KB - Virtual size: 87KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.sdata Size: 512B - Virtual size: 312B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
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