Behavioral task
behavioral1
Sample
KNRL STARTUP/KNRL.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
KNRL STARTUP/KNRL.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
KNRLBOOTSTRAPPER.exe
Resource
win7-20240704-en
General
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Target
KNRL EXECUTOR.zip
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Size
162KB
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MD5
7b4ded80d8a4de2f4fbb5676d2160045
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SHA1
2a3c8ecf1777d53f5aa6807c0233a4ad9bdf9abe
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SHA256
efa1baf24f60a06fe68e70d3e2fbc7dc9b937917bc24a76bff5bc503c91e959f
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SHA512
d8a2242a67b59f652b39e457660a36bc6a6f4804252353684fe037327cddb4b8279efa9c637c84f777647060d871d3b0be96e9764c8ce2b70619767f29bd1630
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SSDEEP
3072:uXn5wfW8/VwomdZEPJ8dmRLl/Xn5wfW8/VwomdZEPJ8dmRLlK:AOfrfm/uJFvOfrfm/uJFK
Malware Config
Extracted
xenorat
127.0.0.1
Xeno_rat_nd8912d
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delay
5000
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install_path
nothingset
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port
4444
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startup_name
Xeno_manager.exe
Signatures
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Xenorat family
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/KNRL STARTUP/KNRL.exe unpack001/KNRLBOOTSTRAPPER.exe
Files
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KNRL EXECUTOR.zip.zip
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KNRL STARTUP/KNRL.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
Imports
mscoree
_CorExeMain
Sections
.text Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 424KB - Virtual size: 424KB
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
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KNRL STARTUP/PLUGINS/PLUGIN.txt
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KNRLBOOTSTRAPPER.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
Imports
mscoree
_CorExeMain
Sections
.text Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 424KB - Virtual size: 424KB
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