Behavioral task
behavioral1
Sample
Client.exe
Resource
win10v2004-20240611-en
General
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Target
Client.exe
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Size
241KB
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MD5
ccc910296b7389ba076ffeed54ec400b
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SHA1
6dc995e663fd4c84d35ace40733df462f3282340
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SHA256
ebf854c44cf0407faa99b0a60ced1b4805c33249cbc0828554cf1aef7b1c1c79
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SHA512
45ef0543176424185603492d7c9043f6b28b30611776d04606d4d041f385ab81f4c814d107b8d354baa3c43402be82fe82658fbf7348b9d89a9c0cde1e40b86c
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SSDEEP
6144:x5WE/UVPy/oCa+LDZWC9z51hDba8DTknq1di7QN:vWzPygCa+DZ7Dgnq1c4
Malware Config
Extracted
limerat
False
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aes_key
1
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antivm
false
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c2_url
https://pastebin.com/raw/wEZKjNzb
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download_payload
false
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install
true
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install_name
svchost.exe
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main_folder
True
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payload_url
True
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pin_spread
true
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sub_folder
False
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usb_spread
false
Signatures
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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.
Processes:
resource yara_rule sample disable_win_def -
Limerat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Client.exe
Files
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Client.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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 236KB - Virtual size: 235KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 3KB
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