Behavioral task
behavioral1
Sample
Client.exe
Resource
win10v2004-20240611-en
General
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Target
Client.exe
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Size
243KB
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MD5
91514e73831a2a7c33a4717b8919a701
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SHA1
4567e93d361355d132c38945c16ad4cc2d8dfb40
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SHA256
5434600792908e06aada3ae4126942fe553fad402683db1e4bdd11b4b3e3cd12
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SHA512
961f4e24526b51cb004a09aec64a0f3e4c89f6dc3f3d760ccf1460ea16a7659655b7f1fc5e5f9f12976dbc2fad49d4db0f18ab7988aa6e30421d53d9e2cb2cdc
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SSDEEP
6144:qCoE/UVPy/oCa+LDZWC9z5dHbC/Gknq1diPpN:dozPygCa+DZ+nq1cH
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/VcZNj6wE
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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: 238KB - Virtual size: 238KB
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