Behavioral task
behavioral1
Sample
Winlogon.exe
Resource
win10v2004-20240221-en
General
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Target
Winlogon.exe
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Size
68KB
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MD5
fb95f6096a32c8e1096ff6de6b8e8d4d
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SHA1
8bc4651868f7419360d328d3daae1520c7258a93
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SHA256
cc238131946df28f6b6ff6272b0fc2e17c1d3053572417763c11e83f4c180e62
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SHA512
f19bcb16ba8e148978df1a13af636ea9333736fdaf13e2f7deb2a2fd46bda5652c9dd0999efe7429f9174d728960f088ba3bd30c7c959d31e20064158d0f1280
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SSDEEP
1536:o5a2iNdVQeP8KY+bk3gVwart9Iy+LNjROOJm/:oAnVNY+bk3uwuSLxROG8
Malware Config
Extracted
xworm
scamkiller.loseyourip.com:14445
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Install_directory
%AppData%
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install_file
Winlogon.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule sample family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Winlogon.exe
Files
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Winlogon.exe.exe windows:4 windows x86 arch: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: 65KB - Virtual size: 65KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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