Static task
static1
Behavioral task
behavioral1
Sample
XwormLoader.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
XwormLoader.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
XwormLoader.exe
Resource
win10ltsc2021-20241023-en
General
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Target
XwormLoader.exe
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Size
7.9MB
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MD5
5b757c6d0af650a77ba1bf7edea18b36
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SHA1
c2ee4e12ff4b70511dbcab25dbf8b0d45f2d52b3
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SHA256
c2a9fefda9159dd2712510c1c9077a1885d0ebc45251285dad95ba7184b98856
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SHA512
93ca04887c63c3a0a4a5d42c48d0f4f7cc7fe7f6dad4dd45136ac048639d2edab66a2d2459779b9a2a075fa8981ea40567b34e5ed0535c1deecfe5e838385960
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SSDEEP
196608:T7b4C6XrL5HfZBEhl3xZi5OslC9+PWbXooVl41u1mMFsr5:T7yvRZBEP3xZi5Oso+PWbXooL4Sa
Malware Config
Signatures
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule sample net_reactor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource XwormLoader.exe
Files
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XwormLoader.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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 7.8MB - Virtual size: 7.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 138KB - Virtual size: 137KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ