Behavioral task
behavioral1
Sample
System32.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
System32.exe
Resource
win10v2004-20240508-en
General
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Target
System32.exe
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Size
73KB
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MD5
db85ba4410e7f75924ae9b7985875203
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SHA1
d38c7fdaab9cab8c2d92f459301097e09a05c960
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SHA256
6721d9a40d2fecf4c74d5cf326ffe4a709b5fd8b75ce188ee5567f1d803a18ab
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SHA512
63a2856be3b1d8565badccd931fb98a160d654b447e1365140648b8fd269c71afc6788875e6c1bf0a8899a88fb786545e7cacd5ddc1f004484c42abd0416dfd6
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SSDEEP
1536:3ofoesNaF+O41JIlLQbl4sUf7KFBuH6DrDO9Bfy8s9S:YgO44abl4WPObfy8yS
Malware Config
Extracted
xworm
https://pastebin.com/raw/PG3MaVGP:123456789
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Install_directory
%Temp%
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install_file
dllhost.exe
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pastebin_url
https://pastebin.com/raw/PG3MaVGP
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 System32.exe
Files
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System32.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: 70KB - Virtual size: 70KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - 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