Behavioral task
behavioral1
Sample
Nursultan client.exe
Resource
win10v2004-20240508-en
General
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Target
Nursultan client.exe
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Size
63KB
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MD5
fe07501d3d052f3240fa2d9da7c2c82e
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SHA1
5de5b5464823f238a307f275e5b3f76538ed3405
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SHA256
234e2fcf0ebc371b24ab62bba7a3387476c231181b22d501b3fe2540d89764ff
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SHA512
d4002ae6fc0fd8bb9476b2689657797f18cc350062da3c66f56d6049cad5dd34949e2d03e6ba180b2dc131792f310f0ac3ab77b8cae479a1f5106a002457d129
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SSDEEP
1536:m3TWTAuDrpLgRpy6oNrkbzNwK4gckS6ImUR7Dq79VkpOuRxDGE:m3TWlcg6ikbzNHKx2PwOaxDGE
Malware Config
Extracted
xworm
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Install_directory
%AppData%
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install_file
Runtime Broker.exe
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pastebin_url
https://pastebin.com/raw/kYPYyCCf
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 Nursultan client.exe
Files
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Nursultan client.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: 60KB - Virtual size: 60KB
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