Behavioral task
behavioral1
Sample
Nursultan.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
Nursultan.exe
Resource
win10v2004-20240426-en
General
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Target
Nursultan.exe
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Size
40KB
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MD5
eb348050a2dc98f35d3f0acaa68b4385
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SHA1
6972486ad5254b20c2ad9cee5ed5bd492ef56163
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SHA256
23ff5ec605cc2e4dfcb6909d80a77ad5ada6c2bfa2b407b366e4e7965908872e
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SHA512
c296267beb99a5938c2200315ce7584ae8e6a670387181868f28739f894b66d088beb279a101f065a82bc144ab2c425f945b399b36b1e49abf963c4c2e7d66bc
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SSDEEP
768:BFyv5LKrcO/Ev6Oe8MbM/gzhBIF5PO9O1K6SOMhx381:BUZucOKO3beFY9mK6SOMTY
Malware Config
Extracted
xworm
5.0
KORdvbd3dtL4zBLr
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Install_directory
%AppData%
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install_file
NURSULTAN.exe
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pastebin_url
https://pastebin.com/raw/RpN22Tm3
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.exe
Files
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Nursultan.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: 37KB - Virtual size: 37KB
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