Behavioral task
behavioral1
Sample
bin/SolaraBootstrapper.exe
Resource
win10-20240404-en
General
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Target
Builder.zip
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Size
40KB
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MD5
d40f9a413d0066e832aa861a974e776e
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SHA1
7535c82245364af55f4868cf639d45884de0fe80
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SHA256
023d31f20b64a342f7e235ba6eed9ffb0eb1c07861d5b5c98c3fa1d69e9a1edb
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SHA512
defed2b614e24b5639c2b90b0760e3f891b73caa78d5226fca7d3757325196a264e1d8df8c21356cf55b29654b1d45b0e30c5f38c896a9f29d9afde85678c980
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SSDEEP
768:0YL9jEmgNyebFWWNmEvsdwaCpOiid1jWj63sZlnH9TbYawwUGxd:0YJQmgscl0/F2dgVwUGH
Malware Config
Extracted
xworm
https://pastebin.com/raw/qaWffTar:5
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Install_directory
%AppData%
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install_file
svchost.exe
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pastebin_url
https://pastebin.com/raw/qaWffTar
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telegram
https://api.telegram.org/bot7463094822:AAGTx_0CFW1-D8Ww8bfBNx_vguuJYSkKG_A/sendMessage?chat_id=7448818957
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule static1/unpack001/bin/SolaraBootstrapper.exe family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/bin/SolaraBootstrapper.exe
Files
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Builder.zip.zip
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bin/SolaraBootstrapper.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: 67KB - Virtual size: 66KB
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