Behavioral task
behavioral1
Sample
BootstrapperFixer.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
BootstrapperFixer.exe
Resource
win10v2004-20241007-en
General
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Target
BootstrapperFixer.exe
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Size
74KB
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MD5
aa65192e44a3bda4ea039571429abac5
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SHA1
e1c8f9861e01d1b042d7267c5d7a6b7562f05c7f
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SHA256
03015c4f39849613a41ed43ed036ad274f80d005509177fcc902c80a36bb3fea
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SHA512
0e48d517c8730548497aba3fc99a1baa38f640e9f46f8061ac3f8dd9cb47eb5bfb0bb5daa24ef690225112b748b926ed3449623764f400b3aa2705f3987ffa3c
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SSDEEP
1536:/AySegvs9JRF1AFF9lr9bWsn7D9U64CURikOh1ATt:/Ukj1AZ/bWODsCURikOLmt
Malware Config
Extracted
xworm
uk-theory.gl.at.ply.gg:28001
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Install_directory
%ProgramData%
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install_file
USB.exe
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 BootstrapperFixer.exe
Files
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BootstrapperFixer.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: 72KB - Virtual size: 71KB
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