General
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Target
SolaraBootstrapper.exe
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Size
76KB
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MD5
bc94086e2036da5f5e1a2ac0928e2c03
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SHA1
f5d79c9432850307a47d4fd873dfb14be3aa5e15
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SHA256
612b0356c006b5eb17da648dc017c7f875502f633c2aa57736088bcadc7ea284
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SHA512
4019f1f96e6b2e067d2b82aadc560dace517c6350372ebfaba41d375227b6a0fa767b9845ec17c7421c3ed54827c0c70c2ce92490649358c51f7a16da383dcdd
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SSDEEP
1536:gqI/O41iTIi/pU78CPP2k+bo+bOZIwb94O+M1O:gqW1iBYnL+bo+qZIC2O+Mc
Malware Config
Extracted
xworm
127.0.0.1:7000
192.168.0.42:7000
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Install_directory
%AppData%
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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 SolaraBootstrapper.exe
Files
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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: 74KB - Virtual size: 73KB
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