Behavioral task
behavioral1
Sample
SolaraBootstapper.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
SolaraBootstapper.exe
Resource
win10v2004-20240709-en
General
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Target
SolaraB.rar
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Size
38KB
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MD5
a7dd1ccb2a508548af327d3a831b1540
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SHA1
edae272b29a0fc480db3512f8d698793aa56d84b
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SHA256
35ba562b6c3e8b92a791db5a6341150428fea42222f82abf40f120a81b6d7c58
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SHA512
bb224f85d0f63e6f31f2bb079be7c82f2c6845fb12097add1bca297fab58ed2bde3424dd67733a477db9008b3396de8e3ab703678820bc3bcf274f549f01b8d2
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SSDEEP
768:UooHRJXPXgfSFfSypjNdUoM224xWKr/OWtMiK7eE1nUVBqSYgK00LPfVaaIY:NG9hRcBSQq/OWG7R1+XKXfVJP
Malware Config
Extracted
xworm
loss-winners.gl.at.ply.gg:61007
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Install_directory
%AppData%
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install_file
Expensive 3.1.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule static1/unpack001/SolaraBootstapper.exe family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/SolaraBootstapper.exe
Files
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SolaraB.rar.rar
Password: 123
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SolaraBootstapper.exe.exe windows:4 windows x86 arch:x86
Password: 123
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: 63KB - Virtual size: 62KB
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