Behavioral task
behavioral1
Sample
yea.exe
Resource
win11-20250314-en
General
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Target
fbc39e38d112f99731151a8e2dc19765cdc18150109064c0df6f6a61bbbdf4e5.zip
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Size
13KB
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MD5
619f5922e258e6191ee53f1cf3cc3512
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SHA1
0d9fe876558b8d7cdfffdbfc210b29c331f1ea67
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SHA256
1edd290ace5bbaa0accd43b04495e88149a739836b628b803e6285a6f85ccd9e
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SHA512
25ac0e3b8e5950d3dcc987382f3ede8ac67055dfa73e8055d911cc8e29900524006cfda41c4325da35a81904053d41017a26c6662ad6755671804f5144e7898f
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SSDEEP
384:Jz/CRYAcAOJaO+QhluA4bPX3E72lU7DoyP3xoGar8:lWPcAOJZ+QhluA4bPUQU7D7aGar8
Malware Config
Signatures
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Chaos Ransomware 1 IoCs
resource yara_rule static1/unpack001/yea.exe family_chaos -
Chaos family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/yea.exe
Files
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fbc39e38d112f99731151a8e2dc19765cdc18150109064c0df6f6a61bbbdf4e5.zip.zip
Password: infected
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yea.exe.exe windows:4 windows x86 arch:x86
Password: infected
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: 25KB - Virtual size: 24KB
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