Behavioral task
behavioral1
Sample
Update64.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Update64.exe
Resource
win10v2004-20230831-en
General
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Target
Update64.exe
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Size
20KB
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MD5
b2ca351f222515cd4f4e60909f313ab9
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SHA1
a9bb6cb4c7642ce8212cc1bf058b44288c52fe1f
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SHA256
0af587b4584f2889483b3ac523c6c0e27a909454fb885a62edaf8479cfc1452e
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SHA512
2bc71ab3a8bf851830ebe78ada5f82efa17e1dbd5899c823d7152ec90963d62276181c97f9ea9eed0297cfb34317b8ba7251d450fdd492d84496bb7e7b944d9a
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SSDEEP
192:HiZq1JajRFTN1LaL7kWto95Mbdf8cSqXa63eTnxvs91ihmhtFSZHOvQoKAOff8b4:H40JORJN1q8edfsqjOVs913tgZ0bYWx
Malware Config
Signatures
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Chaos Ransomware 1 IoCs
resource yara_rule sample family_chaos -
Chaos family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Update64.exe
Files
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Update64.exe.exe windows 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: 18KB - Virtual size: 17KB
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