Behavioral task
behavioral1
Sample
258bcbc0ba4c8fexeexe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
258bcbc0ba4c8fexeexe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
258bcbc0ba4c8fexeexe_JC.exe
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Size
27KB
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MD5
258bcbc0ba4c8fa361ca4175a822ceb4
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SHA1
92a66ade847bb166d84de30fccb4f9c05ca38c89
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SHA256
518a63504018ecd56929ecab888d48de448e68a604fd4210a2561abe7675f0dc
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SHA512
34f7dfe232a51c729a07da26e3065c4ef8dd762002e24ee0c00cb1158b8730248bbe04cf55506698ad4ec2ace780b96a15e2337d488a666add8e6cf4429579ff
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SSDEEP
384:stWZPzzxAm1vp5ZRoDsM7dIaPVfuMWBiO7lKOy5o91zpZ82vd:R7zxAmpfysKfuMDZho95H82l
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 258bcbc0ba4c8fexeexe_JC.exe
Files
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258bcbc0ba4c8fexeexe_JC.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: 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