Behavioral task
behavioral1
Sample
MesSecV2.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
MesSecV2.exe
Resource
win10v2004-20231222-en
General
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Target
MesSecV2.exe
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Size
864KB
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MD5
17e9c8aeacc31e4d6d29c7bf7feda6e4
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SHA1
ac127215d5eec411dfae3980f5115ffe632bf5de
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SHA256
93c25308f449d71aa61cf58a309565ad077d9be682d93155e3d68ba64d493807
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SHA512
0c121be5df14f92fc1b69c5414261dc88f8e3b9629a4eba9e31f1d9e69cdf03a444deab307d7ae585c94a9baf51ca6ca26960adc84ecbb7982697316da993bdf
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SSDEEP
12288:WGbEurtqZhMIlF6QW/yOb8NL6wbIeG3ertFcHIcdIRnocYIngppfx0XghY+QA2YS:Wi09kITngaQAjVT3nR4W
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 MesSecV2.exe
Files
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MesSecV2.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: 795KB - Virtual size: 795KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 67KB - Virtual size: 67KB
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