Behavioral task
behavioral1
Sample
exec.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
exec.exe
Resource
win10v2004-20240226-en
General
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Target
exec.exe
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Size
223KB
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MD5
a32b23db12286223af4786eccf8f66d7
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SHA1
fe19f59183dcf801749457140b4b3aeeb3e82598
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SHA256
5f161fe20eafa6de2ad791276d14bd1c28013a1dd7b83b8b20016ea3065eacbf
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SHA512
0395949d424e0898d25efa5713952c2e2df155f743c5d158003268256c4c541bd83c10bf2653e4fa31ed52bb1a044e4e19e9464f7d972313a5a8e2f1b4856aa0
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SSDEEP
6144:m4Er9iAYFCtntIVprUPvEefILCrSK3FK+x:m4GYFCtntIVqPvCLCrSK1K+x
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 exec.exe
Files
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exec.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: 220KB - Virtual size: 220KB
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