Behavioral task
behavioral1
Sample
fichier_modifie.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
fichier_modifie.exe
Resource
win10v2004-20231222-en
General
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Target
fichier_modifie.exe
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Size
26KB
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MD5
8f10fa99d02f108364bdbe4a349d8422
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SHA1
3445bad04ff8d4d077e8c78244ac7117b57a1ef8
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SHA256
33947214ab581cd164baccebb2502ae2cd993ddb5e3bf97e5716b8283d9de674
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SHA512
1a84ac5c8c2321a7bd7975dc989cf8f4089fd5e306b7384bbdf06e0b97d34f0c6388e6d7e82bfebabc2ae9e4535a591c74c9d8f9c05638429780c7ac9baf1c96
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SSDEEP
384:DYenjLLAps4T5lBavzb/xlhKOVp91QOb5hxDGH:qOElB6sc9GObXxD8
Malware Config
Signatures
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Chaos Ransomware 1 IoCs
resource yara_rule sample family_chaos -
Chaos family
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Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fichier_modifie.exe
Files
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fichier_modifie.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: 23KB - Virtual size: 23KB
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