Behavioral task
behavioral1
Sample
FreeVbucks.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
FreeVbucks.exe
Resource
win10v2004-20250314-en
General
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Target
FreeVbucks.exe
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Size
2.7MB
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MD5
afba56cb6fee3660b751b98418c1fdf1
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SHA1
24364e0e691df3b6e7ebd0e142993fcd6b063984
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SHA256
df86bc46fdd921147c26c94a4cc054efa01bf2fa837756ffc0139171c8a388d8
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SHA512
dd138767c127af7e92a696ceccc3b304c99a52392c66d6e8af41f68be8165af55c99ccc62546afbec2da212f207e9b0a66968e73eaab4d3f2821172ff1d3a99b
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SSDEEP
24576:QC7suY2Mlva2bpmGB3rgkTsZGvSKgkatV9hLG37WDd/OKAVlAL4lGhtl:lbM0NkA8leL
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 FreeVbucks.exe
Files
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FreeVbucks.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: 2.7MB - Virtual size: 2.7MB
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