Behavioral task
behavioral1
Sample
WinRAR.exe
Resource
win7-20240705-en
General
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Target
WinRAR.7z
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Size
100KB
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MD5
be127ef325cfb4fc0bdebc4a5ff449c2
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SHA1
57d83936a5bdf97f667bdfae800aa5e0dfd8961f
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SHA256
fa4a448efd262bc6b21ced8340789c3ad24de0f4956d371d346780cf91675996
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SHA512
fe770663d10bbdce73dc17f806cc5f41e176201ef29cedc2434777071e09d3ca3cae58c76eb3ed582e369f4e5d4ce2807e4424f1b5eac99076c03e0a6e9a3b0f
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SSDEEP
3072:aY9wNefuN0dRzX7gnxadGjNmR51n1S6YsOplVp:aY9wQm0rgAdGjQt1ShdpV
Malware Config
Signatures
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Chaos Ransomware 1 IoCs
resource yara_rule static1/unpack001/WinRAR.exe family_chaos -
Chaos family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/WinRAR.exe
Files
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WinRAR.7z.7z
Password: harounisthebest
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WinRAR.exe.exe windows:4 windows x86 arch:x86
Password: harounisthebest
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: 263KB - Virtual size: 262KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 6KB - Virtual size: 6KB
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