Behavioral task
behavioral1
Sample
www.exe
Resource
win10v2004-20230621-en
General
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Target
sophos-upload-347010691.zip
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Size
110KB
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MD5
2d9a64273aab077d93937e87080a2674
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SHA1
ecc5ede84580d8d97a9f4ec3ac1408a86ea9b1b4
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SHA256
69f6ac1f70959410258ee1513a7689391e8e9863323b58e08f8e6a4ae47b75c6
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SHA512
3b5ad23c549326cbb8c9c5a7e8b8123a4079b96a3807c92161ec5c1e1e816b62f42bc33ae7327bbad681d189e2f7e90da4bb081a5238c9f4943f6d45e0549de2
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SSDEEP
3072:Yu9cgQ9vnKM76SbU5WZuoAf81ffNluci/NXekXIJp:5MvYgIPfSNzi/NXekXIJp
Malware Config
Signatures
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
resource yara_rule static1/unpack001/www.exe family_lockbit -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/www.exe
Files
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sophos-upload-347010691.zip.zip
Password: infected
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www.exe.exe windows x86
Password: infected
89b43582b27abefb2b74684ab12a2f8e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
CreateDIBitmap
TextOutW
SetTextColor
SetPixel
GetTextMetricsW
GetTextColor
GetTextCharset
BitBlt
user32
CreateDialogParamW
CreateMenu
DefWindowProcW
EndDialog
GetDlgItem
GetKeyNameTextW
LoadImageW
kernel32
GetModuleHandleW
SetLastError
LoadLibraryW
LoadLibraryExA
FormatMessageW
GetLastError
GetDateFormatW
GetAtomNameW
Sections
.text Size: 95KB - Virtual size: 95KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.itext Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 40KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ