Behavioral task
behavioral1
Sample
meirafull.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
meirafull.exe
Resource
win10v2004-20240226-en
General
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Target
meirafull.exe
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Size
156KB
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MD5
e0a659a4cd95a6cfc60f4d4e3dfad121
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SHA1
cfa69507a15561ab4ad48c10f4c8de92e5b8fd1c
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SHA256
46f2ff4aafe5d16db0c9728dc9f15bf2e28b6d5550dd3631d602627563d3d173
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SHA512
452bd8bd03c249e254701560b45baec9636bf03092d9e5c7bb9336b21fd88c2e4842804b7fe072e1611dd2f421712a9bec57355968740e136a4ef5cb8ed66bf0
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SSDEEP
3072:ADDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368GS2IzR8CsJZX/mW:q5d/zugZqll3Zm
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 sample family_lockbit -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource meirafull.exe
Files
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meirafull.exe.exe windows:5 windows x86 arch:x86
3bc510de773c954bd69d33670cb624d6
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
SetPixel
GetPixel
GetTextColor
SelectPalette
SelectObject
GetTextMetricsW
TextOutW
GetTextCharset
CreateSolidBrush
CreateFontW
SetTextColor
CreateDIBitmap
user32
LoadImageW
GetClassNameW
DialogBoxParamW
CreateDialogParamW
kernel32
GetCommandLineA
GetAtomNameW
LoadLibraryW
GetFileAttributesW
Sections
.text Size: 102KB - Virtual size: 102KB
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: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ