Static task
static1
Behavioral task
behavioral1
Sample
builder.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
builder.exe
Resource
win10v2004-20230220-en
General
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Target
builder.exe
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Size
38KB
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MD5
17389fb1da10f974a7ae8a44161a38eb
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SHA1
c781858e3f01d3e52dd818c2aa1d50e126902c3b
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SHA256
1a90ddca074875aebe47263c9bb48d936f6092483d7311d6bff0217b3278740d
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SHA512
ec59cf43651fe78807478afa83604c85b4fc95d2b4b4cc7110460dde7611d00268126c0f5b16e930e64a9e1aa84faa32721cdef7a9d75c8fe7aeed72e10db8f6
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SSDEEP
768:p3kGf0PSpkuBSj1jyVUeSbmOFsAjGZBWXiCEtd9UItl49g+2s/8GfblL:1jEUXV8S8jyWXREtkIzsf
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource builder.exe
Files
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builder.exe.exe windows x86
94a4fd8369ee0aac0c5503ec42854baa
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WaitForSingleObject
CreateProcessA
VirtualFree
CloseHandle
WriteFile
CreateFileA
VirtualAlloc
Sleep
TerminateProcess
GetCurrentProcess
CreateThread
GetTickCount
LCMapStringW
LCMapStringA
VirtualQuery
GetSystemInfo
VirtualProtect
GetLocaleInfoA
HeapReAlloc
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersionExA
ExitProcess
GetProcAddress
GetStdHandle
GetModuleFileNameA
UnhandledExceptionFilter
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetLastError
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapDestroy
HeapCreate
HeapFree
GetStringTypeA
MultiByteToWideChar
GetStringTypeW
LoadLibraryA
GetACP
GetOEMCP
GetCPInfo
HeapAlloc
RtlUnwind
user32
DialogBoxParamA
GetSystemMetrics
SetWindowPos
MessageBoxA
SetDlgItemTextA
GetDlgItemTextA
wsprintfA
Sections
.text Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 19KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 928B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ