Static task
static1
Behavioral task
behavioral1
Sample
aaa.zip
Resource
win10-20230220-en
General
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Target
aaa.zip
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Size
268KB
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MD5
d7e59bbefb2a65cd72ba3aceb9f40036
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SHA1
66aa8f79f2f0c25a159798e95da9d1259a925339
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SHA256
f521bdd232704dc0fcd3c7f32e6bb4655be51df5b89fc139e87f62d2b2ebd901
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SHA512
27096ed1f5fb49376aa8f3adad50fbadeba4bc28e02f7d7dd07212fc134b9b0ef60b03f56c7aacaf2412d72ba36f5b6b49cb3958761fca03f9739b8614fea855
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SSDEEP
6144:6fUXpcHftQNDgAVekQTPPJDeqawRK3aEGEK1+M/Cp:6cEAADRavyp1+M/I
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/blobrunner.exe
Files
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aaa.zip.zip
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blobrunner.exe.exe windows x86
3c9aea6ac447f58311fa4014e3f364ad
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
kernel32
VirtualAlloc
VirtualProtect
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
WriteConsoleW
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RaiseException
ReadFile
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetFileType
CloseHandle
GetConsoleMode
ReadConsoleW
SetFilePointerEx
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
GetProcessHeap
FlushFileBuffers
GetConsoleCP
CreateFileW
GetFileSizeEx
HeapSize
HeapReAlloc
SetEndOfFile
DecodePointer
Sections
.text Size: 83KB - Virtual size: 82KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 25KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
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
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decrypted