Static task
static1
Behavioral task
behavioral1
Sample
7za.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
7za.exe
Resource
win10v2004-20231215-en
General
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Target
7za.exe
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Size
772KB
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MD5
b93eb0a48c91a53bda6a1a074a4b431e
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SHA1
ac693a14c697b1a8ee80318e260e817b8ee2aa86
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SHA256
ab15a9b27ee2d69a8bc8c8d1f5f40f28cd568f5cbb28d36ed938110203f8d142
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SHA512
732cb0dcb2b1dac1a7462554c256cec27de243734f79b7f87026e9f5fbae6d5d8a5f14a702d2af0b65897b6abad70a9eff1905dc851ce267d221ddcdd9e640c5
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SSDEEP
24576:DFhjj7f4K+ao308d0ORMz27R0iIdclDJiD:JlwpP90OFWxD
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 7za.exe
Files
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7za.exe.exe windows:4 windows x86 arch:x86
b06a5d19aad48d0a521642c823535f92
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
oleaut32
VariantCopy
SysAllocStringLen
SysAllocString
SysFreeString
SysStringLen
VariantClear
user32
CharPrevExA
CharUpperW
advapi32
OpenProcessToken
GetFileSecurityW
SetFileSecurityW
RegQueryValueExW
RegCloseKey
RegOpenKeyExW
AdjustTokenPrivileges
LookupPrivilegeValueW
msvcrt
_controlfp
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
__p___initenv
_XcptFilter
_exit
_onexit
__dllonexit
??1type_info@@UAE@XZ
?terminate@@YAXXZ
_except_handler3
_beginthreadex
exit
_ftol
realloc
memset
strlen
wcscmp
wcsstr
strcmp
memmove
fputs
fputc
fflush
fgetc
fclose
_iob
free
_CxxThrowException
malloc
memcmp
_purecall
memcpy
__CxxFrameHandler
_isatty
_fileno
kernel32
CreateEventW
SetEvent
ResetEvent
CreateSemaphoreW
ReleaseSemaphore
InitializeCriticalSection
ResumeThread
SetFileAttributesW
WaitForSingleObject
InterlockedIncrement
VirtualFree
VirtualAlloc
GetOEMCP
LocalFileTimeToFileTime
SetConsoleMode
GetConsoleMode
GetVersionExW
SetFileApisToOEM
GetCommandLineW
GetConsoleScreenBufferInfo
SetConsoleCtrlHandler
DeleteCriticalSection
QueryPerformanceFrequency
QueryPerformanceCounter
GetProcessTimes
OpenEventW
OpenFileMappingW
MapViewOfFile
UnmapViewOfFile
SetProcessAffinityMask
WaitForMultipleObjects
EnterCriticalSection
LeaveCriticalSection
GetStdHandle
GetSystemTimeAsFileTime
FileTimeToDosDateTime
DosDateTimeToFileTime
IsProcessorFeaturePresent
GlobalMemoryStatus
GetSystemInfo
GetProcessAffinityMask
FileTimeToLocalFileTime
FileTimeToSystemTime
CompareFileTime
GetCurrentProcess
GetDiskFreeSpaceW
SetEndOfFile
WriteFile
GetLastError
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
LoadLibraryW
GetModuleFileNameW
LocalFree
FormatMessageW
CloseHandle
SetFileTime
CreateFileW
ReadFile
RemoveDirectoryW
MoveFileW
GetProcAddress
GetModuleHandleW
CreateDirectoryW
DeleteFileW
SetLastError
SetCurrentDirectoryW
GetCurrentDirectoryW
GetTempPathW
GetCurrentProcessId
GetTickCount
GetCurrentThreadId
FindClose
FindFirstFileW
FindNextFileW
GetModuleHandleA
GetFileAttributesW
GetFileInformationByHandle
GetLogicalDriveStringsW
GetFileSize
SetFilePointer
DeviceIoControl
SetThreadAffinityMask
Sections
.text Size: 652KB - Virtual size: 651KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 86KB - Virtual size: 86KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.sxdata Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ