Static task
static1
Behavioral task
behavioral1
Sample
sigmal4457.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
sigmal4457.exe
Resource
win10v2004-20240802-en
General
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Target
sigmal4457.exe.vir
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Size
106.4MB
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MD5
c6524da4a14eaa708721ff4d682cbba7
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SHA1
2ac7f94477e8505b6b753127bf12db13ca94abef
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SHA256
bf59ab4c490dc45d82ae2e6f7558447b2c4cf72e69dcf89f5084f1ae6a37926a
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SHA512
eb2e12ef20ac70cde2d7464a1f8545b8cb0052042b54f76624f8b70823ac67eafd7a63f8072ebd1122c72af4ccbcd8704e0fc93c5314d7014ccf3c424b28a7ec
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SSDEEP
1572864:EaEQfD4FeUf1LyZPyCPFKq7qhconsMHHiUyRLelUyRLelUyRLelUyRLelUyRLelc:Ci4kUf9yZqWQcosJ
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource sigmal4457.exe.vir
Files
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sigmal4457.exe.vir.exe windows:5 windows x64 arch:x64
838dd9fbdbb409224ad0e13122a109ae
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
LoadLibraryA
lstrcpyA
lstrcatA
lstrlenA
GetSystemDirectoryA
GetProcAddress
GetModuleHandleA
_lclose
GetModuleFileNameA
_lread
_llseek
_lopen
_lwrite
_lcreat
CreateDirectoryA
SetCurrentDirectoryA
GetDiskFreeSpaceA
GetFileAttributesA
CompareStringA
DeleteFileA
GetTempPathA
GetCurrentDirectoryA
CloseHandle
GetExitCodeProcess
GetLastError
LocalFree
GetCurrentProcess
MoveFileExA
GetStringTypeW
MultiByteToWideChar
LCMapStringW
HeapReAlloc
HeapSize
IsValidCodePage
Sleep
RemoveDirectoryA
FreeLibrary
GetOEMCP
GetACP
GetModuleHandleW
ExitProcess
DecodePointer
HeapFree
HeapAlloc
GetCommandLineA
GetStartupInfoW
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
EncodePointer
LoadLibraryW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
TerminateProcess
FlsGetValue
FlsSetValue
FlsFree
SetLastError
GetCurrentThreadId
FlsAlloc
RtlUnwindEx
WriteFile
GetStdHandle
GetModuleFileNameW
HeapSetInformation
GetVersion
HeapCreate
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
user32
TranslateMessage
DispatchMessageA
PeekMessageA
wsprintfA
LoadCursorA
SetCursor
MessageBoxA
MsgWaitForMultipleObjects
advapi32
GetTokenInformation
OpenProcessToken
shell32
ShellExecuteExA
Sections
.text Size: 25KB - Virtual size: 25KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 990B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ