Static task
static1
Behavioral task
behavioral1
Sample
Fast.ex_.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Fast.ex_.exe
Resource
win10v2004-20230915-en
General
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Target
Fast.ex_.exe
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Size
56KB
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MD5
85f25d227ff80bfe9fb07eedcf831c50
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SHA1
99740958fa077db80051ff8243a58b38b9287ee7
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SHA256
8575dcf7c67612b4d1fc1315bb19318f06bb5abdc6341890e251eb303e386db7
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SHA512
db453f931f767cd377b2afe0782410ec5766ac8d96d33a64efc9a2723835b7062edca9b8a07c5632bafd00f605c9ac955bbaa2aead706e398a46010de9caad5c
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SSDEEP
1536:RNeRBl5PT/rx1mzwRMSTdLpJauhIvnbVz9K:RQRrmzwR5J/hWnhJ
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Fast.ex_.exe
Files
-
Fast.ex_.exe.exe windows:5 windows x86
851a0ba8fbb71710075bdfe6dcef92eb
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
mpr
WNetEnumResourceW
WNetUseConnectionW
WNetOpenEnumW
WNetCloseEnum
ws2_32
ioctlsocket
getpeername
ntohl
select
WSAGetLastError
htons
recv
socket
closesocket
getsockopt
WSAAddressToStringW
htonl
connect
iphlpapi
GetIpAddrTable
winhttp
WinHttpReceiveResponse
WinHttpOpenRequest
WinHttpConnect
WinHttpCloseHandle
WinHttpOpen
WinHttpSendRequest
kernel32
FindClose
FindNextFileW
SystemTimeToFileTime
OpenProcess
FindFirstFileW
MoveFileW
GetFileSizeEx
SetFilePointerEx
SetEndOfFile
GetCurrentThreadId
GetLocalTime
ExitProcess
SetFilePointer
WaitForSingleObject
GetComputerNameW
SetEvent
GetLogicalDrives
GetTickCount
Sleep
CopyFileW
GetFileAttributesW
ReadFile
CreateFileW
MultiByteToWideChar
CreateEventW
WaitForMultipleObjects
CloseHandle
SetFileAttributesW
CreateThread
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
ResetEvent
DeleteCriticalSection
AllocConsole
WriteFile
WideCharToMultiByte
WriteConsoleW
GetStdHandle
CreateMutexW
CreateProcessW
GetCurrentProcess
SetHandleInformation
HeapFree
GetLocaleInfoW
ReadProcessMemory
TerminateProcess
GetModuleFileNameW
FlushFileBuffers
OpenMutexW
GetLastError
GetProcAddress
Process32FirstW
GetExitCodeThread
CreatePipe
Process32NextW
GetModuleHandleA
CreateToolhelp32Snapshot
ReleaseMutex
GetVersion
DeleteFileW
GetCurrentProcessId
GetVolumeInformationW
ExpandEnvironmentStringsW
HeapAlloc
GetProcessHeap
HeapReAlloc
QueryPerformanceCounter
user32
GetWindowThreadProcessId
GetShellWindow
advapi32
FreeSid
LookupPrivilegeValueW
OpenProcessToken
GetTokenInformation
EqualSid
RegSetValueExW
RegCloseKey
AdjustTokenPrivileges
RegOpenKeyExW
LookupAccountSidW
AllocateAndInitializeSid
DuplicateTokenEx
RegQueryValueExW
shell32
ShellExecuteExW
ole32
CoGetObject
CoInitializeEx
CoUninitialize
Sections
.text Size: 33KB - Virtual size: 33KB
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: 1KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.cdata Size: 14KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE