drop1[.]exe | Triage

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General

Target

drop1.exe
Size

1.2MB
MD5

c401a019b5a9e44646577f8922e1014e
SHA1

3406d945b0283bb6337a7490198b00cd1df278a2
SHA256

31ebf7219722b8c908a914b2b08c5d03140af8b0cef6c96152e458dc82301c0a
SHA512

f1306e3e015f005af3675f53ff17015b4cdc4484d13690a04842fa8ab9e7037c68e2e53c90176d7fff36c8a2faf50864d09fb89609466d5d89d7f11783f9250f
SSDEEP

24576:Bdl/7xIgevnHodySw5KP4lXkV8sWGzv6VD0iNKlsTEc8hF71X:/l/a5vnIdyd5Q4lXkBmLNfkP7F

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
drop1.exe

Files

drop1.exe
.exe windows:6 windows x86 arch:x86

2716f32d1d63b3fc977d6064633b778d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateFileW
CreateThread
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeThread
GetFileSize
GetFileType
GetLastError
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadFile
ReleaseSRWLockExclusive
RtlUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 67KB - Virtual size: 67KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.OO
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 232B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.bss
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

2716f32d1d63b3fc977d6064633b778d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 67KB - Virtual size: 67KB

.rdata Size: 29KB - Virtual size: 28KB

.data Size: 4KB - Virtual size: 7KB

.OO Size: 512B - Virtual size: 4B

.rsrc Size: 512B - Virtual size: 232B

.reloc Size: 5KB - Virtual size: 4KB

.bss Size: 1.1MB - Virtual size: 1.1MB

.text
Size: 67KB - Virtual size: 67KB

.rdata
Size: 29KB - Virtual size: 28KB

.data
Size: 4KB - Virtual size: 7KB

.OO
Size: 512B - Virtual size: 4B

.rsrc
Size: 512B - Virtual size: 232B

.reloc
Size: 5KB - Virtual size: 4KB

.bss
Size: 1.1MB - Virtual size: 1.1MB