payload[.]zip | Triage

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General

Target

payload.zip
Size

2.1MB
MD5

f311a23e935b239794d59f02daced842
SHA1

87b3b41088f367a79380116175fa54fa6c3cccc1
SHA256

ceccc7327c2ca4bed5ef627e413ed28fae26b04bc16a8e2fcf18a22539c8af15
SHA512

fce4823237ebcc0ebe9fa8f8cabbe51a8e61192126e75824b6c681c51ef11b35470f8bf0c208ac2d98c6ecc5d36c4ad5fd4eb7c3a1d8af4e468accf23a283571
SSDEEP

3072:r5muw3iulcW3yuk8lkT0G4kX8HfO7Ng0nOpSlYhKj:r03iulcW3Fk2W0o8HGapSlYhKj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/load.exe

Files

payload.zip
.zip
load.exe
.exe windows:6 windows x64

36fe9e533e2addc9b2537fc41997c132

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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

GetCurrentProcessId
WaitForSingleObject
TryAcquireSRWLockExclusive
QueryPerformanceCounter
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
AcquireSRWLockShared
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetModuleHandleA
GetCommandLineW
GetStdHandle
GetFileInformationByHandleEx
RtlVirtualUnwind
InitializeSListHead
GetConsoleMode
GetEnvironmentVariableW
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
ExitProcess
GetFullPathNameW
GetFileInformationByHandle
GetCurrentDirectoryW
MultiByteToWideChar
WriteConsoleW
TlsGetValue
TlsSetValue
GetSystemTimeAsFileTime
SetLastError
RtlLookupFunctionEntry
GetProcAddress
RtlCaptureContext
GetCurrentThread
GetCurrentThreadId
GetCurrentProcess
AcquireSRWLockExclusive
SetThreadStackGuarantee
AddVectoredExceptionHandler
GetLastError
ReleaseSRWLockShared
ReleaseMutex
IsDebuggerPresent
UnhandledExceptionFilter
CloseHandle
ReleaseSRWLockExclusive
SetUnhandledExceptionFilter
VirtualFree
CreateFileW
VirtualAlloc
IsProcessorFeaturePresent

ntdll

RtlNtStatusToDosError
NtWriteFile
NtReadFile

vcruntime140

__CxxFrameHandler3
memcmp
memset
memmove
_CxxThrowException
__current_exception_context
__current_exception
memcpy
__C_specific_handler

api-ms-win-crt-runtime-l1-1-0

__p___argc
__p___argv
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_seh_filter_exe
_initterm
_exit
exit
_initialize_onexit_table
_initialize_narrow_environment
_register_onexit_function
_crt_atexit
terminate
_configure_narrow_argv
_set_app_type
_initterm_e
_get_initial_narrow_environment

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-stdio-l1-1-0

_set_fmode
__p__commode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-heap-l1-1-0

free
_set_new_mode

Sections

.text
Size: 141KB - Virtual size: 141KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 808B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

36fe9e533e2addc9b2537fc41997c132

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ntdll

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

Sections

.text Size: 141KB - Virtual size: 141KB

.rdata Size: 42KB - Virtual size: 42KB

.data Size: 512B - Virtual size: 808B

.pdata Size: 6KB - Virtual size: 6KB

.reloc Size: 1KB - Virtual size: 1KB

.text
Size: 141KB - Virtual size: 141KB

.rdata
Size: 42KB - Virtual size: 42KB

.data
Size: 512B - Virtual size: 808B

.pdata
Size: 6KB - Virtual size: 6KB

.reloc
Size: 1KB - Virtual size: 1KB