payload[.]zip | Triage

Sharing

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General

Target

payload.zip
Size

2.1MB
MD5

4e1620f245e908bc4ca3cf41dc43db11
SHA1

1d205726f4d4dac3fa4ef1ed0c5575af8d3b74cf
SHA256

b5950e2154e6be0826795126ac8a59874d7d9abd7dba5857a6a05936100af22c
SHA512

be4dcfb8908f250a658de9ee2c2034c556dbbfa5102f64baa0ad70d37435b5102ee59698822edc347eeb98488662a55a7a5226247c53f66c961bab3c88283f42
SSDEEP

3072:N5muw3iulcW3yuk8lkT0G4kX8H9UbOCA8fBYyQ4AowmUC91d:N03iulcW3Fk2W0o8dUbC4S4B7d

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/markov.exe

Files

payload.zip
.zip
markov.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