fiber[.]zip | Triage

Resubmissions

21/05/2024, 07:15

240521-h3jnesce56 3

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General

Target

fiber.zip
Size

20KB
MD5

9863e6f4116ea6006fa386261d31937f
SHA1

f56f64a8721fc84b02caad3b1387ab46d1996f41
SHA256

ac966225d8bebcb48f589f879bcd66d4793fd6068b37a2ea4508790339d821c5
SHA512

34134da84ccc2c8aa21a9ad2b4a38e8332589199733c53f160b6fa0d9fc5dcd665d1db18f09948321ec7983851e6d7afcfdb74ae1d81a2cb47586e34a207ff7b
SSDEEP

384:pNYjj45pgFQWWscHfcoUfwv4pHFoPM+jHOPwKhEABw5h6As/ghKY9p7R:p6okF2sc/5UyzrjeCj6D/ghKYpl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/fiber/PoisonFiber.exe

Files

fiber.zip
.zip
fiber/PoisonFiber.exe
.exe windows:6 windows x64 arch:x64

75a7fcf8b49912cda829cf5c50e25e49

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

PDB Paths

C:\Users\maksf\OneDrive\Desktop\ImmoralFiber-master\x64\Release\PoisonFiber.pdb

Imports

kernel32

SizeofResource
WriteProcessMemory
VirtualAlloc
Thread32Next
Thread32First
GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
GetLastError
CloseHandle
GetSystemInfo
LoadResource
FindResourceW
VirtualProtectEx
GetProcAddress
VirtualAllocEx
ReadProcessMemory
GetCurrentProcessId
FlsAlloc
IsWow64Process
OpenThread
VirtualQueryEx
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
RtlCaptureContext
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW

msvcp140

?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__C_specific_handler
__current_exception
__std_exception_copy
__std_exception_destroy
_CxxThrowException
memmove
__current_exception_context
memset
memcpy

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

free
calloc
_callnewh
malloc
_set_new_mode

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

__stdio_common_vfprintf
__p__commode
_set_fmode
__acrt_iob_func

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

strtoul

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

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

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

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: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
fiber/test.bat

Resubmissions

Sharing

General

Malware Config

Signatures

Files

75a7fcf8b49912cda829cf5c50e25e49

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

msvcp140

vcruntime140_1

vcruntime140

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

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

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

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

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

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

Sections

.text Size: 23KB - Virtual size: 23KB

.rdata Size: 14KB - Virtual size: 13KB

.data Size: 512B - Virtual size: 2KB

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

.rsrc Size: 3KB - Virtual size: 3KB

.reloc Size: 512B - Virtual size: 96B

.text
Size: 23KB - Virtual size: 23KB

.rdata
Size: 14KB - Virtual size: 13KB

.data
Size: 512B - Virtual size: 2KB

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

.rsrc
Size: 3KB - Virtual size: 3KB

.reloc
Size: 512B - Virtual size: 96B