nano[.]exe | Triage

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General

Target

nano.exe
Size

3.1MB
MD5

d9348b8d44e12d659b5d8160bbe65071
SHA1

8cffa49ed6f2ca44e3b140f9d561766226915d1d
SHA256

f7c3ba13c5089c4fca688d2ca46f7cb84e3b142babe8a5d72b7ff0fb90e0294e
SHA512

c1d8c79bfe458a77bbc25afd656e5fab1f90084f6b44deb2d2505134ec8bf76b7bb88ee4db982771d017475da1b11289acc8ee41bce71fe600f86802f8cddf2b
SSDEEP

49152:Ud1RkwE6K18gsnZP3zO7EeK1H3bDfQ1g3:qt4K1LDo1I

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
nano.exe

Files

nano.exe
.exe windows x64

a40550f83f65bdb65641a9c1fef40f3d

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileA
CreateIoCompletionPort
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitProcess
FreeEnvironmentStringsW
FreeLibrary
GetConsoleMode
GetEnvironmentStringsW
GetLastError
GetNativeSystemInfo
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetThreadContext
GetThreadLocale
HeapAlloc
HeapFree
InitializeCriticalSection
IsBadReadPtr
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
MultiByteToWideChar
PostQueuedCompletionStatus
ResumeThread
SetConsoleCtrlHandler
SetErrorMode
SetEvent
SetLastError
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
__C_specific_handler
lstrlenA

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthread
_cexit
_commode
_errno
_fmode
_initterm
_lock
_onexit
_unlock
_wcsnicmp
abort
bsearch
calloc
exit
fprintf
fputc
free
fwrite
localeconv
malloc
mbstowcs
memcpy
memset
qsort
realloc
signal
strcmp
strerror
strlen
strncmp
strtol
vfprintf
wcslen
wcstombs

Exports

Exports

_cgo_dummy_export

Sections

.text
Size: 546KB - Virtual size: 546KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 80KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 644KB - Virtual size: 644KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 364KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 78B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 568KB - Virtual size: 568KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 224KB - Virtual size: 224KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 1024B - Virtual size: 1017B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 603KB - Virtual size: 602KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 176KB - Virtual size: 176KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/106
Size: 512B - Virtual size: 45B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/125
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/141
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/157
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a40550f83f65bdb65641a9c1fef40f3d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 546KB - Virtual size: 546KB

.data Size: 80KB - Virtual size: 79KB

.rdata Size: 644KB - Virtual size: 644KB

.pdata Size: 2KB - Virtual size: 1KB

.xdata Size: 2KB - Virtual size: 1KB

.bss Size: - Virtual size: 364KB

.edata Size: 512B - Virtual size: 78B

.idata Size: 4KB - Virtual size: 3KB

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

.tls Size: 512B - Virtual size: 16B

.reloc Size: 11KB - Virtual size: 11KB

/4 Size: 2KB - Virtual size: 1KB

/19 Size: 568KB - Virtual size: 568KB

/31 Size: 16KB - Virtual size: 15KB

/45 Size: 224KB - Virtual size: 224KB

/57 Size: 68KB - Virtual size: 68KB

/70 Size: 1024B - Virtual size: 1017B

/81 Size: 603KB - Virtual size: 602KB

/92 Size: 176KB - Virtual size: 176KB

/106 Size: 512B - Virtual size: 45B

/125 Size: 7KB - Virtual size: 6KB

/141 Size: 31KB - Virtual size: 31KB

/157 Size: 1KB - Virtual size: 1KB

.text
Size: 546KB - Virtual size: 546KB

.data
Size: 80KB - Virtual size: 79KB

.rdata
Size: 644KB - Virtual size: 644KB

.pdata
Size: 2KB - Virtual size: 1KB

.xdata
Size: 2KB - Virtual size: 1KB

.bss
Size: - Virtual size: 364KB

.edata
Size: 512B - Virtual size: 78B

.idata
Size: 4KB - Virtual size: 3KB

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

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 11KB - Virtual size: 11KB

/4
Size: 2KB - Virtual size: 1KB

/19
Size: 568KB - Virtual size: 568KB

/31
Size: 16KB - Virtual size: 15KB

/45
Size: 224KB - Virtual size: 224KB

/57
Size: 68KB - Virtual size: 68KB

/70
Size: 1024B - Virtual size: 1017B

/81
Size: 603KB - Virtual size: 602KB

/92
Size: 176KB - Virtual size: 176KB

/106
Size: 512B - Virtual size: 45B

/125
Size: 7KB - Virtual size: 6KB

/141
Size: 31KB - Virtual size: 31KB

/157
Size: 1KB - Virtual size: 1KB