a[.]exe[.]dnr | Triage

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General

Target

a.exe.dnr
Size

900KB
MD5

c04e1a07cb3c2044bd734c28922e3f5d
SHA1

ce9c15ddae5b581f2d24282d37877061d919bf62
SHA256

d6cc1fcfef9ab922bbdc1c612db9882badb9552108201030911ff273155ed450
SHA512

80ebccc401b6f3836181f73965dc8835ad6eb1d4d228b5b9f4dbf159083458a22b1d9e5a3b8a3aabb72331c632342466a8ac17daffe6fb8218e12815ca37b52a
SSDEEP

6144:rO/onYYLKbdA/cOvaBzWNKo3fK3CGFJ2tM0bNsFl1o+kfKChXty4ak1Xh3+/aTpp:a2NK0KovO0tCl17kfS/Tl/lmqY7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a.exe.dnr

Files

a.exe.dnr
.exe windows:4 windows x64 arch:x64

47444567dcb77d3e374bd8992f0827b3

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

CloseHandle
CreateProcessA
CreateSemaphoreW
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteProcThreadAttributeList
EnterCriticalSection
GetCurrentThreadId
GetLastError
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetStartupInfoA
GetSystemInfo
GetTickCount64
GlobalMemoryStatusEx
HeapAlloc
InitializeCriticalSection
InitializeProcThreadAttributeList
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryW
MultiByteToWideChar
Process32First
Process32Next
RaiseException
ReleaseSemaphore
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UpdateProcThreadAttribute
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_errno
_filelengthi64
_fileno
_fmode
_fstat64
_initterm
_lock
_lseeki64
_onexit
_unlock
_wfopen
abort
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getwc
iswctype
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
putc
putwc
realloc
setlocale
setvbuf
signal
strcmp
strcoll
strerror
strftime
strlen
strncmp
strxfrm
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm
_write
_stricmp
_read
_fileno
_fdopen
_close

Sections

.text
Size: 699KB - Virtual size: 698KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

47444567dcb77d3e374bd8992f0827b3

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 699KB - Virtual size: 698KB

.data Size: 21KB - Virtual size: 21KB

.rdata Size: 64KB - Virtual size: 64KB

.pdata Size: 43KB - Virtual size: 42KB

.xdata Size: 60KB - Virtual size: 59KB

.bss Size: - Virtual size: 3KB

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

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

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

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 699KB - Virtual size: 698KB

.data
Size: 21KB - Virtual size: 21KB

.rdata
Size: 64KB - Virtual size: 64KB

.pdata
Size: 43KB - Virtual size: 42KB

.xdata
Size: 60KB - Virtual size: 59KB

.bss
Size: - Virtual size: 3KB

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

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

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

.reloc
Size: 6KB - Virtual size: 5KB