aria2c[.]exe | Triage

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General

Target

aria2c.exe
Size

5.7MB
MD5

6c5ea5a82d756bca4a9610c8d2260d2f
SHA1

30be358b2408692b2dcd5c56caf6ab38e67828e9
SHA256

b9cd71b275af11b63c33457b0f43f2f2675937070c563e195f223efd7fa4c74b
SHA512

685402fa95e9a8f2ac87ae364baaf7a445fc0124a9bc64c4b9007f2f55f91de9f3f85604378b825b0ed5ec233fa8e26f99be702d4089a803e129cd120f209964
SSDEEP

98304:fI6CKLHXrocDIjUuJcT4yKoHosMD9Vs79DxQVa0Y/6lM1rI/VlBEw9LcjA:f7CIH7ocGfyKouVsFxEM6lMI2mcjA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
aria2c.exe

Files

aria2c.exe
.exe windows:4 windows x86 arch:x86

048b243bd3f2726e61fe7b9bf2bdc1fb

Headers

DLL Characteristics

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_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

AdjustTokenPrivileges
CryptAcquireContextA
CryptGenRandom
CryptReleaseContext
GetTokenInformation
LookupPrivilegeValueA
OpenProcessToken
RegCloseKey
RegEnumKeyExA
RegOpenKeyExA
RegQueryValueExA
SystemFunction036

bcrypt

BCryptCloseAlgorithmProvider
BCryptCreateHash
BCryptDecrypt
BCryptDeriveKey
BCryptDestroyHash
BCryptDestroyKey
BCryptDestroySecret
BCryptEncrypt
BCryptExportKey
BCryptFinalizeKeyPair
BCryptFinishHash
BCryptGenRandom
BCryptGenerateKeyPair
BCryptGetProperty
BCryptHashData
BCryptImportKey
BCryptImportKeyPair
BCryptOpenAlgorithmProvider
BCryptSecretAgreement
BCryptSetProperty
BCryptSignHash
BCryptVerifySignature

crypt32

CertCloseStore
CertEnumCertificatesInStore
CertFreeCertificateContext
CryptDecodeObjectEx
PFXImportCertStore
PFXIsPFXBlob

iphlpapi

FreeMibTable
GetAdaptersAddresses
GetBestRoute2
GetUnicastIpAddressTable

kernel32

AreFileApisANSI
CloseHandle
CreateFileA
CreateFileMappingA
CreateFileMappingW
CreateFileW
CreateMutexW
CreateProcessW
CreateSemaphoreW
DeleteCriticalSection
DeleteFileA
DeleteFileW
DeviceIoControl
EnterCriticalSection
ExpandEnvironmentStringsA
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FormatMessageW
FreeLibrary
GetCommandLineW
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDiskFreeSpaceA
GetDiskFreeSpaceW
GetEnvironmentVariableW
GetFileAttributesA
GetFileAttributesExW
GetFileAttributesW
GetFileSize
GetFileSizeEx
GetFullPathNameA
GetFullPathNameW
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetStartupInfoA
GetStdHandle
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathA
GetTempPathW
GetTickCount
GetTimeZoneInformation
GetVersionExA
GetVersionExW
GetWindowsDirectoryA
HeapAlloc
HeapCompact
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
HeapValidate
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
LocalFree
LockFile
LockFileEx
MapViewOfFile
MoveFileExW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
QueryPerformanceCounter
ReadFile
ReleaseSemaphore
SetConsoleCtrlHandler
SetConsoleTextAttribute
SetEndOfFile
SetFilePointer
SetFilePointerEx
SetFileTime
SetFileValidData
SetLastError
SetUnhandledExceptionFilter
Sleep
SystemTimeToFileTime
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnlockFile
UnlockFileEx
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

msvcrt

__getmainargs
__initenv
__lconv_init
__mb_cur_max
__p___argv
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_assert
_beginthreadex
_cexit
_endthreadex
_errno
_commit
_filelengthi64
_fileno
_fstat64
_initterm
_iob
_lock
_lseeki64
_onexit
_setmode
_unlock
_wfopen
_wfsopen
_wgetcwd
_wgetenv
_wmkdir
_wopen
_wrmdir
_wsopen
_wunlink
abort
acos
asctime
asin
atan
atoi
calloc
cosh
exit
fclose
feof
ferror
fflush
fgetpos
fgets
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getenv
getwc
islower
isspace
isupper
iswctype
isxdigit
ldiv
localeconv
log10
malloc
memchr
memcmp
memcpy
memmove
memset
localtime
gmtime
difftime
perror
putc
putwc
qsort
raise
realloc
rewind
setlocale
setvbuf
signal
sinh
strchr
strcmp
strcoll
strcpy
strcspn
strerror
strftime
strlen
strncat
strncmp
strncpy
strrchr
strspn
strtol
strtoul
strxfrm
tan
tanh
tolower
towlower
towupper
ungetc
ungetwc
vfprintf
time
_stricmp
_strnicmp
wcscoll
wcsftime
wcslen
wcstombs
wcsxfrm
_wstati64
_tzname
_write
_tzset
_strdup
_read
_open
_isatty
_fileno
_fdopen
_dup
_close

secur32

AcceptSecurityContext
AcquireCredentialsHandleW
ApplyControlToken
DecryptMessage
DeleteSecurityContext
EncryptMessage
FreeContextBuffer
FreeCredentialsHandle
InitializeSecurityContextA
QueryContextAttributesA

shell32

CommandLineToArgvW

ws2_32

WSASend
freeaddrinfo
getaddrinfo
gethostname
getnameinfo
getservbyname
getservbyport

wsock32

WSACleanup
WSAGetLastError
WSAStartup
__WSAFDIsSet
accept
bind
closesocket
connect
getpeername
getsockname
getsockopt
htonl
htons
ioctlsocket
listen
ntohl
ntohs
recv
recvfrom
select
send
sendto
setsockopt
shutdown
socket

Sections

.text
Size: 4.3MB - Virtual size: 4.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 435KB - Virtual size: 434KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 842KB - Virtual size: 841KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 11KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 121KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

048b243bd3f2726e61fe7b9bf2bdc1fb

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

bcrypt

crypt32

iphlpapi

kernel32

msvcrt

secur32

shell32

ws2_32

wsock32

Sections

.text Size: 4.3MB - Virtual size: 4.3MB

.data Size: 19KB - Virtual size: 18KB

.rdata Size: 435KB - Virtual size: 434KB

/4 Size: 842KB - Virtual size: 841KB

.bss Size: - Virtual size: 11KB

.idata Size: 9KB - Virtual size: 8KB

.CRT Size: 512B - Virtual size: 52B

.tls Size: 512B - Virtual size: 8B

.reloc Size: 121KB - Virtual size: 121KB

.text
Size: 4.3MB - Virtual size: 4.3MB

.data
Size: 19KB - Virtual size: 18KB

.rdata
Size: 435KB - Virtual size: 434KB

/4
Size: 842KB - Virtual size: 841KB

.bss
Size: - Virtual size: 11KB

.idata
Size: 9KB - Virtual size: 8KB

.CRT
Size: 512B - Virtual size: 52B

.tls
Size: 512B - Virtual size: 8B

.reloc
Size: 121KB - Virtual size: 121KB