shurk | Aurora[.]exe

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General

Target

Aurora.exe
Size

25.2MB
MD5

1504c863a05885816d2c8874137ae7a7
SHA1

5b16d440a7e9b5887886549f016f252900b5c0ac
SHA256

33fc61e81efa609df51277aef261623bb291e2dd5359362d50070f7a441df0ad
SHA512

055d2650ac996443130c05a742bcaabc576dbde29cc21ea956f66132f7e6da8a5771beb9cd51ff2384b2230ebe68990b35d8b14611613db2b8d2764846a487f9
SSDEEP

196608:olxc7zJltMVP1nQf6CmuZdgh7vq5esz6xSle:WqzFANQf6CmuEh7vqvz6xSs

Score

10^/10

shurk aurora

Malware Config

Signatures

Aurora family
aurora

Shurk Stealer payload 1 IoCs

resource	yara_rule
sample	shurk_stealer

Shurk family
shurk

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Aurora.exe

Files

Aurora.exe
.exe windows:6 windows x64 arch:x64

55999fde4462ab09aa0721c1ceb6d68b

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
AreFileApisANSI
CloseHandle
CreateEventA
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateThread
CreateWaitableTimerA
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFileA
DeleteFileW
DuplicateHandle
EnterCriticalSection
ExitProcess
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetConsoleMode
GetCurrentProcessId
GetCurrentThreadId
GetDiskFreeSpaceA
GetDiskFreeSpaceW
GetEnvironmentStringsW
GetFileAttributesA
GetFileAttributesExW
GetFileAttributesW
GetFileSize
GetFullPathNameA
GetFullPathNameW
GetLastError
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathA
GetTempPathW
GetThreadContext
GetTickCount
HeapAlloc
HeapCompact
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
HeapValidate
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
LocalFree
LockFile
LockFileEx
MapViewOfFile
MultiByteToWideChar
OutputDebugStringA
OutputDebugStringW
PostQueuedCompletionStatus
QueryPerformanceCounter
ReadFile
ResumeThread
SetConsoleCtrlHandler
SetEndOfFile
SetErrorMode
SetEvent
SetFilePointer
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
SystemTimeToFileTime
TlsGetValue
TryEnterCriticalSection
UnlockFile
UnlockFileEx
UnmapViewOfFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
__C_specific_handler

msvcrt

__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthread
_beginthreadex
_cexit
_commode
_endthreadex
_errno
_fmode
_initterm
_localtime64
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
qsort
realloc
signal
strcmp
strcspn
strlen
strncmp
strrchr
vfprintf

Exports

Exports

_cgo_dummy_export
authorizerTrampoline
callbackTrampoline
commitHookTrampoline
compareTrampoline
doneTrampoline
preUpdateHookTrampoline
rollbackHookTrampoline
stepTrampoline
updateHookTrampoline

Sections

.text
Size: 5.0MB - Virtual size: 5.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 287KB - Virtual size: 287KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 4.2MB - Virtual size: 4.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 418KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 345B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

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: 81KB - Virtual size: 80KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 1024B - Virtual size: 928B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 4.4MB - Virtual size: 4.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 662KB - Virtual size: 661KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 4.8MB - Virtual size: 4.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/106
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/125
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/141
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/157
Size: 181KB - Virtual size: 180KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

55999fde4462ab09aa0721c1ceb6d68b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 5.0MB - Virtual size: 5.0MB

.data Size: 287KB - Virtual size: 287KB

.rdata Size: 4.2MB - Virtual size: 4.2MB

.pdata Size: 22KB - Virtual size: 21KB

.xdata Size: 25KB - Virtual size: 25KB

.bss Size: - Virtual size: 418KB

.edata Size: 512B - Virtual size: 345B

.idata Size: 5KB - Virtual size: 5KB

.CRT Size: 512B - Virtual size: 104B

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

.reloc Size: 81KB - Virtual size: 80KB

/4 Size: 1024B - Virtual size: 928B

/19 Size: 4.4MB - Virtual size: 4.4MB

/31 Size: 10KB - Virtual size: 9KB

/45 Size: 2.1MB - Virtual size: 2.1MB

/57 Size: 662KB - Virtual size: 661KB

/70 Size: 10KB - Virtual size: 10KB

/81 Size: 4.8MB - Virtual size: 4.8MB

/92 Size: 1.2MB - Virtual size: 1.2MB

/106 Size: 512B - Virtual size: 48B

/125 Size: 3KB - Virtual size: 3KB

/141 Size: 1.4MB - Virtual size: 1.4MB

/157 Size: 181KB - Virtual size: 180KB

.text
Size: 5.0MB - Virtual size: 5.0MB

.data
Size: 287KB - Virtual size: 287KB

.rdata
Size: 4.2MB - Virtual size: 4.2MB

.pdata
Size: 22KB - Virtual size: 21KB

.xdata
Size: 25KB - Virtual size: 25KB

.bss
Size: - Virtual size: 418KB

.edata
Size: 512B - Virtual size: 345B

.idata
Size: 5KB - Virtual size: 5KB

.CRT
Size: 512B - Virtual size: 104B

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

.reloc
Size: 81KB - Virtual size: 80KB

/4
Size: 1024B - Virtual size: 928B

/19
Size: 4.4MB - Virtual size: 4.4MB

/31
Size: 10KB - Virtual size: 9KB

/45
Size: 2.1MB - Virtual size: 2.1MB

/57
Size: 662KB - Virtual size: 661KB

/70
Size: 10KB - Virtual size: 10KB

/81
Size: 4.8MB - Virtual size: 4.8MB

/92
Size: 1.2MB - Virtual size: 1.2MB

/106
Size: 512B - Virtual size: 48B

/125
Size: 3KB - Virtual size: 3KB

/141
Size: 1.4MB - Virtual size: 1.4MB

/157
Size: 181KB - Virtual size: 180KB