Behavioral task
behavioral1
Sample
CWGrabber64.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
CWGrabber64.exe
Resource
win10v2004-20230220-en
General
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Target
CWGrabber64.exe
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Size
3.2MB
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MD5
b75fd8e4816c59fb7010815866b3ff8d
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SHA1
1c4a82442da1028d684197d6579cdaed85d192d4
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SHA256
8da8821d410b94a2811ce7ae80e901d7e150ad3420d677b158e45324a6606ac4
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SHA512
80b08f062165d85064bc562eabcfab31ffd830d61c79471c60e5cca048417fe24cda92666af84d67386ebb9de3bd997a613e25b543776a32498e9b8e23e24350
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SSDEEP
49152:GA3n4E7UMfPiyE4SBjLDtQZabasLaN8ex/z7bk1h9l:b3U71Bj/tQ6LO8Z9l
Malware Config
Extracted
aurora
77.91.85.73:8081
Signatures
-
Aurora family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource CWGrabber64.exe
Files
-
CWGrabber64.exe.exe windows x64
9cbefe68f395e67356e2a5d8d1b285c0
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 311KB - Virtual size: 697KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 110KB - Virtual size: 109KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ