Behavioral task
behavioral1
Sample
aa31f8fbb15220c00dbdb45d066fabcf48912c4e4aa1a9647f1556f00289f572.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
aa31f8fbb15220c00dbdb45d066fabcf48912c4e4aa1a9647f1556f00289f572.exe
Resource
win10v2004-20230915-en
General
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Target
aa31f8fbb15220c00dbdb45d066fabcf48912c4e4aa1a9647f1556f00289f572
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Size
1.3MB
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MD5
4338756205bcb6ad9b07912c511be948
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SHA1
e9173e4e11f3e9e237ded76ae7f0c82e1f17abd9
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SHA256
aa31f8fbb15220c00dbdb45d066fabcf48912c4e4aa1a9647f1556f00289f572
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SHA512
88f1929f3fc907f0e92be4467ba3427af6681d53c6b91ba12493804619eac4d42e2b01a6f4f10afb97b221c8cd75a84c6db07e1b46c785b8a3a1c8ffb8005806
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SSDEEP
12288:dQ6sulnVy5ZnGzx0tIRrcxnZaELWxtdv8rgURItbwSxJISUZc9zpDTlelh1SN:SuJVy5Zn6x0+qch8rgwItCZc9z5JeD1
Malware Config
Extracted
cobaltstrike
http://192.168.159.145:8080/TO9ZiB/N8tEj8/login.html
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user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource aa31f8fbb15220c00dbdb45d066fabcf48912c4e4aa1a9647f1556f00289f572
Files
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aa31f8fbb15220c00dbdb45d066fabcf48912c4e4aa1a9647f1556f00289f572.exe windows:6 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: 570KB - Virtual size: 569KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 629KB - Virtual size: 629KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 95KB - Virtual size: 453KB
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: 11KB - Virtual size: 11KB
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