Behavioral task
behavioral1
Sample
3426daf171e4e740aa926dc41e4ff01abe7a6dfe2fbbb81cb6274db68de0d0b6.exe
Resource
win7-20230824-en
Behavioral task
behavioral2
Sample
3426daf171e4e740aa926dc41e4ff01abe7a6dfe2fbbb81cb6274db68de0d0b6.exe
Resource
win10v2004-20230703-en
General
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Target
3426daf171e4e740aa926dc41e4ff01abe7a6dfe2fbbb81cb6274db68de0d0b6
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Size
1.2MB
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MD5
348ca773e0a8e583d975df35e526c8d9
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SHA1
fd031ee20c5dab21bdfe3040e12cde6141434bdd
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SHA256
3426daf171e4e740aa926dc41e4ff01abe7a6dfe2fbbb81cb6274db68de0d0b6
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SHA512
dbab215aea654404400eb816f0a5ed47f8e64fa151c7c34084daf019896f1242907ab106636b1709ac5abdd97854cff7a4bf3cb000ac5f61d5b530f1518c9a12
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SSDEEP
12288:3IHnT+L+HuqvqORhCMREq5HTjjnrKAIpKfT6gOEWWF1LY24fpfUsflh1z:mKw1vqORhCMjTrfT6gOEWWyf3fD1
Malware Config
Extracted
cobaltstrike
http://112.126.73.8:38080/Blv9
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; BOIE9;SVSE)
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3426daf171e4e740aa926dc41e4ff01abe7a6dfe2fbbb81cb6274db68de0d0b6
Files
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3426daf171e4e740aa926dc41e4ff01abe7a6dfe2fbbb81cb6274db68de0d0b6.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: 558KB - Virtual size: 557KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 608KB - Virtual size: 607KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 95KB - Virtual size: 455KB
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: 10KB
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