Behavioral task
behavioral1
Sample
a6a5f97665b1ddb3cf6fb0060fb1d517c7d64a6f203d77f267344a3f6f009790.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a6a5f97665b1ddb3cf6fb0060fb1d517c7d64a6f203d77f267344a3f6f009790.exe
Resource
win10v2004-20240412-en
General
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Target
a6a5f97665b1ddb3cf6fb0060fb1d517c7d64a6f203d77f267344a3f6f009790
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Size
5.1MB
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MD5
56b475576d094161d5619abe564dac84
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SHA1
cd8821b198f468e34441483ceb6fc0c3d35be013
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SHA256
a6a5f97665b1ddb3cf6fb0060fb1d517c7d64a6f203d77f267344a3f6f009790
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SHA512
c5a1da52acc46a383c620d547d218c63e0ba6d05c0328a510a0eaf2daa5faf576c805fece7afc1e5f9a6a9eec65db0186754c093e3c403f4dd93fedde0b29113
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SSDEEP
49152:fyiN+cgz0KxuzDXZ4PPUJR9c/1f/02qRYVjX5E0+BcsYuCNLPhQQoA:to0Vzz2B1f/HjE0XuaH
Malware Config
Extracted
cobaltstrike
http://192.168.128.128:80/VUJh
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user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource a6a5f97665b1ddb3cf6fb0060fb1d517c7d64a6f203d77f267344a3f6f009790
Files
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a6a5f97665b1ddb3cf6fb0060fb1d517c7d64a6f203d77f267344a3f6f009790.exe windows:6 windows x64 arch:x64
c2d457ad8ac36fc9f18d45bffcd450c2
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
Imports
kernel32
WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
RtlVirtualUnwind
RtlLookupFunctionEntry
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
AddVectoredContinueHandler
Sections
.text Size: 2.4MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2.4MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 237KB - Virtual size: 804KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 180B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 44KB - Virtual size: 44KB
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