_ReflectiveLoader@4
Behavioral task
behavioral1
Sample
d9ad67eb1128ed7fcfe31dd7d9ed4f89924a5f07271eae16570f6ba7d933870a.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
d9ad67eb1128ed7fcfe31dd7d9ed4f89924a5f07271eae16570f6ba7d933870a.dll
Resource
win10v2004-20240802-en
General
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Target
04f442ca1aaecf39a307e7372f7d67c3f4b69003243c3fc4ffd3e84ce690db5c
-
Size
111KB
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MD5
ce789a8acf01e30f558be7c8169bf912
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SHA1
bffd34827cbca75d4a3f65c87540918cc70987fd
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SHA256
04f442ca1aaecf39a307e7372f7d67c3f4b69003243c3fc4ffd3e84ce690db5c
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SHA512
c3addcc2616e61d2b464ead628e7799ed995018e4dbf710ff7c3c195412411af75cc7a545dd126e96e0261af86c585e3793e836e389844b043953f4730c21bc2
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SSDEEP
3072:7xvFgChN+/aacSVdIuXXyTWm/FwSYnrT3ondlbXGkcX:NvFpN+iac0BWFwSYr8nd1FcX
Malware Config
Signatures
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Cobalt Strike reflective loader 1 IoCs
Detects the reflective loader used by Cobalt Strike.
resource yara_rule static1/unpack001/d9ad67eb1128ed7fcfe31dd7d9ed4f89924a5f07271eae16570f6ba7d933870a cobalt_reflective_dll -
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/d9ad67eb1128ed7fcfe31dd7d9ed4f89924a5f07271eae16570f6ba7d933870a
Files
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04f442ca1aaecf39a307e7372f7d67c3f4b69003243c3fc4ffd3e84ce690db5c.zip
Password: infected
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d9ad67eb1128ed7fcfe31dd7d9ed4f89924a5f07271eae16570f6ba7d933870a.dll windows:5 windows x86 arch:x86
6a6c26505ccc986d1049664aca817a99
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
GetThreadContext
ReadProcessMemory
CreateProcessA
TerminateProcess
GetCurrentDirectoryW
VirtualProtectEx
WriteProcessMemory
ResumeThread
GetFullPathNameA
SystemTimeToTzSpecificLocalTime
GetLogicalDrives
ExpandEnvironmentStringsA
GetFileAttributesA
FileTimeToSystemTime
FindFirstFileA
CopyFileA
FindClose
MoveFileA
FindNextFileA
VirtualProtect
OpenProcess
GetCurrentProcessId
Thread32First
Thread32Next
VirtualAllocEx
OpenThread
CreateToolhelp32Snapshot
CreateThread
CreateRemoteThread
SetThreadContext
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
SetLastError
GetVersionExA
CreateFileA
PeekNamedPipe
WaitNamedPipeA
SetNamedPipeHandleState
GetComputerNameA
GetACP
GetModuleFileNameA
GetOEMCP
DeleteProcThreadAttributeList
CreateNamedPipeA
HeapFree
GetProcessHeap
InitializeProcThreadAttributeList
SetErrorMode
UpdateProcThreadAttribute
ProcessIdToSessionId
DuplicateHandle
Process32First
Process32Next
VirtualQuery
ExitProcess
ExitThread
ReadFile
GetCurrentThread
ConnectNamedPipe
GetCurrentProcess
CloseHandle
GetCurrentDirectoryA
CreatePipe
GetLocalTime
GetLastError
GetStartupInfoA
SetCurrentDirectoryA
FlushFileBuffers
DisconnectNamedPipe
MultiByteToWideChar
WriteFile
GetTickCount
WaitForSingleObject
Sleep
GetModuleHandleA
DebugBreak
RaiseException
GetModuleFileNameW
SetEnvironmentVariableW
LoadLibraryA
VirtualAlloc
GetProcAddress
SetEnvironmentVariableA
CompareStringW
CompareStringA
SetEndOfFile
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
SetStdHandle
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
GetLocaleInfoA
HeapSize
IsValidCodePage
GetCPInfo
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
VirtualFree
HeapAlloc
FreeLibrary
GetModuleHandleW
DeleteFileA
CreateDirectoryA
RemoveDirectoryA
GetCurrentThreadId
GetCommandLineA
HeapCreate
HeapDestroy
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapReAlloc
GetStdHandle
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
InterlockedDecrement
InitializeCriticalSectionAndSpinCount
RtlUnwind
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
SetHandleCount
GetFileType
SetFilePointer
FreeEnvironmentStringsA
GetEnvironmentStrings
advapi32
LookupAccountSidA
OpenThreadToken
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
LogonUserA
CheckTokenMembership
FreeSid
RevertToSelf
AllocateAndInitializeSid
DuplicateTokenEx
OpenProcessToken
GetTokenInformation
GetUserNameA
CreateProcessWithTokenW
CreateProcessWithLogonW
CreateProcessAsUserA
AdjustTokenPrivileges
ImpersonateNamedPipeClient
ImpersonateLoggedOnUser
LookupPrivilegeValueA
wininet
InternetReadFile
InternetConnectA
InternetQueryDataAvailable
InternetSetOptionA
HttpOpenRequestA
HttpAddRequestHeadersA
InternetSetStatusCallback
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetQueryOptionA
HttpQueryInfoA
ws2_32
closesocket
send
gethostname
WSAStartup
socket
gethostbyname
ntohl
htons
htonl
connect
ntohs
recv
shutdown
WSAGetLastError
ioctlsocket
accept
listen
__WSAFDIsSet
bind
select
WSACleanup
Exports
Exports
Sections
.text Size: 148KB - Virtual size: 148KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ