ReflectiveLoader
Behavioral task
behavioral1
Sample
bbdb7b5222b7e29bf90957e12dc5f083a18dfc86cf66d4d8f48778c1c91eb4f8.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
bbdb7b5222b7e29bf90957e12dc5f083a18dfc86cf66d4d8f48778c1c91eb4f8.dll
Resource
win10v2004-20240709-en
General
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Target
ea8e391ecc842cf0b0092b0a0347bacea8bbb64842ce3cbd5099d17b59f8c5ed
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Size
126KB
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MD5
8abefbc5caf2956699c071dd870fb912
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SHA1
a7bf66e798ce3f5992f047dc928e4559de0c58ed
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SHA256
ea8e391ecc842cf0b0092b0a0347bacea8bbb64842ce3cbd5099d17b59f8c5ed
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SHA512
e4f4b4ec09f61f0db0e195d5dda7e09334f4214a1749039c1ed4c1cec8c7672973afa972cb171f5a6d3855fc1e06073f3e4c03753b99cd2e15e1a0dac41b861f
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SSDEEP
3072:y/SGJRusx9rXtkxwWI7xXUa6MN/i/3sxjdMAKvW4CF4XceRaDkky:y/SGvusxN6xwWVPWivsxJMEB4X2vy
Malware Config
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/bbdb7b5222b7e29bf90957e12dc5f083a18dfc86cf66d4d8f48778c1c91eb4f8
Files
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ea8e391ecc842cf0b0092b0a0347bacea8bbb64842ce3cbd5099d17b59f8c5ed.zip
Password: infected
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bbdb7b5222b7e29bf90957e12dc5f083a18dfc86cf66d4d8f48778c1c91eb4f8.dll windows:5 windows x64 arch:x64
8c3735f4acc1ff228e16baf9855cb862
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
VirtualProtectEx
TerminateProcess
ReadProcessMemory
WriteProcessMemory
GetThreadContext
ResumeThread
CreateProcessA
GetCurrentDirectoryW
GetFullPathNameA
GetLogicalDrives
FindClose
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExpandEnvironmentStringsA
GetFileAttributesA
FindFirstFileA
FindNextFileA
CopyFileA
MoveFileA
VirtualProtect
OpenProcess
GetCurrentProcessId
VirtualAllocEx
CreateThread
OpenThread
CreateToolhelp32Snapshot
Thread32First
Thread32Next
CreateRemoteThread
SetThreadContext
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
Wow64GetThreadContext
Wow64SetThreadContext
SetLastError
SetNamedPipeHandleState
PeekNamedPipe
CreateFileA
WaitNamedPipeA
GetModuleFileNameA
GetComputerNameA
GetVersionExA
GetACP
GetOEMCP
CreateNamedPipeA
HeapFree
GetProcessHeap
InitializeProcThreadAttributeList
DeleteProcThreadAttributeList
SetErrorMode
UpdateProcThreadAttribute
DuplicateHandle
ProcessIdToSessionId
Process32First
Process32Next
VirtualQuery
ExitProcess
ExitThread
ConnectNamedPipe
ReadFile
GetCurrentThread
GetCurrentProcess
MultiByteToWideChar
GetCurrentDirectoryA
SetCurrentDirectoryA
GetStartupInfoA
DisconnectNamedPipe
CreatePipe
GetTickCount
GetLocalTime
CloseHandle
FlushFileBuffers
WriteFile
WaitForSingleObject
GetLastError
Sleep
GetModuleHandleA
RaiseException
SetEnvironmentVariableW
SetEnvironmentVariableA
LoadLibraryA
VirtualFree
VirtualAlloc
SetEndOfFile
CreateFileW
WriteConsoleW
SetStdHandle
GetStringTypeW
LCMapStringW
CompareStringW
HeapReAlloc
HeapSize
LoadLibraryW
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
QueryPerformanceCounter
RemoveDirectoryW
CreateDirectoryW
DeleteFileW
GetFileType
SetFilePointerEx
SetFilePointer
GetProcAddress
HeapAlloc
FreeLibrary
EncodePointer
DecodePointer
GetModuleHandleExW
AreFileApisANSI
GetCommandLineA
GetCurrentThreadId
GetStdHandle
GetModuleFileNameW
IsDebuggerPresent
IsProcessorFeaturePresent
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
LoadLibraryExW
RtlUnwindEx
IsValidCodePage
GetCPInfo
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
ReadConsoleW
advapi32
GetTokenInformation
OpenProcessToken
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
CheckTokenMembership
DuplicateTokenEx
LogonUserA
LookupAccountSidA
FreeSid
AllocateAndInitializeSid
ImpersonateNamedPipeClient
RevertToSelf
GetUserNameA
CreateProcessWithTokenW
CreateProcessWithLogonW
CreateProcessAsUserA
ImpersonateLoggedOnUser
LookupPrivilegeValueA
AdjustTokenPrivileges
OpenThreadToken
wininet
InternetCloseHandle
InternetConnectA
InternetReadFile
InternetQueryDataAvailable
InternetQueryOptionA
InternetSetOptionA
HttpOpenRequestA
HttpSendRequestA
HttpQueryInfoA
InternetOpenA
ws2_32
ntohs
socket
send
connect
closesocket
inet_ntoa
WSAStartup
gethostname
gethostbyname
ntohl
htons
htonl
ioctlsocket
recv
shutdown
WSAGetLastError
__WSAFDIsSet
accept
bind
listen
select
WSACleanup
Exports
Exports
Sections
.text Size: 172KB - Virtual size: 172KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 64KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 52KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ