ReflectiveLoader
Behavioral task
behavioral1
Sample
b4d0c0c142f4bd79c1f541b4cda846d8e8b666de896a95f747be31f8e890ec9f.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b4d0c0c142f4bd79c1f541b4cda846d8e8b666de896a95f747be31f8e890ec9f.dll
Resource
win10v2004-20240802-en
General
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Target
83e72ec30fa8e7171f3fd225da78b047d5b2898fcff0c9ad1e27b7e54dba8e26
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Size
128KB
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MD5
1dcd41178b4701ea56f19a8cbc58bbf1
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SHA1
d16de510f9c4b014aaef190216cd4829b05c26ec
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SHA256
83e72ec30fa8e7171f3fd225da78b047d5b2898fcff0c9ad1e27b7e54dba8e26
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SHA512
7dbd696af08b1d01d24be7c81b978ba7ba1c3e1ee6e48096cc5f9e19a987b2e9cda0c7209d881928a8fc62af40d5aaf3920282acb6723d9698d7e0c20f3eabcb
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SSDEEP
3072:zPcQAum7QIUG03z3MWVddDGE3TcuxVRk9PeespMK/DOzt8QCS7jSc:zPTFSkz3MW5rTcuxVkPeOoDOzxj7jF
Malware Config
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/b4d0c0c142f4bd79c1f541b4cda846d8e8b666de896a95f747be31f8e890ec9f
Files
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83e72ec30fa8e7171f3fd225da78b047d5b2898fcff0c9ad1e27b7e54dba8e26.zip
Password: infected
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b4d0c0c142f4bd79c1f541b4cda846d8e8b666de896a95f747be31f8e890ec9f.dll windows:5 windows x64 arch:x64
d1076244bb8a79b8df5922494baf7e53
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
GetStartupInfoA
SetCurrentDirectoryA
GetCurrentDirectoryA
MultiByteToWideChar
GetCurrentProcess
GetCurrentThread
ReadFile
VirtualProtectEx
TerminateProcess
ReadProcessMemory
WriteProcessMemory
GetThreadContext
ResumeThread
CreateProcessA
GetCurrentDirectoryW
GetFullPathNameA
GetLogicalDrives
FindClose
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExpandEnvironmentStringsA
GetFileAttributesA
FindFirstFileA
FindNextFileA
CopyFileA
MoveFileA
PeekNamedPipe
OpenProcess
GetCurrentProcessId
VirtualAllocEx
CreateThread
OpenThread
CreateToolhelp32Snapshot
Thread32First
Thread32Next
CreateRemoteThread
SetThreadContext
Wow64GetThreadContext
Wow64SetThreadContext
SetLastError
SetNamedPipeHandleState
CreateFileA
WaitNamedPipeA
GetModuleFileNameA
GetComputerNameA
GetVersionExA
GetACP
GetOEMCP
CreatePipe
InitializeProcThreadAttributeList
DeleteProcThreadAttributeList
SetErrorMode
UpdateProcThreadAttribute
DuplicateHandle
ProcessIdToSessionId
Process32First
Process32Next
VirtualQuery
ExitProcess
ExitThread
GetTickCount
GetLocalTime
WriteFile
WaitForSingleObject
CreateNamedPipeA
DisconnectNamedPipe
ConnectNamedPipe
FlushFileBuffers
LocalFree
LocalAlloc
Sleep
GetModuleHandleA
LoadLibraryA
CreateFileMappingA
UnmapViewOfFile
MapViewOfFile
CloseHandle
GetLastError
HeapFree
HeapAlloc
HeapDestroy
HeapCreate
RaiseException
SetEnvironmentVariableW
SetEnvironmentVariableA
VirtualProtect
VirtualFree
VirtualAlloc
SetEndOfFile
CreateFileW
WriteConsoleW
SetStdHandle
GetStringTypeW
LCMapStringW
CompareStringW
HeapSize
LoadLibraryW
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
QueryPerformanceCounter
RemoveDirectoryW
CreateDirectoryW
DeleteFileW
GetFileType
SetFilePointerEx
SetFilePointer
ReadConsoleW
GetConsoleMode
GetConsoleCP
WideCharToMultiByte
GetCPInfo
IsValidCodePage
RtlUnwindEx
GetProcAddress
GetProcessHeap
FreeLibrary
EncodePointer
DecodePointer
GetModuleHandleExW
AreFileApisANSI
HeapReAlloc
GetCommandLineA
GetCurrentThreadId
GetStdHandle
GetModuleFileNameW
IsDebuggerPresent
IsProcessorFeaturePresent
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
LoadLibraryExW
advapi32
CreateProcessWithTokenW
FreeSid
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
CheckTokenMembership
LogonUserA
LookupAccountSidA
GetTokenInformation
RevertToSelf
GetUserNameA
DuplicateTokenEx
AllocateAndInitializeSid
CreateProcessWithLogonW
CreateProcessAsUserA
ImpersonateLoggedOnUser
LookupPrivilegeValueA
AdjustTokenPrivileges
OpenThreadToken
OpenProcessToken
ImpersonateNamedPipeClient
SetEntriesInAclA
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
ws2_32
send
connect
socket
listen
bind
gethostbyname
WSAIoctl
WSACleanup
WSAStartup
closesocket
ntohl
htons
htonl
accept
recv
ntohs
ioctlsocket
shutdown
WSAGetLastError
__WSAFDIsSet
inet_addr
recvfrom
select
sendto
WSASocketA
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: 56KB - Virtual size: 56KB
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