ReflectiveLoader
Behavioral task
behavioral1
Sample
ac0c64661ea54bb667be2c0e77283f51089445e096cf676d3938af679a79c922.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ac0c64661ea54bb667be2c0e77283f51089445e096cf676d3938af679a79c922.dll
Resource
win10v2004-20230915-en
General
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Target
ac0c64661ea54bb667be2c0e77283f51089445e096cf676d3938af679a79c922
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Size
256KB
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MD5
da58570f302c04bea66fb6916d8d1cd8
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SHA1
d2c0bfcdfab115c7c7da6c36e0299101a4196273
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SHA256
ac0c64661ea54bb667be2c0e77283f51089445e096cf676d3938af679a79c922
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SHA512
b2ea04ad3191ef06c2dac74288774e31ebad675f5959d09c87d84059209cb02db1995aa5244f404b103aca40df38fccc662b3d731b7f802401a4d0e99ea5625a
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SSDEEP
3072:7c0nsHpyvGj346lbkBN/gppj8aJGIhxjT3A8ygbLAZmitdGlB9tQYJ1b/S1P+09B:7c0bPzIpt8ahTw8PHA8itQLQvjuE
Malware Config
Extracted
cobaltstrike
426352781
http://47.96.120.189:8050/dot.gif
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access_type
512
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host
47.96.120.189,/dot.gif
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http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
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http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
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http_method1
GET
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http_method2
POST
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polling_time
60000
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port_number
8050
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sc_process32
%windir%\syswow64\rundll32.exe
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sc_process64
%windir%\sysnative\rundll32.exe
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state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCeJh4XuQesqER2+R/Gwgrl0CL5Kgvl2IqOe5rOqkOlGTggRTe0Mc5TOcezIvhcbmc6gECHCrjOI3azcStRkJcHJnCjXJ7HVNqOaL4OioUMByai8eoYPqC2WQQKD4lVJ7Q5rE3etGQLf+LFFBlBLhP6JOZhwKVa73BgGiw04PjLPwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
4096
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unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/submit.php
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user_agent
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)
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watermark
426352781
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ac0c64661ea54bb667be2c0e77283f51089445e096cf676d3938af679a79c922
Files
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ac0c64661ea54bb667be2c0e77283f51089445e096cf676d3938af679a79c922.dll windows:5 windows x64
aa81c1b260a0efe3cd2c26c7046b78ed
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
HeapAlloc
CreateNamedPipeA
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
QueryPerformanceCounter
RemoveDirectoryW
CreateDirectoryW
DeleteFileW
GetFileType
SetFilePointerEx
SetFilePointer
ReadConsoleW
GetConsoleMode
GetConsoleCP
GetProcAddress
HeapFree
FreeLibrary
EncodePointer
DecodePointer
GetModuleHandleExW
AreFileApisANSI
GetSystemTimeAsFileTime
GetCommandLineA
GetCurrentThreadId
GetStdHandle
GetModuleFileNameW
IsDebuggerPresent
IsProcessorFeaturePresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
LoadLibraryExW
IsValidCodePage
GetCPInfo
WideCharToMultiByte
advapi32
GetTokenInformation
OpenProcessToken
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
CheckTokenMembership
DuplicateTokenEx
LogonUserA
LookupAccountSidA
FreeSid
AllocateAndInitializeSid
ImpersonateNamedPipeClient
RevertToSelf
GetUserNameA
CreateProcessWithTokenW
CreateProcessWithLogonW
CreateProcessAsUserA
ImpersonateLoggedOnUser
LookupPrivilegeValueA
AdjustTokenPrivileges
OpenThreadToken
wininet
InternetConnectA
InternetCloseHandle
InternetReadFile
InternetQueryDataAvailable
InternetQueryOptionA
InternetSetOptionA
InternetSetStatusCallback
HttpOpenRequestA
HttpAddRequestHeadersA
HttpSendRequestA
HttpQueryInfoA
InternetOpenA
ws2_32
connect
closesocket
WSACleanup
send
gethostname
gethostbyname
ntohl
htons
htonl
socket
ntohs
ioctlsocket
recv
shutdown
WSAGetLastError
__WSAFDIsSet
accept
bind
listen
select
WSAStartup
Exports
Exports
Sections
.text Size: 171KB - Virtual size: 170KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 62KB - Virtual size: 62KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ