_ReflectiveLoader@4
Static task
static1
Behavioral task
behavioral1
Sample
9d9d1c246ba83a646dd9537d665344d6a611e7a279dcfe288a377840c31fe89c.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
9d9d1c246ba83a646dd9537d665344d6a611e7a279dcfe288a377840c31fe89c.dll
Resource
win10-en-20211208
General
-
Target
9d9d1c246ba83a646dd9537d665344d6a611e7a279dcfe288a377840c31fe89c
-
Size
192KB
-
MD5
ed91fde671cf730e03a46ac1d56a872d
-
SHA1
99210a1bd725ebedb3a0cb5420e466069794300e
-
SHA256
9d9d1c246ba83a646dd9537d665344d6a611e7a279dcfe288a377840c31fe89c
-
SHA512
b0da04a0916d222ee28cc603f92e0408780af53f16afb8cfc3cbc3948801a04d1c6da31838a7e670b03d9b163acc31172887965d62ccc76a308b4b7db552efac
-
SSDEEP
3072:xqkkr3Owrt4DtSOnmS0yolSVtlL780kUY15e5S/:xgn48XjSVr380A
Malware Config
Extracted
cobaltstrike
0
http://86.106.131.207:443/visit.js
-
beacon_type
2048
-
host
86.106.131.207,/visit.js
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http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
maxdns
255
-
pipe_name
\\%s\pipe\msagent_%x
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polling_time
60000
-
port_number
443
-
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCPtLEgPCPVf0beGg/KsNhh0t3fDTVA2x3BI6Xzs7PVZ/9ru8mRtmCG8vF66GWoocxUwgv8NmnNwNMd0JP+1Wrn2QaSuzt86mNw4qhBv9IcOTlbSSTU1hVNPqhLuM64/97mjkor6OK8AR2/GBN6nefT6370Fx46kkuhdIUBXuru9wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
unknown1
4096
-
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
uri
/submit.php
-
user_agent
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; BOIE9;ENUS)
-
watermark
0
Signatures
-
Cobalt Strike reflective loader 1 IoCs
Detects the reflective loader used by Cobalt Strike.
Processes:
resource yara_rule sample cobalt_reflective_dll -
Cobaltstrike family
Files
-
9d9d1c246ba83a646dd9537d665344d6a611e7a279dcfe288a377840c31fe89c.dll windows x86
44b279bbda1558424b378a71a2ed8452
Code Sign
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
OpenProcess
VirtualAllocEx
WriteProcessMemory
FreeLibrary
VirtualFree
Thread32First
Thread32Next
SetLastError
VirtualAlloc
LoadLibraryA
OpenThread
CreateToolhelp32Snapshot
SuspendThread
ResumeThread
PeekNamedPipe
WaitNamedPipeA
SetNamedPipeHandleState
LocalAlloc
LocalFree
GetComputerNameA
Process32First
TerminateProcess
Process32Next
ProcessIdToSessionId
GetFileAttributesA
GetLogicalDrives
SystemTimeToTzSpecificLocalTime
GetFullPathNameA
CreateThread
GetVersionExA
GetModuleHandleA
CreateNamedPipeA
GetProcAddress
ReadFile
GetCurrentThread
ConnectNamedPipe
GetCurrentProcess
CloseHandle
GetFileTime
GetCurrentDirectoryA
CreatePipe
GetCurrentDirectoryW
GetLastError
GetWindowsDirectoryA
SetCurrentDirectoryA
FlushFileBuffers
DisconnectNamedPipe
GetEnvironmentVariableA
CreateProcessA
WriteFile
SetFileTime
WaitForSingleObject
CreateFileA
GetCurrentProcessId
GetLocalTime
Sleep
SetEndOfFile
VirtualQuery
GetModuleFileNameW
GetProcessHeap
SetStdHandle
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
GetTickCount
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
GetLocaleInfoA
HeapSize
DebugBreak
RaiseException
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
CreateRemoteThread
FindNextFileA
FindClose
FindFirstFileA
GetStartupInfoA
FileTimeToSystemTime
SetFilePointer
GetFileType
SetHandleCount
GetConsoleMode
HeapFree
HeapAlloc
GetModuleHandleW
ExitProcess
MultiByteToWideChar
DeleteFileA
CreateDirectoryA
RemoveDirectoryA
GetCurrentThreadId
GetCommandLineA
GetSystemTimeAsFileTime
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapCreate
HeapDestroy
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapReAlloc
GetStdHandle
GetModuleFileNameA
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
InterlockedDecrement
InitializeCriticalSectionAndSpinCount
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
RtlUnwind
WideCharToMultiByte
GetConsoleCP
advapi32
CryptGenRandom
CryptReleaseContext
CryptAcquireContextA
LogonUserA
CheckTokenMembership
FreeSid
RevertToSelf
AllocateAndInitializeSid
DuplicateTokenEx
LookupAccountSidA
GetTokenInformation
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
GetUserNameA
AdjustTokenPrivileges
ControlService
QueryServiceStatusEx
ImpersonateNamedPipeClient
ImpersonateLoggedOnUser
LookupPrivilegeValueA
OpenThreadToken
OpenProcessToken
OpenServiceA
OpenSCManagerA
QueryServiceStatus
CreateProcessWithTokenW
StartServiceA
CreateServiceA
DeleteService
CreateProcessWithLogonW
CloseServiceHandle
CreateProcessAsUserA
wininet
InternetConnectA
InternetQueryDataAvailable
InternetReadFile
InternetSetOptionA
HttpOpenRequestA
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetQueryOptionA
HttpQueryInfoA
ws2_32
ntohs
connect
htons
socket
accept
send
gethostname
inet_ntoa
WSAStartup
gethostbyname
ntohl
htonl
listen
__WSAFDIsSet
bind
recv
shutdown
WSAGetLastError
select
ioctlsocket
inet_addr
closesocket
WSACleanup
dnsapi
DnsFree
DnsQuery_A
iphlpapi
GetIfEntry
GetIpAddrTable
secur32
LsaCallAuthenticationPackage
LsaConnectUntrusted
LsaLookupAuthenticationPackage
Exports
Exports
Sections
.text Size: 135KB - Virtual size: 135KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 38KB - Virtual size: 38KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 436B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ