_ReflectiveLoader@4
Behavioral task
behavioral1
Sample
8a5eb654ff2b229e8e3ee714a9800533_JaffaCakes118.dll
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
8a5eb654ff2b229e8e3ee714a9800533_JaffaCakes118.dll
Resource
win10v2004-20240508-en
General
-
Target
8a5eb654ff2b229e8e3ee714a9800533_JaffaCakes118
-
Size
199KB
-
MD5
8a5eb654ff2b229e8e3ee714a9800533
-
SHA1
16e6045738003e394940656e42222a3a14ad14c3
-
SHA256
fd5578f39501dea007a2fa63d5ddaea27a4c772f688da7b5aba489f5c2830102
-
SHA512
1ed385287789f8d86ceca6fbff31890b25948bd46fde2036016a28fcc42beb7bdc8208db2a9b2c6c6d41d6c27795ba19ae1f54c4eb1c13efa1b8055488acc33b
-
SSDEEP
3072:HNEfMCK7JqusgLiKG5TnN7FgkQB7R80kUzRe5j1:SfM5dS/JBN7jiR80Vg
Malware Config
Extracted
cobaltstrike
0
http://admin.hopto.org:80/load
-
crypto_scheme
256
-
host
admin.hopto.org,/load
-
http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
http_method1
GET
-
http_method2
POST
-
maxdns
255
-
pipe_name
\\%s\pipe\msagent_%x
-
polling_time
60000
-
port_number
80
-
sc_process32
%windir%\syswow64\rundll32.exe
-
sc_process64
%windir%\sysnative\rundll32.exe
-
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQChvz2oKTJ0/eJ7cFxHaHPhGqqNrEeTk0/ji502tl8m/Hm/oETz8CH0xSxpU5gyg+tG0FqOQY3WOvmPz61LGiGv4spGlz3Hxd8HXEnd3rk560YzaAPlbwB3bBjbPs1GCAYK5qkDOO7a1WhfdEMBDbtZeqY1JpMSSMovpUojps3qLwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
unknown1
4096
-
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
uri
/submit.php
-
user_agent
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)
-
watermark
0
Signatures
-
Cobalt Strike reflective loader 1 IoCs
Detects the reflective loader used by Cobalt Strike.
resource yara_rule sample cobalt_reflective_dll -
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 8a5eb654ff2b229e8e3ee714a9800533_JaffaCakes118
Files
-
8a5eb654ff2b229e8e3ee714a9800533_JaffaCakes118.dll windows:5 windows x86 arch:x86
e66a62b251fcfbbc930b074503d08542
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
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
CreateRemoteThread
FindNextFileA
FindClose
FindFirstFileA
FileTimeToSystemTime
GetFileAttributesA
ExpandEnvironmentStringsA
GetLogicalDrives
SystemTimeToTzSpecificLocalTime
GetFullPathNameA
CreateThread
GetVersionExA
GetModuleHandleA
CreateNamedPipeA
GetProcAddress
ReadFile
GetCurrentThread
ConnectNamedPipe
GetCurrentProcess
CloseHandle
GetFileTime
GetCurrentDirectoryA
CreatePipe
GetCurrentDirectoryW
GetLastError
GetStartupInfoA
SetCurrentDirectoryA
FlushFileBuffers
DisconnectNamedPipe
GetEnvironmentVariableA
CreateProcessA
WriteFile
SetFileTime
SetEnvironmentVariableA
CompareStringW
CompareStringA
SetEndOfFile
VirtualQuery
GetModuleFileNameW
GetProcessHeap
SetStdHandle
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
SetEnvironmentVariableW
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
GetLocaleInfoA
HeapSize
DebugBreak
RaiseException
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
WaitForSingleObject
CreateFileA
GetCurrentProcessId
GetLocalTime
Sleep
GetTickCount
FreeEnvironmentStringsA
SetFilePointer
GetFileType
SetHandleCount
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
GetConsoleMode
advapi32
DeleteService
CloseServiceHandle
CreateProcessWithLogonW
CreateServiceA
StartServiceA
CreateProcessWithTokenW
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
LogonUserA
CheckTokenMembership
FreeSid
RevertToSelf
AllocateAndInitializeSid
DuplicateTokenEx
LookupAccountSidA
GetTokenInformation
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
GetUserNameA
AdjustTokenPrivileges
ControlService
QueryServiceStatusEx
ImpersonateNamedPipeClient
ImpersonateLoggedOnUser
LookupPrivilegeValueA
OpenThreadToken
OpenProcessToken
OpenServiceA
OpenSCManagerA
QueryServiceStatus
CreateProcessAsUserA
wininet
InternetConnectA
InternetQueryDataAvailable
InternetReadFile
InternetSetOptionA
HttpOpenRequestA
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetQueryOptionA
HttpQueryInfoA
ws2_32
ntohs
connect
htons
socket
accept
send
gethostname
inet_ntoa
WSACleanup
gethostbyname
htonl
ntohl
listen
__WSAFDIsSet
bind
recv
shutdown
WSAGetLastError
select
ioctlsocket
inet_addr
closesocket
WSAStartup
dnsapi
DnsFree
DnsQuery_A
iphlpapi
GetIpAddrTable
GetIfEntry
secur32
LsaCallAuthenticationPackage
LsaConnectUntrusted
LsaLookupAuthenticationPackage
Exports
Exports
Sections
.text Size: 143KB - Virtual size: 142KB
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: 63KB
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