_ReflectiveLoader@4
Behavioral task
behavioral1
Sample
f72afa19e1e4edffe6344aa9111af81e_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f72afa19e1e4edffe6344aa9111af81e_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
-
Target
f72afa19e1e4edffe6344aa9111af81e_JaffaCakes118
-
Size
192KB
-
MD5
f72afa19e1e4edffe6344aa9111af81e
-
SHA1
f9cd93c485267f9e5fe444bea8736ed537bc50a6
-
SHA256
75fa37065709e1cfeafa58b7dbafb2e89b898d7aeb1bb539e302a7dd893f8ada
-
SHA512
893e38e7b6c01a0d67b3e0efad18f4efbcc635f04a719b5107f3e855c1752ffeb2df2d96f2dcd0410a0f148cec70c43b3986b4854fbbfe8196d8b15590b6fc48
-
SSDEEP
3072:xqkkr3Owrt4DtSOnmS0yolSVtlL780kUY15e55i/:xgn48XjSVr380A
Malware Config
Extracted
cobaltstrike
0
http://a0.awsstatic.com:80/__utm.gif
http://images.instagram.com:80/__utm.gif
http://media.tumblr.com:80/__utm.gif
http://cdn.zendesk.com:80/__utm.gif
-
host
a0.awsstatic.com,/__utm.gif,images.instagram.com,/__utm.gif,media.tumblr.com,/__utm.gif,cdn.zendesk.com,/__utm.gif
-
http_header1
AAAACQAAABJ1dG1hYz1VQS0yMjAyNjA0LTIAAAAJAAAAB3V0bWNuPTEAAAAJAAAAEHV0bWNzPUlTTy04ODU5LTEAAAAJAAAAD3V0bXNyPTEyODB4MTAyNAAAAAkAAAAMdXRtc2M9MzItYml0AAAACQAAAAt1dG11bD1lbi1VUwAAAAoAAAAjSG9zdDogZDNteDl3d3Q1NGpoenAuY2xvdWRmcm9udC5uZXQAAAAHAAAAAAAAAAgAAAACAAAABl9fdXRtYQAAAAUAAAAFdXRtY2MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAAAgAAAAZVQS0yMjAAAAABAAAAAi0yAAAABQAAAAV1dG1hYwAAAAkAAAAHdXRtY249MQAAAAkAAAAQdXRtY3M9SVNPLTg4NTktMQAAAAkAAAAPdXRtc3I9MTI4MHgxMDI0AAAACQAAAAx1dG1zYz0zMi1iaXQAAAAJAAAAC3V0bXVsPWVuLVVTAAAACgAAACNIb3N0OiBkM214OXd3dDU0amh6cC5jbG91ZGZyb250Lm5ldAAAAAcAAAABAAAABAAAAAAAAAAAAA==
-
jitter
5120
-
maxdns
255
-
pipe_name
\\%s\pipe\msagent_%x
-
polling_time
500
-
port_number
80
-
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCDlYFyBZVGj7WfFVJUxPVklsHLnsl4QhCMkgdnPDqfkEI8oa7DGOzXtY90swjNj6iyut8WYHU3Wlhnb0vD4z1bKHKg3E+0Pky0Ww/vPzyhfNNmo5eC94Pl1zhT0l9uG/q00aKZL8l2YoEsX06GheQE6CvJ48EhsXPci5+8NONfrwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
unknown1
6.71092736e+08
-
unknown2
AAAABAAAAAIAAAAPAAAAAgAAAA8AAAACAAAACgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
uri
/___utm.gif
-
user_agent
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)
-
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 f72afa19e1e4edffe6344aa9111af81e_JaffaCakes118
Files
-
f72afa19e1e4edffe6344aa9111af81e_JaffaCakes118.dll windows:5 windows x86 arch:x86
44b279bbda1558424b378a71a2ed8452
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
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