_ReflectiveLoader@4
Behavioral task
behavioral1
Sample
702b81aa3466b06d266b75534c851c78d08b6cebb555eaf43dc69467d5adda15.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
702b81aa3466b06d266b75534c851c78d08b6cebb555eaf43dc69467d5adda15.dll
Resource
win10v2004-20241007-en
General
-
Target
702b81aa3466b06d266b75534c851c78d08b6cebb555eaf43dc69467d5adda15.zip
-
Size
165KB
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MD5
0d893c3a585acc2a3274870a814563ac
-
SHA1
da73353694178ffb9cf3d8b472f84ec3141a81f0
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SHA256
93c6e7c538a59f7188c1284e1f5bceafda6a13d4e3f75271cf80dc722273e757
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SHA512
6a6ad8714344c62f2409690fad597e40edd0d20b94b159da39462e3f1f113e0d659e8bf0525896a10a9624bcef2192accacfbd543f037cfbd81369c9e70d8550
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SSDEEP
3072:XhDb5vaIops7pCXvvbF9Cz7SqTFAizmapdx6SGgL27XGKa4IBV87htTwrB:RDb5vaIP7pCfvbDwRAcV6f7WB4IBV87a
Malware Config
Extracted
cobaltstrike
0
http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
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access_type
512
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beacon_type
256
-
create_remote_thread
768
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crypto_scheme
256
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host
ns7.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns8.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns9.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
-
http_header1
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAUSG9zdDogd3d3LmFtYXpvbi5jb20AAAAHAAAAAAAAAAMAAAACAAAADnNlc3Npb24tdG9rZW49AAAAAgAAAAxza2luPW5vc2tpbjsAAAABAAAALGNzbS1oaXQ9cy0yNEtVMTFCQjgyUlpTWUdKM0JES3wxNDE5ODk5MDEyOTk2AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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http_header2
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFEhvc3Q6IHd3dy5hbWF6b24uY29tAAAACQAAAApzej0xNjB4NjAwAAAACQAAABFvZT1vZT1JU08tODg1OS0xOwAAAAcAAAAAAAAABQAAAAJzbgAAAAkAAAAGcz0zNzE3AAAACQAAACJkY19yZWY9aHR0cCUzQSUyRiUyRnd3dy5hbWF6b24uY29tAAAABwAAAAEAAAADAAAABAAAAAAAAA==
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http_method1
GET
-
http_method2
POST
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maxdns
255
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pipe_name
\\%s\pipe\msagent_%x
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polling_time
5000
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port_number
443
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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
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI579oVVII0cYncGonU6vTWyFhqmq8w5QwvI8qsoWeV68Ngy+MjNPX2crcSVVWKQ3j09FII28KTmoE1XFVjEXF3WytRSlDe1OKfOAHX3XYkS9LcUAy0eRl2h4a73hrg1ir/rpisNT6hHtYaK3tmH8DgW/n1XfTfbWk1MZ7cXQHWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
4096
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unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/N4215/adj/amzn.us.sr.aps
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
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watermark
0
Signatures
-
Cobalt Strike reflective loader 1 IoCs
Detects the reflective loader used by Cobalt Strike.
resource yara_rule static1/unpack001/702b81aa3466b06d266b75534c851c78d08b6cebb555eaf43dc69467d5adda15 cobalt_reflective_dll -
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/702b81aa3466b06d266b75534c851c78d08b6cebb555eaf43dc69467d5adda15
Files
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702b81aa3466b06d266b75534c851c78d08b6cebb555eaf43dc69467d5adda15.zip.zip
Password: infected
-
702b81aa3466b06d266b75534c851c78d08b6cebb555eaf43dc69467d5adda15.dll windows:5 windows x86 arch:x86
Password: infected
f2e0b7b9a08bd8dcaf133d9278ecdb47
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
MoveFileA
FindNextFileA
DeleteProcThreadAttributeList
HeapAlloc
UpdateProcThreadAttribute
HeapFree
GetProcessHeap
CreateRemoteThread
VirtualAlloc
VirtualProtectEx
VirtualAllocEx
ProcessIdToSessionId
VirtualProtect
DuplicateHandle
InitializeProcThreadAttributeList
WriteProcessMemory
GetThreadContext
SetThreadContext
FreeLibrary
VirtualFree
Thread32First
Thread32Next
SetLastError
LoadLibraryA
OpenThread
CreateToolhelp32Snapshot
SuspendThread
ResumeThread
PeekNamedPipe
WaitNamedPipeA
SetNamedPipeHandleState
LocalAlloc
LocalFree
GetComputerNameA
FindClose
TerminateProcess
Process32Next
CopyFileA
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
OpenProcess
WriteFile
SetFileTime
WaitForSingleObject
SetEnvironmentVariableA
CompareStringW
CompareStringA
SetEndOfFile
SetEnvironmentVariableW
VirtualQuery
GetModuleFileNameW
SetStdHandle
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
GetLocaleInfoA
HeapSize
DebugBreak
RaiseException
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
CreateFileA
GetCurrentProcessId
GetLocalTime
Sleep
Process32First
GetTickCount
SetFilePointer
GetFileType
SetHandleCount
GetConsoleMode
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
GetUserNameA
CloseServiceHandle
OpenProcessToken
CreateProcessWithLogonW
DeleteService
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
LogonUserA
CheckTokenMembership
FreeSid
RevertToSelf
AllocateAndInitializeSid
DuplicateTokenEx
LookupAccountSidA
GetTokenInformation
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
CreateProcessAsUserA
AdjustTokenPrivileges
ControlService
QueryServiceStatusEx
ImpersonateNamedPipeClient
ImpersonateLoggedOnUser
LookupPrivilegeValueA
OpenThreadToken
OpenServiceA
OpenSCManagerA
QueryServiceStatus
CreateProcessWithTokenW
StartServiceA
CreateServiceA
wininet
HttpQueryInfoA
InternetConnectA
InternetQueryDataAvailable
InternetReadFile
InternetSetOptionA
HttpOpenRequestA
HttpSendRequestA
InternetCloseHandle
InternetQueryOptionA
InternetOpenA
ws2_32
ntohs
connect
htons
socket
accept
send
gethostname
inet_ntoa
WSAStartup
WSACleanup
gethostbyname
htonl
ntohl
listen
__WSAFDIsSet
bind
recv
shutdown
WSAGetLastError
select
ioctlsocket
inet_addr
closesocket
dnsapi
DnsFree
DnsQuery_A
iphlpapi
GetIfEntry
GetIpAddrTable
secur32
LsaCallAuthenticationPackage
LsaConnectUntrusted
LsaLookupAuthenticationPackage
Exports
Exports
Sections
.text Size: 144KB - Virtual size: 144KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 39KB - 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: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ