_ReflectiveLoader@4
Behavioral task
behavioral1
Sample
c5b3b601e7400fexeexeexeex.dll
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
c5b3b601e7400fexeexeexeex.dll
Resource
win10v2004-20230703-en
General
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Target
c5b3b601e7400fexeexeexeex.exe
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Size
201KB
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MD5
c5b3b601e7400f3c4cfd306d6804bc1a
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SHA1
5bd50536e4c0a18d2e06d53ebb8a753088a09145
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SHA256
6a1e8469497af78d8296f9fd2d4cc03ca6a21ec6fc7490c49b7f97ee01fcaa1f
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SHA512
4df133a77e9e7b642bec0db8864fc49b31c95b6c82cac75a23a751dd6be63a3c31fc2aeadeb2f52dde71851498010eaf1e1b55388bf792eef3489e5f9205a481
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SSDEEP
3072:LdiFtjEf4gkF6YIc9k8zD9+YMU/cJUO2pmXoD3xFjtUo+5BKz:eJEf1kIYVj1+7U/lbD37j
Malware Config
Extracted
cobaltstrike
0
http://47.116.72.212:443/news/
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access_type
512
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beacon_type
2048
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dns_idle
1.34744072e+08
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host
47.116.72.212,/news/
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http_header1
AAAACgAAABxSZWZlcmVyOiBodHRwOi8vd3d3LmJpbmcuY29tAAAACgAAAGtBY2NlcHQ6IHRleHQveG1sLGFwcGxpY2F0aW9uL3htbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsdGV4dC9odG1sO3E9MC45LHRleHQvcGxhaW47cT0wLjgsaW1hZ2UvcG5nLCovKjtxPTAuNQAAAAoAAAAfQWNjZXB0LUxhbmd1YWdlOiBlbi11cyxlbjtxPTAuNQAAAAcAAAAAAAAAAwAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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http_method1
GET
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http_method2
POST
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maxdns
255
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polling_time
43210
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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
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCQqYYweftXfLRn55/0edRhinmJMHFOsqoF4A0TKXtQhvjAI4RXetgsPoh9cEmrhAGIo+IJKQSJJv2DrRj5L2lUG/6BRtE/esKpXdIMsEz/tC/pT6QR6xUnNNkZzAtZPw8IsqO0apeghm+4F0Wqj4NtQIcvS+2ni6TZIQGFmh9yzwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
3.998553344e+09
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unknown2
AAAABAAAAAEAAAAWAAAAAgAAAIAAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/paper/
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0
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watermark
0
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource c5b3b601e7400fexeexeexeex.exe
Files
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c5b3b601e7400fexeexeexeex.exe.dll windows x86
072f0fb2d931f41f8eca43e3ca219fad
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
GetThreadContext
ReadProcessMemory
CreateProcessA
TerminateProcess
GetCurrentDirectoryW
VirtualProtectEx
WriteProcessMemory
ResumeThread
GetFullPathNameA
SystemTimeToTzSpecificLocalTime
GetLogicalDrives
ExpandEnvironmentStringsA
GetFileAttributesA
FileTimeToSystemTime
FindFirstFileA
CopyFileA
FindClose
MoveFileA
FindNextFileA
VirtualProtect
OpenProcess
GetCurrentProcessId
Thread32First
Thread32Next
VirtualAllocEx
OpenThread
CreateToolhelp32Snapshot
CreateThread
CreateRemoteThread
SetThreadContext
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
SetLastError
GetVersionExA
CreateFileA
PeekNamedPipe
WaitNamedPipeA
SetNamedPipeHandleState
GetComputerNameA
GetACP
GetModuleFileNameA
GetOEMCP
DeleteProcThreadAttributeList
CreateNamedPipeA
HeapFree
GetProcessHeap
InitializeProcThreadAttributeList
SetErrorMode
UpdateProcThreadAttribute
ProcessIdToSessionId
DuplicateHandle
Process32First
Process32Next
VirtualQuery
ExitProcess
ExitThread
ReadFile
GetCurrentThread
ConnectNamedPipe
GetCurrentProcess
CloseHandle
GetCurrentDirectoryA
CreatePipe
GetLocalTime
GetLastError
GetStartupInfoA
SetCurrentDirectoryA
FlushFileBuffers
DisconnectNamedPipe
MultiByteToWideChar
WriteFile
GetTickCount
WaitForSingleObject
Sleep
GetModuleHandleA
DebugBreak
GetModuleFileNameW
RaiseException
SetEnvironmentVariableW
LoadLibraryA
VirtualAlloc
GetProcAddress
SetEnvironmentVariableA
CompareStringW
CompareStringA
SetEndOfFile
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
SetStdHandle
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
GetLocaleInfoA
HeapSize
IsValidCodePage
GetCPInfo
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetEnvironmentStringsW
VirtualFree
HeapAlloc
FreeLibrary
GetModuleHandleW
DeleteFileA
CreateDirectoryA
RemoveDirectoryA
GetCurrentThreadId
GetCommandLineA
HeapCreate
HeapDestroy
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapReAlloc
GetStdHandle
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
InterlockedDecrement
InitializeCriticalSectionAndSpinCount
RtlUnwind
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
SetHandleCount
GetFileType
SetFilePointer
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
advapi32
LookupAccountSidA
OpenThreadToken
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
LogonUserA
CheckTokenMembership
FreeSid
RevertToSelf
AllocateAndInitializeSid
DuplicateTokenEx
OpenProcessToken
GetTokenInformation
GetUserNameA
CreateProcessWithTokenW
CreateProcessWithLogonW
CreateProcessAsUserA
AdjustTokenPrivileges
ImpersonateNamedPipeClient
ImpersonateLoggedOnUser
LookupPrivilegeValueA
wininet
InternetQueryDataAvailable
InternetConnectA
InternetReadFile
InternetSetOptionA
HttpOpenRequestA
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetQueryOptionA
HttpQueryInfoA
ws2_32
ntohs
connect
socket
closesocket
send
inet_ntoa
WSAStartup
WSACleanup
gethostbyname
ntohl
htons
htonl
recv
shutdown
WSAGetLastError
ioctlsocket
accept
listen
__WSAFDIsSet
bind
select
gethostname
Exports
Exports
Sections
.text Size: 145KB - Virtual size: 145KB
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: 8KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ