cobaltstrike | 9a930a8c47c7d43232dc3efaa16c06b56ad5605fc0bc725a90b1c43aa7f7db5f

Resubmissions

30/12/2023, 07:27

231230-jaaqgsbadj 10

11/11/2020, 11:40

201111-fz59k2jgxn 10

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General

Target

9a930a8c47c7d43232dc3efaa16c06b56ad5605fc0bc725a90b1c43aa7f7db5f
Size

192KB
MD5

e5bf00d0d7618987474a24fe58a0894b
SHA1

c5c9aa330f25d77fb43877485e94a92e175bcd40
SHA256

9a930a8c47c7d43232dc3efaa16c06b56ad5605fc0bc725a90b1c43aa7f7db5f
SHA512

9623a10bff9ff64c9a2b83b757ee3e7d114b6bc4982d232fa549d6f959d5526a9d297093d4db3670d01c93d879be2467a2fed0edf8495be5fb41b7961b0bb219
SSDEEP

3072:0o8XlkgbUKqAqr0a9Sy/MwCASya2wCb+Msn0kUY15e5w/:0okn68/4wIXsn0A

Score

10^/10

cobaltstrike

Malware Config

Signatures

Cobalt Strike reflective loader 1 IoCs

Detects the reflective loader used by Cobalt Strike.

resource	yara_rule
sample	cobalt_reflective_dll

Cobaltstrike family
cobaltstrike

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
9a930a8c47c7d43232dc3efaa16c06b56ad5605fc0bc725a90b1c43aa7f7db5f

Files

9a930a8c47c7d43232dc3efaa16c06b56ad5605fc0bc725a90b1c43aa7f7db5f
.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

_ReflectiveLoader@4

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

Resubmissions

Sharing

General

Malware Config

Signatures

Files

44b279bbda1558424b378a71a2ed8452

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

wininet

ws2_32

dnsapi

iphlpapi

secur32

Exports

Exports

Sections

.text Size: 135KB - Virtual size: 135KB

.rdata Size: 38KB - Virtual size: 38KB

.data Size: 9KB - Virtual size: 64KB

.rsrc Size: 512B - Virtual size: 436B

.reloc Size: 7KB - Virtual size: 7KB

.text
Size: 135KB - Virtual size: 135KB

.rdata
Size: 38KB - Virtual size: 38KB

.data
Size: 9KB - Virtual size: 64KB

.rsrc
Size: 512B - Virtual size: 436B

.reloc
Size: 7KB - Virtual size: 7KB