cobaltstrike | c4331ed28ba40390688140fbff8b8dfdd81a79fbcac254251c58489d41d6f851

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General

Target

c4331ed28ba40390688140fbff8b8dfdd81a79fbcac254251c58489d41d6f851
Size

105KB
MD5

8a00c2c31e3b06caf5bdd8fdd2df1aad
SHA1

6e3e4915f3fbd8ef1a263d69b11347b4bf5a8610
SHA256

c4331ed28ba40390688140fbff8b8dfdd81a79fbcac254251c58489d41d6f851
SHA512

7539712f1106fd15016afe43bdeb76b9a3be05bb575b0ee6afbf1128d7d7a74b5f1c662736c40da4e62fd5a6d934f8976682b2436a4acbdc8270a73a22e391f5
SSDEEP

3072:GfB4kRv/uZgDwXLOXg1rjUvTWl310Sdifg4:GJjRuZugkg18vTW51Ug4

Score

10^/10

0 cobaltstrike

Malware Config

Extracted

Family

cobaltstrike

Botnet

Attributes

watermark
0

Signatures

Cobalt Strike reflective loader 1 IoCs

Detects the reflective loader used by Cobalt Strike.

resource	yara_rule
static1/unpack001/bdada34f4afa0186470ec4b1528ee7e1d94ef541a8e5ea4d25d5865326a60523	cobalt_reflective_dll

Cobaltstrike family
cobaltstrike

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/bdada34f4afa0186470ec4b1528ee7e1d94ef541a8e5ea4d25d5865326a60523

Files

c4331ed28ba40390688140fbff8b8dfdd81a79fbcac254251c58489d41d6f851
.zip

Password: infected
bdada34f4afa0186470ec4b1528ee7e1d94ef541a8e5ea4d25d5865326a60523
.dll windows:5 windows x86 arch:x86

cee2783f5b537863eedf6975484fc19a

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

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

dnsapi

DnsFree
DnsQuery_A

iphlpapi

GetIfEntry
GetIpAddrTable

kernel32

MoveFileA
FindNextFileA
HeapAlloc
HeapFree
GetProcessHeap
CreateRemoteThread
VirtualAlloc
VirtualProtectEx
VirtualAllocEx
ProcessIdToSessionId
VirtualProtect
DuplicateHandle
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

kernelbase

DeleteProcThreadAttributeList
UpdateProcThreadAttribute
InitializeProcThreadAttributeList

secur32

LsaCallAuthenticationPackage
LsaConnectUntrusted
LsaLookupAuthenticationPackage

wininet

HttpQueryInfoA
InternetConnectA
InternetQueryDataAvailable
InternetReadFile
InternetSetOptionA
HttpOpenRequestA
HttpSendRequestA
InternetCloseHandle
InternetQueryOptionA
InternetOpenA

ws2_32

htons
connect
htons
socket
accept
send
gethostname
inet_ntoa
WSAStartup
WSACleanup
gethostbyname
htonl
htonl
listen
__WSAFDIsSet
bind
recv
shutdown
WSAGetLastError
select
ioctlsocket

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: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

Password: infected

cee2783f5b537863eedf6975484fc19a

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

dnsapi

iphlpapi

kernel32

kernelbase

secur32

wininet

ws2_32

Sections

.text Size: 144KB - Virtual size: 144KB

.rdata Size: 39KB - Virtual size: 38KB

.data Size: 9KB - Virtual size: 63KB

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

.reloc Size: 16KB - Virtual size: 16KB

.text
Size: 144KB - Virtual size: 144KB

.rdata
Size: 39KB - Virtual size: 38KB

.data
Size: 9KB - Virtual size: 63KB

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

.reloc
Size: 16KB - Virtual size: 16KB