warmcookie | Malware-1[.]zip

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General

Target

Malware-1.zip
Size

77KB
MD5

17eac32b01798242a64fddbbe3be6ba4
SHA1

4adc8c04e7c3365964d5bd9468f9bff7962412ce
SHA256

371cf9bcf9a3d7b11d5ac386bef9450beac8c66a546fea1ca9cf629cdb751825
SHA512

0df2923d79286539b822459c95f67bb448d0bf4b0f658ce2da866459493a124b8135b3c8e2aa25b50834160acc90c6b6bf7d9401d8a96ba595efa421c0036b8e
SSDEEP

1536:Ykufy0tKCFt2ROXpIF9Y59OSybohv5AsYToeYuerTrwPzgh99hUgMQd1c:YkuaI7b2ROZMKOSN5ATTben8Lg9963QQ

Score

10^/10

backdoor warmcookie

Malware Config

Extracted

Family

warmcookie

72.5.43.29

Attributes

mutex
a208f030-25f9-4f41-8b57-6b0b7ecccf29
user_agent
Mozilla / 5.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705)

Signatures

Warmcookie family
warmcookie

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/f4d2c9470b322af29b9188a3a590cbe85bacb9cc8fcd7c2e94d82271ded3f659.dll

Files

Malware-1.zip
.zip
Run-Malware-1.bat
f4d2c9470b322af29b9188a3a590cbe85bacb9cc8fcd7c2e94d82271ded3f659.dll
.dll regsvr32 windows:6 windows x64 arch:x64

4e07c2fd62376d20191892e1e1215fcd

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

E:\work\ooooooops\181\knock_v1.1.8\knock\bin64\knock.pdb

Imports

kernel32

GetLastError
SetLastError
ExpandEnvironmentStringsW
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
DeleteFileW
GetVolumeInformationW
ReadFile
RemoveDirectoryW
SetFilePointer
WriteFile
SetHandleInformation
CreatePipe
PeekNamedPipe
WaitForSingleObject
CreateMutexW
CreateThread
TerminateProcess
CreateProcessW
GlobalMemoryStatusEx
GetTickCount
GetComputerNameExW
GetModuleFileNameW
GetComputerNameW
MultiByteToWideChar
WideCharToMultiByte
HeapAlloc
HeapReAlloc
HeapFree
GetProcessHeap
GetTempFileNameW
GetTempPathW
GetSystemDirectoryW
LocalFree
Sleep
CloseHandle
LoadLibraryW
GetProcAddress
GetModuleHandleW
OpenMutexW
RaiseException
WriteConsoleW
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
InterlockedFlushSList
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
GetACP
GetStdHandle
GetFileType
LCMapStringW
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
SetStdHandle
GetSystemInfo

advapi32

SystemFunction036
GetUserNameW
RegQueryValueExW
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey

shell32

SHGetFolderPathW

ole32

CoTaskMemFree

ws2_32

gethostbyname
inet_ntoa
gethostname
WSAStartup
WSACleanup

Exports

Exports

DllGetClassObject
DllRegisterServer
DllRegisterServerEx
DllUnregisterServer
Start

Sections

.text
Size: 95KB - Virtual size: 94KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 156B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

4e07c2fd62376d20191892e1e1215fcd

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

shell32

ole32

ws2_32

Exports

Exports

Sections

.text Size: 95KB - Virtual size: 94KB

.rdata Size: 40KB - Virtual size: 40KB

.data Size: 11KB - Virtual size: 15KB

.pdata Size: 5KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 156B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 95KB - Virtual size: 94KB

.rdata
Size: 40KB - Virtual size: 40KB

.data
Size: 11KB - Virtual size: 15KB

.pdata
Size: 5KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 156B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 2KB - Virtual size: 1KB