sakula | MediaCenter[.]exe

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General

Target

MediaCenter.exe
Size

89KB
MD5

0f428350ee7737de4590ecb1c1695de9
SHA1

a4c67d71f2f71228289652fc3864d6ac2aababc5
SHA256

271be9c3df89b518eceeb3be77246d48313bd98299f9c5c76b23bc983521bfc1
SHA512

a5224473cf4513545ea60c7dbb1c4ce2ecaa6632cd7f490bf3d1025715c26db2ba10458a6a6666a07ec9b13f74c275a7dab6c012023bd950b295dba2be798838
SSDEEP

1536:voaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroWuxzuc:Q0hpgz6xGhTjwHN30BE3/

Score

10^/10

sakula

Malware Config

Signatures

Sakula family
sakula
Sakula payload 1 IoCs

Processes:

resource yara_rule

sample family_sakula

resource	yara_rule
sample	family_sakula

Files

MediaCenter.exe
.exe windows x86

539502771da573641ecc7f6497e39f8f

Code Sign

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02-09-2021 18:32

Not After

01-09-2022 18:32

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08-07-2011 20:59

Not After

08-07-2026 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

b5:a2:6d:b7:4b:86:0b:83:bb:ed:83:ad:5a:eb:3d:84:00:fe:98:23:40:a1:c3:0c:85:69:ef:2b:51:f2:5d:25
Signer

Actual PE Digest

b5:a2:6d:b7:4b:86:0b:83:bb:ed:83:ad:5a:eb:3d:84:00:fe:98:23:40:a1:c3:0c:85:69:ef:2b:51:f2:5d:25

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

06-10-2022 18:34
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetCurrentThread
VirtualFree
ExpandEnvironmentStringsA
WriteFile
OpenProcess
WideCharToMultiByte
GetVolumeInformationA
Sleep
SizeofResource
CreateProcessA
ReadFile
GetSystemDirectoryA
MultiByteToWideChar
SetThreadPriority
GetTickCount
GetStartupInfoA
FindFirstFileA
GetLastError
VirtualAlloc
FindClose
LockResource
CreatePipe
GetModuleFileNameA
GetVersionExA
WinExec
CloseHandle
GetCurrentProcessId
GetTempPathA
GetCurrentProcess
LoadResource
PeekNamedPipe
SetFilePointer
SetPriorityClass
FindResourceA
GetFileSize
CreateFileA
GetComputerNameA
CreateDirectoryA
ExitProcess
CreateFileW
GetProcessHeap
SetEndOfFile
HeapReAlloc
GetStringTypeW
LCMapStringW
FlushFileBuffers
WriteConsoleW
SetStdHandle
GetProcAddress
GetModuleHandleW
DecodePointer
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
GetCommandLineA
HeapSetInformation
GetStartupInfoW
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
EncodePointer
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
LoadLibraryW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetStdHandle
GetModuleFileNameW
HeapCreate
RtlUnwind
GetConsoleCP
GetConsoleMode
SetHandleCount
GetFileType
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapSize
IsProcessorFeaturePresent

advapi32

RegOpenKeyA
GetUserNameA
FreeSid
AllocateAndInitializeSid
RegDeleteKeyA
EqualSid
RegSetValueExA
GetTokenInformation
OpenProcessToken
RegCloseKey

shell32

SHChangeNotify
ord680
ShellExecuteA

wininet

HttpOpenRequestA
InternetOpenUrlA
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetConnectA
InternetReadFile

Sections

.text
Size: 46KB - Virtual size: 46KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

539502771da573641ecc7f6497e39f8f

Code Sign

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

b5:a2:6d:b7:4b:86:0b:83:bb:ed:83:ad:5a:eb:3d:84:00:fe:98:23:40:a1:c3:0c:85:69:ef:2b:51:f2:5d:25Signer

Signature Validations

Verification

06-10-2022 18:34 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

wininet

Sections

.text Size: 46KB - Virtual size: 46KB

.rdata Size: 11KB - Virtual size: 10KB

.data Size: 6KB - Virtual size: 14KB

.rsrc Size: 11KB - Virtual size: 10KB

.reloc Size: 4KB - Virtual size: 3KB

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

b5:a2:6d:b7:4b:86:0b:83:bb:ed:83:ad:5a:eb:3d:84:00:fe:98:23:40:a1:c3:0c:85:69:ef:2b:51:f2:5d:25
Signer

06-10-2022 18:34
Valid: false

.text
Size: 46KB - Virtual size: 46KB

.rdata
Size: 11KB - Virtual size: 10KB

.data
Size: 6KB - Virtual size: 14KB

.rsrc
Size: 11KB - Virtual size: 10KB

.reloc
Size: 4KB - Virtual size: 3KB