sakula | 99021fe3de2c235d3ee63ef816e2e8f7ecf9b25081ead44f3f5bb39ffa8cf1c9

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General

Target

99021fe3de2c235d3ee63ef816e2e8f7ecf9b25081ead44f3f5bb39ffa8cf1c9
Size

220KB
MD5

9db6e1416b3b2d02e4f0df29c2aa3a33
SHA1

d9fa4284a962b6b4bbfe1576d8b47fdd31508274
SHA256

99021fe3de2c235d3ee63ef816e2e8f7ecf9b25081ead44f3f5bb39ffa8cf1c9
SHA512

3183d7718f5106bb38bd93ad0beac1fb53db2955dd38a40fd9ea9614febf83940d7fb400e442ec8f056cb8f0518c11a7e504e9f1054effcd2d609f9b47792b4a
SSDEEP

3072:a29DkEGRQixVSjLaes5G30B6SHrMPK82S5EVVEdZHMoGo8uA0I6pVMybCFbRW:a29qRfVSnfj30B+2S6ydMI8QVMgCFbRW

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

99021fe3de2c235d3ee63ef816e2e8f7ecf9b25081ead44f3f5bb39ffa8cf1c9
.exe windows x86

4511896d043677e4ab4578dc5bcab5a0

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

3a:05:62:09:87:db:ea:47:c6:39:7d:bb:a9:a3:65:18:b0:3f:6a:da:f9:6c:4b:b9:19:71:90:bd:8d:ed:ae:0f
Signer

Actual PE Digest

3a:05:62:09:87:db:ea:47:c6:39:7d:bb:a9:a3:65:18:b0:3f:6a:da:f9:6c:4b:b9:19:71:90:bd:8d:ed:ae:0f

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

14-10-2022 21:46
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
TerminateProcess
ReadFile
GetSystemDirectoryA
MultiByteToWideChar
GetTickCount
CreateDirectoryA
GetStartupInfoA
FindFirstFileA
GetLastError
VirtualAlloc
FindClose
LockResource
CreatePipe
GetModuleFileNameA
GetVersionExA
WinExec
CloseHandle
GetCurrentProcessId
GetTempPathA
GetCurrentProcess
LoadResource
PeekNamedPipe
SetFilePointer
SetPriorityClass
FindResourceA
GetFileSize
CreateFileA
GetComputerNameA
SetThreadPriority
ExitProcess
GetProcessHeap
SetEndOfFile
GetStringTypeW
GetStringTypeA
GetModuleHandleW
GetProcAddress
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
GetCommandLineA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetStdHandle
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
LoadLibraryA
InitializeCriticalSectionAndSpinCount
HeapCreate
HeapReAlloc
RtlUnwind
GetConsoleCP
GetConsoleMode
SetHandleCount
GetFileType
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapSize
GetLocaleInfoA
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
FlushFileBuffers
LCMapStringA
LCMapStringW

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: 55KB - Virtual size: 54KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10KB - Virtual size: 9KB

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: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rdata
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4511896d043677e4ab4578dc5bcab5a0

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

3a:05:62:09:87:db:ea:47:c6:39:7d:bb:a9:a3:65:18:b0:3f:6a:da:f9:6c:4b:b9:19:71:90:bd:8d:ed:ae:0fSigner

Signature Validations

Verification

14-10-2022 21:46 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

wininet

Sections

.text Size: 55KB - Virtual size: 54KB

.rdata Size: 10KB - Virtual size: 9KB

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

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

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

.rdata Size: 23KB - Virtual size: 23KB

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

3a:05:62:09:87:db:ea:47:c6:39:7d:bb:a9:a3:65:18:b0:3f:6a:da:f9:6c:4b:b9:19:71:90:bd:8d:ed:ae:0f
Signer

14-10-2022 21:46
Valid: false

.text
Size: 55KB - Virtual size: 54KB

.rdata
Size: 10KB - Virtual size: 9KB

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

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

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

.rdata
Size: 23KB - Virtual size: 23KB