sakula | 4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769

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General

Target

4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769
Size

88KB
MD5

95798d3fa38084bc973dc4ea09c06455
SHA1

e820f73f713eb38d853b5b2da3a9c153c36750a5
SHA256

4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769
SHA512

78c378db1aaeb8b80ac54462f9e3b1f660e70c7cd587f04ff7c1ab5378f413bf1268674524931dcad55ebd32405621cc8f0a69a3480bbbdaf54d977c20634258
SSDEEP

1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroyPTEz7:y0hpgz6xGhTjwHN30BEybE3

Score

10^/10

sakula

Malware Config

Signatures

Sakula family
sakula

Sakula payload 1 IoCs

resource	yara_rule
sample	family_sakula

Files

4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769
.exe windows x86

539502771da573641ecc7f6497e39f8f

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

6b:05:ad:9c:fe:a1:aa:42:56:9d:a2:d0:cd:8a:c8:95:0b:20:69:6b:3f:8d:6b:97:4c:a7:c7:8d:9c:2b:99:13
Signer

Actual PE Digest

6b:05:ad:9c:fe:a1:aa:42:56:9d:a2:d0:cd:8a:c8:95:0b:20:69:6b:3f:8d:6b:97:4c:a7:c7:8d:9c:2b:99:13

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

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

06/10/2022, 18:35
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

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

6b:05:ad:9c:fe:a1:aa:42:56:9d:a2:d0:cd:8a:c8:95:0b:20:69:6b:3f:8d:6b:97:4c:a7:c7:8d:9c:2b:99:13Signer

Signature Validations

Verification

06/10/2022, 18:35 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

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

6b:05:ad:9c:fe:a1:aa:42:56:9d:a2:d0:cd:8a:c8:95:0b:20:69:6b:3f:8d:6b:97:4c:a7:c7:8d:9c:2b:99:13
Signer

06/10/2022, 18:35
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