sakula | AdobeUpdate[.]exe

Sharing

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General

Target

AdobeUpdate.exe
Size

101KB
MD5

c3dffc8c982b7af1b8e58c1f57dce052
SHA1

6d553e29b17c705e75e2b95f6216806fd9520a5f
SHA256

a5d25002ba7d08323ce4ede59de27c45edf7f0284b70f51f1128972cb6266e2c
SHA512

96ad8212baa95beb24cd440956a3b305db54a7079059fb6021397f8616b113fe7e9ba6197a10f59f71654b253cd85ec70e27961e092f713596827aa38ff87344
SSDEEP

1536:9JbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrGPTEzE:/bfVk29te2jqxCEtg30BibEw

Score

10^/10

sakula

Malware Config

Signatures

Sakula family
sakula

Sakula payload 1 IoCs

resource	yara_rule
sample	family_sakula

Files

AdobeUpdate.exe
.exe windows x86

3756947b3e7059e30bd77d705a3cb609

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

be:f9:0a:24:68:7a:2a:5a:ef:6a:0e:c6:57:26:94:98:bc:73:a2:da:ce:7c:20:44:9c:c5:27:78:47:3e:5d:98
Signer

Actual PE Digest

be:f9:0a:24:68:7a:2a:5a:ef:6a:0e:c6:57:26:94:98:bc:73:a2:da:ce:7c:20:44:9c:c5:27:78:47:3e:5d:98

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

03/10/2022, 12:43
Valid: false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

CloseHandle
WriteFile
SetFilePointer
CreateFileA
VirtualFree
ReadFile
VirtualAlloc
GetFileSize
PeekNamedPipe
CreateProcessA
GetStartupInfoA
CreatePipe
GetCurrentProcessId
TerminateProcess
WinExec
FindClose
FindFirstFileA
GetSystemDirectoryA
ExitProcess
SetThreadPriority
GetCurrentThread
SetPriorityClass
GetCurrentProcess
SizeofResource
LockResource
LoadResource
FindResourceA
CreateDirectoryA
ExpandEnvironmentStringsA
GetTempPathA
Sleep
GetTickCount
WideCharToMultiByte
MultiByteToWideChar
GetComputerNameA
GetLastError
GetModuleFileNameA
GetVolumeInformationA
OpenProcess
GetVersionExA
GetStringTypeW
GetStringTypeA
LCMapStringW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
GetProcAddress
GetModuleHandleA
GetCommandLineA
GetProcessHeap
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
DeleteCriticalSection
HeapReAlloc
HeapDestroy
HeapCreate
GetStdHandle
SetHandleCount
GetFileType
GetConsoleCP
GetConsoleMode
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
LoadLibraryA
InitializeCriticalSection
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
SetStdHandle
FlushFileBuffers
GetCPInfo
GetACP
GetOEMCP
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
HeapSize
GetLocaleInfoA
SetEndOfFile
LCMapStringA

advapi32

GetUserNameA
RegOpenKeyA
RegDeleteKeyA
RegCloseKey
OpenProcessToken
AllocateAndInitializeSid
GetTokenInformation
EqualSid
FreeSid
RegSetValueExA

shell32

SHChangeNotify
ord680
ShellExecuteA

wininet

HttpOpenRequestA
InternetOpenA
InternetConnectA
InternetReadFile
InternetOpenUrlA
InternetCloseHandle
HttpSendRequestA

Sections

.text
Size: 56KB - Virtual size: 53KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 12KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3756947b3e7059e30bd77d705a3cb609

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

be:f9:0a:24:68:7a:2a:5a:ef:6a:0e:c6:57:26:94:98:bc:73:a2:da:ce:7c:20:44:9c:c5:27:78:47:3e:5d:98Signer

Signature Validations

Verification

03/10/2022, 12:43 Valid: false

Headers

File Characteristics

Imports

kernel32

advapi32

shell32

wininet

Sections

.text Size: 56KB - Virtual size: 53KB

.rdata Size: 12KB - Virtual size: 9KB

.data Size: 8KB - Virtual size: 14KB

.rsrc Size: 12KB - Virtual size: 10KB

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

be:f9:0a:24:68:7a:2a:5a:ef:6a:0e:c6:57:26:94:98:bc:73:a2:da:ce:7c:20:44:9c:c5:27:78:47:3e:5d:98
Signer

03/10/2022, 12:43
Valid: false

.text
Size: 56KB - Virtual size: 53KB

.rdata
Size: 12KB - Virtual size: 9KB

.data
Size: 8KB - Virtual size: 14KB

.rsrc
Size: 12KB - Virtual size: 10KB