ZyskoFlasher[.]exe

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General

Target

ZyskoFlasher.exe
Size

996KB
MD5

8f96710ba687d9965adfb07d568a32c9
SHA1

08cbc2512343181a5fb84aa584f7c486467b01a9
SHA256

5fe2181558b43cfc30eab69257c27c02af9b1ce44583847cb821eaf2b38da69a
SHA512

cc579f5799a0f15ad0c32ae75a9fc6950ad425becbcd2c3e6e8db42604ad066f30d44b43e43e4722a86368e18fe5cf131d080765edc5de62b659e794540528c5
SSDEEP

12288:VR4iEp29TvYnr9KIV9CJ8I/Ec3AqKhrHnLtvg1lkQnjOlPmsWK:c29byKC9CJ8I/ESKhvtS5KlPmsh

Score

1^/10

Malware Config

Signatures

Files

ZyskoFlasher.exe
.exe windows:6 windows x86 arch:x86

8d709aeee3e491086384fac0ccbd24db

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0f:ab:67:0a:61:bf:4b:7d:af:d5:59:35:6b:5b:cc:ff
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

04/10/2023, 00:00

Not After

03/10/2024, 23:59

Subject

SERIALNUMBER=556703-7485,CN=Spotify AB,O=Spotify AB,L=Stockholm,C=SE,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025345

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

3e:a7:9d:1d:1b:76:5a:a8:43:07:ea:34:7f:c3:06:16:2b:fa:5e:11:06:57:64:99:29:54:7f:32:e6:a6:03:bd
Signer

Actual PE Digest

3e:a7:9d:1d:1b:76:5a:a8:43:07:ea:34:7f:c3:06:16:2b:fa:5e:11:06:57:64:99:29:54:7f:32:e6:a6:03:bd

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\src\desktop\shell\build\desktop\Installer\_win32\installer_stub\Release\installer_stub.pdb

Imports

comctl32

InitCommonControlsEx

shell32

SHGetFolderPathW
ShellExecuteW
SHChangeNotify

kernel32

Sleep
GetCurrentProcess
GetExitCodeProcess
CreateProcessW
GetLocalTime
LoadLibraryExA
VerifyVersionInfoW
CompareStringW
MultiByteToWideChar
WideCharToMultiByte
SetEvent
CreateEventW
CreateThread
GetTickCount
GetModuleHandleW
GetLocaleInfoEx
MapViewOfFile
UnmapViewOfFile
OpenMutexA
CreateFileMappingA
OpenFileMappingA
LocalFree
GetProcAddress
LoadLibraryW
TerminateProcess
OpenProcess
GetModuleFileNameW
CreateDirectoryW
DeleteFileW
GetFileAttributesW
MoveFileExW
GetCurrentProcessId
DeleteCriticalSection
ResetEvent
CreateFileA
GetFileSize
SetEndOfFile
SetFilePointer
SetLastError
GetSystemInfo
MapViewOfFileEx
GetModuleHandleA
FormatMessageA
FormatMessageW
OpenMutexW
AreFileApisANSI
FlushFileBuffers
GetFileAttributesExW
SetFilePointerEx
DeviceIoControl
GetCurrentThreadId
GetStdHandle
GetConsoleMode
WriteConsoleA
GetConsoleScreenBufferInfo
SetConsoleTextAttribute
HeapFree
ExitProcess
GetModuleHandleExW
VirtualQuery
VirtualProtect
WriteConsoleW
HeapSize
GetProcessHeap
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
GetTimeZoneInformation
HeapReAlloc
ReadConsoleW
GetFileSizeEx
ReadFile
GetConsoleOutputCP
EnumSystemLocalesW
GetUserDefaultLCID
CreateMutexW
WaitForSingleObject
GetFileInformationByHandle
IsValidLocale
GetLocaleInfoW
LCMapStringW
EnterCriticalSection
InitializeCriticalSection
GetLastError
CloseHandle
WriteFile
CreateFileW
VerSetConditionMask
GetTimeFormatW
GetDateFormatW
GetFileType
LeaveCriticalSection
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
SetFileInformationByHandle
CopyFileW
GetFileInformationByHandleEx
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
InitializeSRWLock
InitOnceBeginInitialize
InitOnceComplete
QueryPerformanceCounter
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
GetSystemTimeAsFileTime
GetStringTypeW
CompareStringEx
GetCPInfo
InitializeCriticalSectionAndSpinCount
WaitForSingleObjectEx
IsProcessorFeaturePresent
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
RaiseException
RtlUnwind
InterlockedPushEntrySList
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
HeapAlloc

user32

wsprintfA
GetMessageW
TranslateMessage
ReleaseDC
GetDC
GetSystemMetrics
GetWindowThreadProcessId
SendMessageTimeoutA
FindWindowA
LoadIconW
LoadCursorW
SetWindowLongW
AdjustWindowRect
MessageBoxW
GetWindowLongW
SetTimer
GetActiveWindow
SetDlgItemTextW
GetDlgItem
ShowWindow
CreateWindowExW
RegisterClassExW
DefWindowProcW
PostMessageW
SendMessageW
DispatchMessageW

gdi32

GetStockObject
GetDeviceCaps

ole32

CoCreateInstance
CoInitializeEx

advapi32

GetTokenInformation
RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
RegCreateKeyExW
OpenProcessToken

oleaut32

SysAllocString
SysFreeString
SysStringLen
GetErrorInfo
SetErrorInfo

Sections

.text
Size: 423KB - Virtual size: 422KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 466KB - Virtual size: 466KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 51KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8d709aeee3e491086384fac0ccbd24db

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0f:ab:67:0a:61:bf:4b:7d:af:d5:59:35:6b:5b:cc:ffCertificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

3e:a7:9d:1d:1b:76:5a:a8:43:07:ea:34:7f:c3:06:16:2b:fa:5e:11:06:57:64:99:29:54:7f:32:e6:a6:03:bdSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

comctl32

shell32

kernel32

user32

gdi32

ole32

advapi32

oleaut32

Sections

.text Size: 423KB - Virtual size: 422KB

.rdata Size: 466KB - Virtual size: 466KB

.data Size: 24KB - Virtual size: 29KB

.rsrc Size: 51KB - Virtual size: 50KB

.reloc Size: 20KB - Virtual size: 19KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0f:ab:67:0a:61:bf:4b:7d:af:d5:59:35:6b:5b:cc:ff
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

3e:a7:9d:1d:1b:76:5a:a8:43:07:ea:34:7f:c3:06:16:2b:fa:5e:11:06:57:64:99:29:54:7f:32:e6:a6:03:bd
Signer

.text
Size: 423KB - Virtual size: 422KB

.rdata
Size: 466KB - Virtual size: 466KB

.data
Size: 24KB - Virtual size: 29KB

.rsrc
Size: 51KB - Virtual size: 50KB

.reloc
Size: 20KB - Virtual size: 19KB