Lark-win32_ia32-7[.]21[.]9-signed[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

Lark-win32_ia32-7.21.9-signed.exe
Size

272.7MB
MD5

82a28fbea8b68fd39d45fcee089f0dfb
SHA1

fd59f2ee570514b7eb94eda3f46ca394683377ce
SHA256

0770851fae800c08d1ba0fde0df88663cd4c3f8b4d5f625d38cc49892f9eea68
SHA512

2c93d35b3ad19a2d2b03bd0b60c59c3118bcc8b16bf184a4432321267a1691ec0072c71e7964730eee345efa0a1c8020a7203804e544707e1d4119d61e4bdcae
SSDEEP

6291456:4Gc8jw1mnLxS8b8iOAxRYDtFs7awwWA/JhQbC2zCCSWDqZ:BtsQnNS8Ynfs7VzrSWDqZ

Score

1^/10

Malware Config

Signatures

Files

Lark-win32_ia32-7.21.9-signed.exe
.exe windows:6 windows x86 arch:x86

faf5986bf7124f5214015fdba43c2f55

Code Sign

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

Issuer

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

Not Before

01/08/2013, 12:00

Not After

15/01/2038, 12:00

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

0b:4f:98:41:a0:53:6b:48:2f:ea:eb:16:ae:95:94:7c
Certificate

Issuer

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

Not Before

31/01/2023, 00:00

Not After

31/01/2026, 23:59

Subject

SERIALNUMBER=201839742H,CN=Lark Technologies Pte. Ltd.,O=Lark Technologies Pte. Ltd.,L=Singapore,C=SG,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025347

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

31:27:62:61:0b:ff:78:2b:44:9e:6f:41:85:dc:82:be:05:44:65:df:cf:fc:8a:af:e2:41:95:58:4b:84:19:f3
Signer

Actual PE Digest

31:27:62:61:0b:ff:78:2b:44:9e:6f:41:85:dc:82:be:05:44:65:df:cf:fc:8a:af:e2:41:95:58:4b:84:19:f3

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_32BIT_MACHINE

PDB Paths

D:\ws\image_pkh_avsnl_lkvqa\6524\desktop\common\temp\node_modules\.pnpm\@lark+[email protected]\node_modules\@lark\apollo-setup\Windows\Packet\Build\UnicodeRelease\LarkInstaller\LarkInstaller.pdb

Imports

kernel32

CreateMutexW
MoveFileExW
MoveFileW
TerminateThread
GetCurrentProcessId
Sleep
WaitForSingleObject
TerminateProcess
InitializeCriticalSectionEx
RaiseException
CloseHandle
DecodePointer
SetFilePointer
RemoveDirectoryW
ReadFile
GetFileSize
LoadLibraryExA
VirtualQuery
GetSystemInfo
DeleteCriticalSection
DeleteFileW
CreateFileW
CreateDirectoryW
CopyFileW
GetModuleHandleW
WriteConsoleW
HeapSize
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindFirstFileExW
SetConsoleCtrlHandler
FlushFileBuffers
HeapReAlloc
SetFilePointerEx
GetFileSizeEx
GetConsoleCP
ReadConsoleW
GetConsoleMode
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetCurrentProcess
CreateEventW
SetEvent
GetLastError
HeapFree
GetTimeZoneInformation
GetFileType
SetStdHandle
GetCommandLineW
GetCommandLineA
GetVersionExW
GetProcAddress
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
LoadLibraryW
CompareFileTime
SetEndOfFile
SetFileTime
WriteFile
SetLastError
SetCurrentDirectoryW
GetCurrentDirectoryW
SetFileAttributesW
GetTempPathW
GetCurrentThreadId
GetTickCount
GetSystemDirectoryW
GetWindowsDirectoryW
FindClose
FindCloseChangeNotification
FindFirstChangeNotificationW
FindFirstFileW
FindNextFileW
GetFileAttributesW
GetFileInformationByHandle
GetLogicalDriveStringsW
GetModuleHandleA
GetStdHandle
GetACP
OpenProcess
MulDiv
GlobalUnlock
GlobalLock
lstrlenW
ExitProcess
LocalFileTimeToFileTime
SystemTimeToFileTime
LocalFree
FormatMessageW
InitializeCriticalSectionAndSpinCount
FreeResource
LoadResource
LockResource
SizeofResource
FindResourceW
CreateFileA
GlobalAlloc
GlobalFree
GetLocalTime
lstrcpynW
lstrcmpiW
lstrcpyW
VerSetConditionMask
GetEnvironmentVariableW
GetDiskFreeSpaceExW
GetFinalPathNameByHandleW
QueryDosDeviceW
VerifyVersionInfoW
AllocConsole
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
K32EnumProcessModules
K32GetModuleFileNameExW
K32GetProcessImageFileNameW
WaitForMultipleObjects
GetExitCodeProcess
SetDllDirectoryW
GetUserDefaultUILanguage
HeapAlloc
GetProcessHeap
DuplicateHandle
WaitForSingleObjectEx
SwitchToThread
GetCurrentThread
GetExitCodeThread
GetNativeSystemInfo
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
QueryPerformanceCounter
QueryPerformanceFrequency
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
EncodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
ResetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
CreateTimerQueue
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibraryAndExitThread
VirtualAlloc
VirtualProtect
VirtualFree
SetProcessAffinityMask
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
WaitForMultipleObjectsEx
RtlUnwind
ExitThread
ResumeThread
GetModuleHandleExW
RtlCaptureStackBackTrace

user32

MonitorFromWindow
RegisterWindowMessageW
GetMessageW
TranslateMessage
DispatchMessageW
PostMessageW
CreateWindowExW
IsWindow
DestroyWindow
SetWindowPos
IsWindowVisible
IsIconic
IsZoomed
CharNextW
SetFocus
GetActiveWindow
GetFocus
GetKeyState
SetCapture
ReleaseCapture
SetTimer
KillTimer
BeginPaint
EndPaint
GetUpdateRect
InvalidateRect
GetClientRect
GetCursorPos
ScreenToClient
MapWindowPoints
GetSysColor
IntersectRect
IsRectEmpty
PtInRect
GetWindowLongW
MonitorFromPoint
GetParent
GetWindow
LoadImageW
GetMonitorInfoW
wsprintfW
DefWindowProcW
CallWindowProcW
RegisterClassW
RegisterClassExW
ReleaseDC
ShowWindow
EnableWindow
GetSystemMetrics
GetMenu
SetPropW
GetPropW
AdjustWindowRectEx
MoveWindow
SetWindowRgn
MessageBoxW
UpdateLayeredWindow
GetWindowRgn
CharPrevW
DrawTextW
FillRect
SetRect
CreatePopupMenu
DestroyMenu
EnableMenuItem
AppendMenuW
TrackPopupMenu
CreateCaret
GetCaretBlinkTime
HideCaret
ShowCaret
SetCaretPos
GetCaretPos
ClientToScreen
IsWindowEnabled
UpdateWindow
EqualRect
GetWindowTextW
GetWindowTextLengthW
wsprintfA
DrawTextA
CreateAcceleratorTableW
InvalidateRgn
GetGUIThreadInfo
GetKeyboardLayout
GetKeyNameTextW
MapVirtualKeyExW
GetShellWindow
GetWindowThreadProcessId
PostQuitMessage
EnumChildWindows
EnumWindows
GetDC
LoadCursorW
OffsetRect
UnionRect
InflateRect
SetCursor
SetForegroundWindow
SetWindowTextW
GetWindowRect
CharUpperW
GetClassInfoExW
SendMessageW
UnregisterClassW
SetWindowLongW

advapi32

RegQueryInfoKeyW
RegSetValueExW
GetTokenInformation
FreeSid
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueW
AllocateAndInitializeSid
CheckTokenMembership
DuplicateTokenEx
EqualSid
RegCloseKey
GetUserNameW
RegOpenKeyExW
RegLoadKeyW
RegEnumKeyExW

shell32

SHGetPathFromIDListW
SHBrowseForFolderW
SHChangeNotify
SHGetSpecialFolderPathW
SHGetSpecialFolderLocation
SHCreateDirectoryExW
ShellExecuteW
DragQueryFileW

comctl32

_TrackMouseEvent
InitCommonControlsEx
ord17

gdiplus

GdipSetTextRenderingHint
GdipSetSmoothingMode
GdipDeleteGraphics
GdipCreateFromHDC
GdipDisposeImage
GdipCloneImage
GdipLoadImageFromStreamICM
GdipLoadImageFromStream
GdipSetPenMode
GdipDeletePen
GdipCreatePen1
GdipCreateSolidFill
GdipDeleteBrush
GdipCloneBrush
GdipSetInterpolationMode
GdipAddPathLine
GdipDeletePath
GdipCreatePath
GdipFree
GdipAlloc
GdiplusShutdown
GdiplusStartup
GdipImageGetFrameDimensionsList
GdipImageGetFrameCount
GdipImageSelectActiveFrame
GdipGetPropertyItemSize
GdipGetPropertyItem
GdipDrawRectangleI
GdipDrawImageRectI
GdipTranslateWorldTransform
GdipRotateWorldTransform
GdipDrawPath
GdipFillRectangleI
GdipFillPath
GdipCreateFontFromDC
GdipCreateFontFromLogfontA
GdipDeleteFont
GdipDrawString
GdipMeasureString
GdipStringFormatGetGenericTypographic
GdipDeleteStringFormat
GdipCloneStringFormat
GdipSetStringFormatFlags
GdipSetStringFormatAlign
GdipSetStringFormatLineAlign
GdipSetStringFormatTrimming
GdipGetImageWidth
GdipGetImageHeight
GdipAddPathArc
GdipImageGetFrameDimensionsCount

imm32

ImmReleaseContext
ImmGetContext
ImmSetCompositionWindow

shlwapi

SHGetValueW
SHDeleteValueW
SHDeleteKeyW
PathFindFileNameW
PathIsNetworkPathW
PathIsRelativeW
PathFileExistsW
StrStrIW
PathIsDirectoryW
StrChrW
PathFindExtensionW
SHSetValueW

ws2_32

gethostbyname
gethostname
WSAStartup

wintrust

WinVerifyTrust
WTHelperProvDataFromStateData
CryptCATAdminAcquireContext
CryptCATAdminReleaseContext
CryptCATAdminReleaseCatalogContext
CryptCATAdminEnumCatalogFromHash
CryptCATAdminCalcHashFromFileHandle
CryptCATCatalogInfoFromContext

crypt32

CryptStringToBinaryA
CryptDecodeObjectEx
CertGetNameStringW

bcrypt

BCryptEncrypt
BCryptCloseAlgorithmProvider
BCryptDestroyKey
BCryptOpenAlgorithmProvider
BCryptImportKeyPair

gdi32

GetTextMetricsW
SetWindowOrgEx
CreateRoundRectRgn
CreateRectRgn
PlayEnhMetaFile
GetEnhMetaFileHeader
CreateEnhMetaFileW
CloseEnhMetaFile
SelectObject
SaveDC
RestoreDC
Rectangle
RemoveFontMemResourceEx
AddFontMemResourceEx
GetStockObject
DeleteObject
DeleteDC
CreatePen
CreateFontIndirectW
CreateDIBitmap
CreateCompatibleDC
PtInRegion
CreateCompatibleBitmap
BitBlt
GetDeviceCaps
GetObjectW
SetBitmapBits
GetBitmapBits
GetTextExtentPointA
CreatePatternBrush
EnumFontFamiliesExW
GdiFlush
TextOutW
MoveToEx
GetObjectA
SetTextColor
SetStretchBltMode
StretchBlt
SetBkMode
SetBkColor
SelectPalette
ExtSelectClipRgn
SelectClipRgn
RealizePalette
LineTo
GetTextExtentPoint32W
GetDIBits
GetCurrentObject
GetClipBox
GetCharABCWidthsW
CreateSolidBrush
CreateRectRgnIndirect
CreatePenIndirect
CreateDCA
CombineRgn
CreateDIBSection

ole32

CoInitialize
CoTaskMemFree
CoTaskMemAlloc
CoUninitialize
OleLockRunning
CLSIDFromProgID
CoInitializeSecurity
CreateStreamOnHGlobal
ReleaseStgMedium
OleDuplicateData
DoDragDrop
RegisterDragDrop
CoCreateInstance
CLSIDFromString

oleaut32

SysAllocString
SysStringLen
SysAllocStringLen
CreateErrorInfo
SetErrorInfo
VariantChangeType
GetErrorInfo
VariantInit
SysFreeString
VariantCopy
VariantClear

Exports

Exports

_cJSON_AddArrayToObject@8
_cJSON_AddBoolToObject@12
_cJSON_AddFalseToObject@8
_cJSON_AddItemReferenceToArray@8
_cJSON_AddItemReferenceToObject@12
_cJSON_AddItemToArray@8
_cJSON_AddItemToObject@12
_cJSON_AddItemToObjectCS@12
_cJSON_AddNullToObject@8
_cJSON_AddNumberToObject@16
_cJSON_AddObjectToObject@8
_cJSON_AddRawToObject@12
_cJSON_AddStringToObject@12
_cJSON_AddTrueToObject@8
_cJSON_Compare@12
_cJSON_CreateArray@0
_cJSON_CreateArrayReference@4
_cJSON_CreateBool@4
_cJSON_CreateDoubleArray@8
_cJSON_CreateFalse@0
_cJSON_CreateFloatArray@8
_cJSON_CreateIntArray@8
_cJSON_CreateNull@0
_cJSON_CreateNumber@8
_cJSON_CreateObject@0
_cJSON_CreateObjectReference@4
_cJSON_CreateRaw@4
_cJSON_CreateString@4
_cJSON_CreateStringArray@8
_cJSON_CreateStringReference@4
_cJSON_CreateTrue@0
_cJSON_Delete@4
_cJSON_DeleteItemFromArray@8
_cJSON_DeleteItemFromObject@8
_cJSON_DeleteItemFromObjectCaseSensitive@8
_cJSON_DetachItemFromArray@8
_cJSON_DetachItemFromObject@8
_cJSON_DetachItemFromObjectCaseSensitive@8
_cJSON_DetachItemViaPointer@8
_cJSON_Duplicate@8
_cJSON_GetArrayItem@8
_cJSON_GetArraySize@4
_cJSON_GetErrorPtr@0
_cJSON_GetObjectItem@8
_cJSON_GetObjectItemCaseSensitive@8
_cJSON_GetStringValue@4
_cJSON_HasObjectItem@8
_cJSON_InitHooks@4
_cJSON_InsertItemInArray@12
_cJSON_IsArray@4
_cJSON_IsBool@4
_cJSON_IsFalse@4
_cJSON_IsInvalid@4
_cJSON_IsNull@4
_cJSON_IsNumber@4
_cJSON_IsObject@4
_cJSON_IsRaw@4
_cJSON_IsString@4
_cJSON_IsTrue@4
_cJSON_Minify@4
_cJSON_Parse@4
_cJSON_ParseWithOpts@12
_cJSON_Print@4
_cJSON_PrintBuffered@12
_cJSON_PrintPreallocated@16
_cJSON_PrintUnformatted@4
_cJSON_ReplaceItemInArray@12
_cJSON_ReplaceItemInObject@12
_cJSON_ReplaceItemInObjectCaseSensitive@12
_cJSON_ReplaceItemViaPointer@12
_cJSON_SetNumberHelper@12
_cJSON_Version@0
_cJSON_free@4
_cJSON_malloc@4

Sections

.text
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 339KB - Virtual size: 338KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 21KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 271.1MB - Virtual size: 271.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 69KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

faf5986bf7124f5214015fdba43c2f55

Code Sign

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5cCertificate

Key Usages

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

Extended Key Usages

Key Usages

0b:4f:98:41:a0:53:6b:48:2f:ea:eb:16:ae:95:94:7cCertificate

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

31:27:62:61:0b:ff:78:2b:44:9e:6f:41:85:dc:82:be:05:44:65:df:cf:fc:8a:af:e2:41:95:58:4b:84:19:f3Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

comctl32

gdiplus

imm32

shlwapi

ws2_32

wintrust

crypt32

bcrypt

gdi32

ole32

oleaut32

Exports

Exports

Sections

.text Size: 1.2MB - Virtual size: 1.2MB

.rdata Size: 339KB - Virtual size: 338KB

.data Size: 21KB - Virtual size: 30KB

.rsrc Size: 271.1MB - Virtual size: 271.1MB

.reloc Size: 69KB - Virtual size: 68KB

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

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

0b:4f:98:41:a0:53:6b:48:2f:ea:eb:16:ae:95:94:7c
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

31:27:62:61:0b:ff:78:2b:44:9e:6f:41:85:dc:82:be:05:44:65:df:cf:fc:8a:af:e2:41:95:58:4b:84:19:f3
Signer

.text
Size: 1.2MB - Virtual size: 1.2MB

.rdata
Size: 339KB - Virtual size: 338KB

.data
Size: 21KB - Virtual size: 30KB

.rsrc
Size: 271.1MB - Virtual size: 271.1MB

.reloc
Size: 69KB - Virtual size: 68KB