Kas[.]exe | Triage

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General

Target

Kas.exe
Size

4.2MB
MD5

f9b04423686f788a85a98768e2ed210e
SHA1

f5a2249af0bb8b1cd8d56bedb31a76854be5a5a0
SHA256

2ec05f3ea867f9d4c21d0ee2c76f33633ab2155d4fc9d19af8556289e76c5254
SHA512

21455a85a9638d037ccdf6d60a8bc91abbd0fe92a25d074e2d4c53dd6aedeb29aa712dd2a2f9fcbe412362c54ae9671f8e72f55ea50014fa420a99af1e62369a
SSDEEP

98304:Ipq/d8kCBIlMyQjujDW9tBcg2jGqwwAXSY+139YOtYsnYT50kB3tiX9k:pc35ujyp8jGqwwCq3t/2Ntm9k

Score

1^/10

Malware Config

Signatures

Files

Kas.exe
.exe windows:6 windows x86 arch:x86

73a99421c03d3f56333f368b6d96c755

Code Sign

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

18/03/2020, 00:00

Not After

18/03/2045, 00:00

Subject

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

5d:1e:c0:f8:e2:12:27:61:97:77:36:c9
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

14/09/2023, 09:53

Not After

08/09/2026, 08:16

Subject

SERIALNUMBER=1027739867473,CN=AO Kaspersky Lab,O=AO Kaspersky Lab,STREET=sh Leningradskoye\, 39A / str 2,L=Moscow,ST=Moscow,C=RU,1.3.6.1.4.1.311.60.2.1.2=#13064d6f73636f77,1.3.6.1.4.1.311.60.2.1.3=#13025255,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

eb:a0:17:97:45:4c:e6:3a:5c:e4:da:07:4a:2e:1b:bc:34:85:1a:74:84:2f:d3:8a:a0:f7:8e:b8:92:1d:80:3b
Signer

Actual PE Digest

eb:a0:17:97:45:4c:e6:3a:5c:e4:da:07:4a:2e:1b:bc:34:85:1a:74:84:2f:d3:8a:a0:f7:8e:b8:92:1d:80:3b

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\a\b\d_00000000_\b\out\Win32\Release\starter.pdb

Imports

kernel32

EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
CreateEventW
SetEvent
CloseHandle
ResetEvent
DeleteCriticalSection
LocalAlloc
OpenProcess
DeleteFileW
RemoveDirectoryW
GetModuleFileNameW
GetLastError
CreateDirectoryW
CompareStringW
GetTempPathW
ExpandEnvironmentStringsW
CreateProcessW
CreateFileW
GetSystemWindowsDirectoryW
GetExitCodeProcess
GetCurrentProcessId
ReadFile
FormatMessageW
GetModuleHandleW
GetFileAttributesW
SetCurrentDirectoryW
LoadLibraryExW
GetProcAddress
FreeLibrary
LocalFree
HeapFree
GetProcessHeap
MultiByteToWideChar
GetSystemDirectoryW
GetSystemWow64DirectoryW
GetModuleHandleA
GetCurrentProcess
GetCurrentDirectoryW
MoveFileW
HeapAlloc
GetLocalTime
Sleep
GetCurrentThreadId
SetUnhandledExceptionFilter
SetEnvironmentVariableW
GetWindowsDirectoryW
GetLongPathNameW
LoadLibraryW
SetDllDirectoryW
SetLastError
TlsSetValue
VirtualProtect
VirtualAlloc
TlsAlloc
GetSystemInfo
FlushInstructionCache
TlsGetValue
TlsFree
GetTickCount
VirtualQuery
RaiseException
LoadLibraryExA
FindResourceExW
LoadResource
LockResource
SizeofResource
WriteFile
GetModuleFileNameA
GetModuleHandleExA
SetFilePointer
FindNextFileW
FindClose
MoveFileExW
GetTempFileNameW
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
InitializeCriticalSectionEx
TryEnterCriticalSection
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
FormatMessageA
FindFirstFileExW
GetFileAttributesExW
GetFileInformationByHandle
SetFileInformationByHandle
SetFilePointerEx
AreFileApisANSI
CopyFileW
GetFileInformationByHandleEx
WideCharToMultiByte
GetStringTypeW
QueryPerformanceCounter
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
LCMapStringEx
GetCPInfo
UnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
RtlUnwind
InitializeCriticalSectionAndSpinCount
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetStdHandle
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
HeapReAlloc
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
HeapSize
WriteConsoleW

Sections

.text
Size: 237KB - Virtual size: 237KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 75KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didat
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

73a99421c03d3f56333f368b6d96c755

Code Sign

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8Certificate

Key Usages

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

5d:1e:c0:f8:e2:12:27:61:97:77:36:c9Certificate

Extended Key Usages

Key Usages

eb:a0:17:97:45:4c:e6:3a:5c:e4:da:07:4a:2e:1b:bc:34:85:1a:74:84:2f:d3:8a:a0:f7:8e:b8:92:1d:80:3bSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.text Size: 237KB - Virtual size: 237KB

.rdata Size: 75KB - Virtual size: 74KB

.data Size: 5KB - Virtual size: 19KB

.didat Size: 512B - Virtual size: 48B

.rsrc Size: 3.9MB - Virtual size: 3.9MB

.reloc Size: 12KB - Virtual size: 11KB

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8
Certificate

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

5d:1e:c0:f8:e2:12:27:61:97:77:36:c9
Certificate

eb:a0:17:97:45:4c:e6:3a:5c:e4:da:07:4a:2e:1b:bc:34:85:1a:74:84:2f:d3:8a:a0:f7:8e:b8:92:1d:80:3b
Signer

.text
Size: 237KB - Virtual size: 237KB

.rdata
Size: 75KB - Virtual size: 74KB

.data
Size: 5KB - Virtual size: 19KB

.didat
Size: 512B - Virtual size: 48B

.rsrc
Size: 3.9MB - Virtual size: 3.9MB

.reloc
Size: 12KB - Virtual size: 11KB