PsExec[.]exe | Triage

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General

Target

PsExec.exe
Size

815KB
MD5

c590a84b8c72cf18f35ae166f815c9df
SHA1

b97761358338e640a31eef5e5c5773b633890914
SHA256

57492d33b7c0755bb411b22d2dfdfdf088cbbfcd010e30dd8d425d5fe66adff4
SHA512

dc657393b96477d6dd51ec87a5adce53d6897ad9cd40c2a4e324284fb71c7b858e4e83ff61ae9c0e60e8c333875481dfb08f73a7121e36e997bac4da54250018
SSDEEP

12288:RkNmqjrUz5KzNeXAUEcgX8DsWTbiMktn/TtYsEzWd0ShE+SrOQRUvjbxks4:RkxeDgMDsWTbijtLhE+SrRRUvjbxA

Score

1^/10

Malware Config

Signatures

Files

PsExec.exe
.exe windows:5 windows x86 arch:x86

3a7027a9d54e3a7c74fb919ca7b1c544

Code Sign

33:00:00:01:df:6b:f0:2e:92:a7:4a:b4:d0:00:00:00:00:01:df
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/12/2020, 21:31

Not After

02/12/2021, 21:31

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

cd:f6:88:ea:1e:33:0e:b7:12:2d:47:36:93:e3:c7:ef:9b:57:cc:61:86:c7:4d:0b:b0:93:e9:d7:1c:e4:fe:07
Signer

Actual PE Digest

cd:f6:88:ea:1e:33:0e:b7:12:2d:47:36:93:e3:c7:ef:9b:57:cc:61:86:c7:4d:0b:b0:93:e9:d7:1c:e4:fe:07

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

Imports

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

netapi32

NetServerEnum
NetApiBufferFree

ws2_32

gethostname
WSAStartup
inet_ntoa
gethostbyname

mpr

WNetCancelConnection2W
WNetAddConnection2W

kernel32

ResumeThread
WaitForMultipleObjects
GetFileTime
DuplicateHandle
DisconnectNamedPipe
SetNamedPipeHandleState
TransactNamedPipe
CreateEventW
GetExitCodeProcess
SetProcessAffinityMask
SetFileAttributesW
GetFileAttributesW
CopyFileW
WaitNamedPipeW
SetConsoleCtrlHandler
SetConsoleTitleW
ReadConsoleW
FindNextFileA
GetEnvironmentVariableW
GetCurrentProcessId
GetVersion
GetCurrentThread
ReadFile
GetConsoleScreenBufferInfo
MultiByteToWideChar
VerifyVersionInfoW
GetComputerNameW
DeleteFileW
CreateFileW
GetSystemDirectoryW
FindResourceW
ConnectNamedPipe
FormatMessageA
GetTickCount
CloseHandle
WriteFile
SizeofResource
LoadResource
Sleep
WaitForSingleObject
SetEvent
GetLastError
GetCurrentProcess
FreeLibrary
LockResource
VerSetConditionMask
SetPriorityClass
DecodePointer
GetModuleFileNameW
GetCommandLineW
GetModuleHandleW
GetStdHandle
GetFileType
LocalFree
LocalAlloc
GetProcAddress
GetVersionExW
LoadLibraryExW
SetLastError
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
GetProcessHeap
WriteConsoleW
SetFilePointerEx
HeapSize
HeapReAlloc
SetEndOfFile
GetFullPathNameW
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
InterlockedPushEntrySList
InterlockedFlushSList
RtlUnwind
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
ExitProcess
GetModuleHandleExW
GetConsoleMode
GetNumberOfConsoleInputEvents
PeekConsoleInputA
ReadConsoleInputA
SetConsoleMode
SetStdHandle
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStringTypeW
GetModuleFileNameA
WideCharToMultiByte
GetCommandLineA
GetACP
HeapFree
HeapAlloc
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
OutputDebugStringA
OutputDebugStringW
WaitForSingleObjectEx
FindClose
FindFirstFileExA
FindFirstFileExW

comdlg32

PrintDlgW

advapi32

AdjustTokenPrivileges
CreateProcessAsUserW
OpenThreadToken
ImpersonateNamedPipeClient
CryptHashData
CryptCreateHash
CryptDecrypt
CryptEncrypt
CryptImportKey
CryptExportKey
CryptDestroyKey
CryptDeriveKey
CryptGenKey
CryptReleaseContext
CryptAcquireContextW
StartServiceW
QueryServiceStatus
OpenServiceW
OpenSCManagerW
DeleteService
CreateServiceW
ControlService
CloseServiceHandle
RegConnectRegistryW
ImpersonateLoggedOnUser
LogonUserW
OpenProcessToken
RevertToSelf
LsaEnumerateAccountRights
LsaOpenPolicy
LsaClose
LsaFreeMemory
SetSecurityInfo
GetSecurityInfo
SetEntriesInAclW
LookupPrivilegeValueW
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
AddAccessAllowedAce
GetAce
AddAce
InitializeAcl
GetLengthSid
FreeSid
AllocateAndInitializeSid
SetTokenInformation
GetTokenInformation
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegOpenKeyW
RegCreateKeyW
RegCloseKey

Sections

.text
Size: 333KB - Virtual size: 333KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 76KB - Virtual size: 76KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 178KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 376KB - Virtual size: 376KB

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

3a7027a9d54e3a7c74fb919ca7b1c544

Code Sign

33:00:00:01:df:6b:f0:2e:92:a7:4a:b4:d0:00:00:00:00:01:dfCertificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

cd:f6:88:ea:1e:33:0e:b7:12:2d:47:36:93:e3:c7:ef:9b:57:cc:61:86:c7:4d:0b:b0:93:e9:d7:1c:e4:fe:07Signer

Headers

DLL Characteristics

File Characteristics

Imports

version

netapi32

ws2_32

mpr

kernel32

comdlg32

advapi32

Sections

.text Size: 333KB - Virtual size: 333KB

.rdata Size: 76KB - Virtual size: 76KB

.data Size: 7KB - Virtual size: 178KB

.rsrc Size: 376KB - Virtual size: 376KB

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

33:00:00:01:df:6b:f0:2e:92:a7:4a:b4:d0:00:00:00:00:01:df
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

cd:f6:88:ea:1e:33:0e:b7:12:2d:47:36:93:e3:c7:ef:9b:57:cc:61:86:c7:4d:0b:b0:93:e9:d7:1c:e4:fe:07
Signer

.text
Size: 333KB - Virtual size: 333KB

.rdata
Size: 76KB - Virtual size: 76KB

.data
Size: 7KB - Virtual size: 178KB

.rsrc
Size: 376KB - Virtual size: 376KB

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