sefaz[.]exe | Triage

Sharing

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General

Target

sefaz.exe
Size

5.1MB
MD5

7f51905303133ead178c7a1813f01438
SHA1

137ccc691cb042a2b200fea1bf47d5efeeb90437
SHA256

b44f7174af920e9e58b63b6c21e7ce73bf9f7c05d438bd7fb21fe8b0f13c4be4
SHA512

030db6b0cbc62ab8169e3fc8fe696f96a28e595555947d1559b63a0b663314c3282ce93ec6b664cbfe62e37d7a4b87049e0d9efb86076cde65b19950878d26c9
SSDEEP

98304:tcVHQcvDWzHRWH4d2L0fhqE0bLjTpYnq2lnRcKIEK8xrmnaoiWbzbbr:CwcvDWjR12L0fhUbLXCnBlnRcKIYvW3L

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Files

sefaz.exe
.exe windows x86

91ae93ed3ff0d6f8a4f22d2edd30a58e

Code Sign

48:1b:6a:07:26:d2:e8:3f:26:02:d4:82:5a:cd
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

15/06/2016, 00:00

Not After

15/06/2024, 00:00

Subject

CN=GlobalSign CodeSigning CA - SHA256 - G3,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageOCSPSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

56:66:ff:9c:66:d6:19:d8:50:c5:a6:bc
Certificate

Issuer

CN=GlobalSign CodeSigning CA - SHA256 - G3,O=GlobalSign nv-sa,C=BE

Not Before

19/12/2016, 18:16

Not After

20/12/2019, 18:16

Subject

CN=Linx SA,O=Linx SA,L=Sao Paulo,ST=Sao Paulo,C=BR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:ee:9a:df:94:56:30:09:16:fd:72:51:3a:50:46:76:96:9b:f4:8d
Signer

Actual PE Digest

03:ee:9a:df:94:56:30:09:16:fd:72:51:3a:50:46:76:96:9b:f4:8d

Digest Algorithm

sha1

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

Imports

user32

MessageBoxW
MessageBoxA

kernel32

SystemTimeToTzSpecificLocalTime
DecodePointer
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
GetShortPathNameW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
HeapReAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
CloseHandle
PeekNamedPipe
RaiseException
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
CreateDirectoryW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableA
GetFileAttributesExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
WriteConsoleW
GetTimeZoneInformation
HeapSize

ws2_32

ntohl

Sections

.text
Size: 123KB - Virtual size: 122KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 184B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

91ae93ed3ff0d6f8a4f22d2edd30a58e

Code Sign

48:1b:6a:07:26:d2:e8:3f:26:02:d4:82:5a:cdCertificate

Extended Key Usages

Key Usages

56:66:ff:9c:66:d6:19:d8:50:c5:a6:bcCertificate

Extended Key Usages

Key Usages

03:ee:9a:df:94:56:30:09:16:fd:72:51:3a:50:46:76:96:9b:f4:8dSigner

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

ws2_32

Sections

.text Size: 123KB - Virtual size: 122KB

.rdata Size: 44KB - Virtual size: 44KB

.data Size: 2KB - Virtual size: 57KB

.gfids Size: 512B - Virtual size: 184B

.rsrc Size: 60KB - Virtual size: 59KB

.reloc Size: 6KB - Virtual size: 5KB

48:1b:6a:07:26:d2:e8:3f:26:02:d4:82:5a:cd
Certificate

56:66:ff:9c:66:d6:19:d8:50:c5:a6:bc
Certificate

03:ee:9a:df:94:56:30:09:16:fd:72:51:3a:50:46:76:96:9b:f4:8d
Signer

.text
Size: 123KB - Virtual size: 122KB

.rdata
Size: 44KB - Virtual size: 44KB

.data
Size: 2KB - Virtual size: 57KB

.gfids
Size: 512B - Virtual size: 184B

.rsrc
Size: 60KB - Virtual size: 59KB

.reloc
Size: 6KB - Virtual size: 5KB