wfs[.]exe | Triage

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General

Target

wfs.exe
Size

2.3MB
MD5

e1373a5a5c19b706823ba7fb468dc382
SHA1

de3aa0d85c0f8a9784c9f2a7d7f1727900e0c8cb
SHA256

6f37eda632e5bf3bf4db10f9a635dae20714b16fe9200bf25fe390d8a40120be
SHA512

a13d15e34b56c43bd60d1acb398d1b068e0b7e3273dba4bcc43404496335ee85a5b701cbf1e1c284c01859673ae203cdf02024dd68892e1a8ec4b806ea3a846d
SSDEEP

49152:W0qUp3UrvSZb5uVcC3hwNw0VCo0Q9l9jnsJX2FYn3tlLS6TQj2qdrhLYWsP+R7Ov:Tgr6Z1uVBhHMCvkVemFcDNOdNBj+g2

Score

1^/10

Malware Config

Signatures

Files

wfs.exe
.exe windows:5 windows x86 arch:x86

48aa5c8931746a9655524f67b25a47ef

Code Sign

02:01
Certificate

Issuer

OU=Starfield Class 2 Certification Authority,O=Starfield Technologies\, Inc.,C=US

Not Before

16-11-2006 01:15

Not After

16-11-2026 01:15

Subject

SERIALNUMBER=10688435,CN=Starfield Secure Certification Authority,OU=http://certificates.starfieldtech.com/repository,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

d9:7d:aa:c0:1a:24:8f:ea
Certificate

Issuer

CN=Starfield Services Root Certificate Authority,OU=http://certificates.starfieldtech.com/repository/,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

16-02-2016 07:00

Not After

16-02-2021 07:00

Subject

CN=Starfield Services Timestamp Authority - G1,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

66:bb:f0:51:93:db:18:d4
Certificate

Issuer

SERIALNUMBER=10688435,CN=Starfield Secure Certification Authority,OU=http://certificates.starfieldtech.com/repository,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

16-02-2016 10:34

Not After

25-04-2019 13:33

Subject

CN=ONE UP LTD.,O=ONE UP LTD.,L=LIMASSOL,C=CY

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

39:14:84
Certificate

Issuer

OU=Starfield Class 2 Certification Authority,O=Starfield Technologies\, Inc.,C=US

Not Before

01-01-2014 07:00

Not After

30-05-2031 07:00

Subject

CN=Starfield Root Certificate Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

07
Certificate

Issuer

CN=Starfield Root Certificate Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

03-05-2011 07:00

Not After

03-05-2031 07:00

Subject

CN=Starfield Secure Certificate Authority - G2,OU=http://certs.starfieldtech.com/repository/,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

cd:fb:22:7b:46:26:f8:58
Certificate

Issuer

CN=Starfield Secure Certificate Authority - G2,OU=http://certs.starfieldtech.com/repository/,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

16-02-2016 10:34

Not After

25-04-2019 13:33

Subject

CN=ONE UP LTD.,O=ONE UP LTD.,L=LIMASSOL,C=CY

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

62:c7:39:65:c6:66:d1:cd
Certificate

Issuer

CN=Starfield Root Certificate Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

16-02-2016 07:00

Not After

16-02-2021 07:00

Subject

CN=Starfield Timestamp Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

e3:91:1b:58:38:9e:ac:47:09:48:13:ff:d3:a1:4a:03:0c:98:dd:ad:d4:82:74:13:14:15:27:a8:6f:ff:47:ea
Signer

Actual PE Digest

e3:91:1b:58:38:9e:ac:47:09:48:13:ff:d3:a1:4a:03:0c:98:dd:ad:d4:82:74:13:14:15:27:a8:6f:ff:47:ea

Digest Algorithm

sha256

PE Digest Matches

true

56:13:7a:8e:9d:b5:6e:98:88:f5:e2:95:85:21:d1:29:d1:06:47:52
Signer

Actual PE Digest

56:13:7a:8e:9d:b5:6e:98:88:f5:e2:95:85:21:d1:29:d1:06:47:52

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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Imports

oleaut32

SysFreeString
SysReAllocStringLen
SysAllocStringLen

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges

user32

GetKeyboardType
LoadStringW
MessageBoxA
CharNextW
CreateWindowExW
TranslateMessage
SetWindowLongW
PeekMessageW
MsgWaitForMultipleObjects
MessageBoxW
LoadStringW
GetSystemMetrics
ExitWindowsEx
DispatchMessageW
DestroyWindow
CharUpperBuffW
CallWindowProcW

kernel32

GetACP
Sleep
VirtualFree
VirtualAlloc
GetSystemInfo
GetTickCount
QueryPerformanceCounter
GetVersion
GetCurrentThreadId
VirtualQuery
WideCharToMultiByte
MultiByteToWideChar
lstrlenW
lstrcpynW
LoadLibraryExW
GetThreadLocale
GetStartupInfoA
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLocaleInfoW
GetCommandLineW
FreeLibrary
FindFirstFileW
FindClose
ExitProcess
WriteFile
UnhandledExceptionFilter
RtlUnwind
RaiseException
GetStdHandle
CloseHandle
TlsSetValue
TlsGetValue
LocalAlloc
GetModuleHandleW
WriteFile
WideCharToMultiByte
WaitForSingleObject
VirtualQuery
VirtualProtect
VirtualFree
VirtualAlloc
SizeofResource
SignalObjectAndWait
SetLastError
SetFilePointer
SetEvent
SetErrorMode
SetEndOfFile
ResetEvent
RemoveDirectoryW
ReadFile
MultiByteToWideChar
LockResource
LoadResource
LoadLibraryW
GetWindowsDirectoryW
GetVersionExW
GetUserDefaultLangID
GetThreadLocale
GetSystemInfo
GetStdHandle
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLocaleInfoW
GetLastError
GetFullPathNameW
GetFileSize
GetFileAttributesW
GetExitCodeProcess
GetEnvironmentVariableW
GetDiskFreeSpaceW
GetCurrentProcess
GetCommandLineW
GetCPInfo
InterlockedExchange
InterlockedCompareExchange
FreeLibrary
FormatMessageW
FindResourceW
EnumCalendarInfoW
DeleteFileW
CreateProcessW
CreateFileW
CreateEventW
CreateDirectoryW
CloseHandle
Sleep

comctl32

InitCommonControls

Sections

.text
Size: 60KB - Virtual size: 60KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 21KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 8B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 321KB - Virtual size: 320KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

48aa5c8931746a9655524f67b25a47ef

Code Sign

02:01Certificate

Key Usages

d9:7d:aa:c0:1a:24:8f:eaCertificate

Extended Key Usages

Key Usages

66:bb:f0:51:93:db:18:d4Certificate

Extended Key Usages

Key Usages

39:14:84Certificate

Key Usages

07Certificate

Key Usages

cd:fb:22:7b:46:26:f8:58Certificate

Extended Key Usages

Key Usages

62:c7:39:65:c6:66:d1:cdCertificate

Extended Key Usages

Key Usages

e3:91:1b:58:38:9e:ac:47:09:48:13:ff:d3:a1:4a:03:0c:98:dd:ad:d4:82:74:13:14:15:27:a8:6f:ff:47:eaSigner

56:13:7a:8e:9d:b5:6e:98:88:f5:e2:95:85:21:d1:29:d1:06:47:52Signer

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

advapi32

user32

kernel32

comctl32

Sections

.text Size: 60KB - Virtual size: 60KB

.itext Size: 3KB - Virtual size: 2KB

.data Size: 3KB - Virtual size: 3KB

.bss Size: - Virtual size: 21KB

.idata Size: 3KB - Virtual size: 3KB

.tls Size: - Virtual size: 8B

.rdata Size: 512B - Virtual size: 24B

.rsrc Size: 321KB - Virtual size: 320KB

02:01
Certificate

d9:7d:aa:c0:1a:24:8f:ea
Certificate

66:bb:f0:51:93:db:18:d4
Certificate

39:14:84
Certificate

07
Certificate

cd:fb:22:7b:46:26:f8:58
Certificate

62:c7:39:65:c6:66:d1:cd
Certificate

e3:91:1b:58:38:9e:ac:47:09:48:13:ff:d3:a1:4a:03:0c:98:dd:ad:d4:82:74:13:14:15:27:a8:6f:ff:47:ea
Signer

56:13:7a:8e:9d:b5:6e:98:88:f5:e2:95:85:21:d1:29:d1:06:47:52
Signer

.text
Size: 60KB - Virtual size: 60KB

.itext
Size: 3KB - Virtual size: 2KB

.data
Size: 3KB - Virtual size: 3KB

.bss
Size: - Virtual size: 21KB

.idata
Size: 3KB - Virtual size: 3KB

.tls
Size: - Virtual size: 8B

.rdata
Size: 512B - Virtual size: 24B

.rsrc
Size: 321KB - Virtual size: 320KB