WeChatDecoder[.]exe

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General

Target

WeChatDecoder.exe
Size

1.1MB
MD5

9637c443bff1761dd89aa957a4d4d2d4
SHA1

52d64580908c7f1d3831f76b282927993188ec77
SHA256

5550e255b23de1d65c4aa677373ff42f1305ac2696250375dedb0e296e300888
SHA512

c71a60fde5cce78ec6e0a31d479aa6472095c6ef6077cba91236cc2ff446ac5d1dde777a522b5980c28e31f57f561a4aee702103bb5b026b90964f29e9116ac0
SSDEEP

12288:nd8tz1fiyZRE2pz53PdcYfZHOGZNPd+Uo7mJprvWCJNTSeZjGv7eO:d4fiyZRE2pz53Pr+UDLrHTSeZPO

Score

1^/10

Malware Config

Signatures

Files

WeChatDecoder.exe
.exe windows:5 windows x86 arch:x86

f174e8fb0c48016cdedbef01be0b372d

Code Sign

7c:44:3d:7d:bb:05:4e:45:9c:51:3d:66:5d:fa:8d:b7
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

11/10/2018, 00:00

Not After

02/02/2020, 23:59

Subject

CN=Tencent Technology(Shenzhen) Company Limited,OU=研发管理部,O=Tencent Technology(Shenzhen) Company Limited,L=Shenzhen,ST=Guangdong,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2014, 00:00

Not After

22/10/2024, 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/11/2006, 00:00

Not After

10/11/2021, 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

5d:2d:8c:bf:49:c9:09:4c:7e:a9:9e:6a:68:36:5e:32
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

11/10/2018, 00:00

Not After

02/02/2020, 23:59

Subject

CN=Tencent Technology(Shenzhen) Company Limited,OU=研发管理部,O=Tencent Technology(Shenzhen) Company Limited,L=Shenzhen,ST=Guangdong,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/10/2019, 00:00

Not After

17/10/2030, 00:00

Subject

CN=TIMESTAMP-SHA256-2019-10-15,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d4:b4:c7:0a:53:a5:67:7a:ca:cd:ed:96:bd:0f:73:6a:c9:5f:d1:13:f2:55:69:42:0a:7f:ec:c3:0d:74:97:a6
Signer

Actual PE Digest

d4:b4:c7:0a:53:a5:67:7a:ca:cd:ed:96:bd:0f:73:6a:c9:5f:d1:13:f2:55:69:42:0a:7f:ec:c3:0d:74:97:a6

Digest Algorithm

sha256

PE Digest Matches

true

0a:01:32:2b:5e:02:90:ae:b9:01:bb:54:59:eb:6c:60:cc:ae:3f:27
Signer

Actual PE Digest

0a:01:32:2b:5e:02:90:ae:b9:01:bb:54:59:eb:6c:60:cc:ae:3f:27

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_32BIT_MACHINE

Imports

kernel32

RaiseException
DecodePointer
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
CloseHandle
CreateFileW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
SetLastError
MapViewOfFile
OpenFileMappingW
UnmapViewOfFile
ExitProcess
lstrlenA
SetStdHandle
SetEnvironmentVariableA
GetLastError
WideCharToMultiByte
MultiByteToWideChar
EnterCriticalSection
LeaveCriticalSection
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
GetProcAddress
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
OutputDebugStringW
EncodePointer
FreeLibrary
LoadLibraryExW
RtlUnwind
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleExW
ReadFile
HeapValidate
GetSystemInfo
GetStdHandle
WriteFile
GetACP
GetFileType
OutputDebugStringA
WriteConsoleW
CreateThread
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetStringTypeW
FlushFileBuffers
GetConsoleCP
CompareStringW
LCMapStringW
HeapQueryInformation
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEndOfFile

user32

PostMessageW

Sections

.text
Size: 625KB - Virtual size: 625KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 135KB - Virtual size: 134KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 324B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 350KB - Virtual size: 350KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f174e8fb0c48016cdedbef01be0b372d

Code Sign

7c:44:3d:7d:bb:05:4e:45:9c:51:3d:66:5d:fa:8d:b7Certificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

5d:2d:8c:bf:49:c9:09:4c:7e:a9:9e:6a:68:36:5e:32Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6dCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

d4:b4:c7:0a:53:a5:67:7a:ca:cd:ed:96:bd:0f:73:6a:c9:5f:d1:13:f2:55:69:42:0a:7f:ec:c3:0d:74:97:a6Signer

0a:01:32:2b:5e:02:90:ae:b9:01:bb:54:59:eb:6c:60:cc:ae:3f:27Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Sections

.text Size: 625KB - Virtual size: 625KB

.rdata Size: 135KB - Virtual size: 134KB

.data Size: 3KB - Virtual size: 7KB

.gfids Size: 512B - Virtual size: 324B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 350KB - Virtual size: 350KB

.reloc Size: 17KB - Virtual size: 17KB

7c:44:3d:7d:bb:05:4e:45:9c:51:3d:66:5d:fa:8d:b7
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

5d:2d:8c:bf:49:c9:09:4c:7e:a9:9e:6a:68:36:5e:32
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

d4:b4:c7:0a:53:a5:67:7a:ca:cd:ed:96:bd:0f:73:6a:c9:5f:d1:13:f2:55:69:42:0a:7f:ec:c3:0d:74:97:a6
Signer

0a:01:32:2b:5e:02:90:ae:b9:01:bb:54:59:eb:6c:60:cc:ae:3f:27
Signer

.text
Size: 625KB - Virtual size: 625KB

.rdata
Size: 135KB - Virtual size: 134KB

.data
Size: 3KB - Virtual size: 7KB

.gfids
Size: 512B - Virtual size: 324B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 350KB - Virtual size: 350KB

.reloc
Size: 17KB - Virtual size: 17KB