C4Loader[.]exe

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General

Target

C4Loader.exe
Size

241KB
MD5

c4f44301d9eabab4934ad08824bf2bcd
SHA1

79023ac6eed96e71521005990a57241cbef20aff
SHA256

76dcb15cdba9350d118c62509a958cdc3dbfd9ff7c825d41b433b2699a58f941
SHA512

7b0c3afc9c411839be6320673ffcf63ab4d8cfcd879aadc34fa5126ba3ccad1569404591137ac400113d67cfabc9c0fa39ed89ae30c84a5634264b86da33ceab
SSDEEP

6144:pRSqua8zXCtT2BNBsly8YiuVP4jzqAOJe7Pc:2qvCXCtCBNBscrO0

Score

N/A

Malware Config

Signatures

Files

C4Loader.exe
.exe windows x86

a821db003ec7e191400560b07428f456

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

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

Not Before

01-01-2021 00:00

Not After

06-01-2031 00:00

Subject

CN=DigiCert Timestamp 2021,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

61:20:4d:b4:00:00:00:00:00:27
Certificate

Issuer

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

Not Before

15-04-2011 19:45

Not After

15-04-2021 19:55

Subject

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:64:96:2e:44:67:ed:cc:15:79:64:6b:73:37:ec:8c
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-04-2019 00:00

Not After

11-01-2022 12:00

Subject

SERIALNUMBER=23638777,CN=ASUSTeK Computer Inc.,O=ASUSTeK Computer Inc.,L=Taipei City,C=TW,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025457

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18-04-2012 12:00

Not After

18-04-2027 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fa:1e:11:34:bd:a4:2c:40:cf:5f:c1:ee:98:55:f7:fe:37:fe:f0:28:df:a6:99:23:c6:73:e1:bb:b7:ef:f5:d6
Signer

Actual PE Digest

fa:1e:11:34:bd:a4:2c:40:cf:5f:c1:ee:98:55:f7:fe:37:fe:f0:28:df:a6:99:23:c6:73:e1:bb:b7:ef:f5:d6

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=23638777,CN=ASUSTeK Computer Inc.,O=ASUSTeK Computer Inc.,L=Taipei City,C=TW,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025457

25-08-2021 05:03
Valid: true

Chain 1

SERIALNUMBER=23638777,CN=ASUSTeK Computer Inc.,O=ASUSTeK Computer Inc.,L=Taipei City,C=TW,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025457

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

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

VirtualProtect
GetLastError
GetSystemInfo
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
GetStringTypeW
GetCPInfo
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
CreateFileW
RtlUnwind
RaiseException
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
CloseHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
HeapSize
WriteConsoleW

Sections

.text
Size: 153KB - Virtual size: 152KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 58KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a821db003ec7e191400560b07428f456

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

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

61:20:4d:b4:00:00:00:00:00:27Certificate

Key Usages

0c:64:96:2e:44:67:ed:cc:15:79:64:6b:73:37:ec:8cCertificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

fa:1e:11:34:bd:a4:2c:40:cf:5f:c1:ee:98:55:f7:fe:37:fe:f0:28:df:a6:99:23:c6:73:e1:bb:b7:ef:f5:d6Signer

Signature Validations

Verification

25-08-2021 05:03 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 153KB - Virtual size: 152KB

.rdata Size: 58KB - Virtual size: 58KB

.data Size: 11KB - Virtual size: 14KB

.reloc Size: 7KB - Virtual size: 7KB

.rsrc Size: 1KB - Virtual size: 1KB

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

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

61:20:4d:b4:00:00:00:00:00:27
Certificate

0c:64:96:2e:44:67:ed:cc:15:79:64:6b:73:37:ec:8c
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

fa:1e:11:34:bd:a4:2c:40:cf:5f:c1:ee:98:55:f7:fe:37:fe:f0:28:df:a6:99:23:c6:73:e1:bb:b7:ef:f5:d6
Signer

25-08-2021 05:03
Valid: true

.text
Size: 153KB - Virtual size: 152KB

.rdata
Size: 58KB - Virtual size: 58KB

.data
Size: 11KB - Virtual size: 14KB

.reloc
Size: 7KB - Virtual size: 7KB

.rsrc
Size: 1KB - Virtual size: 1KB