r77 | 474f7d49a8d2dbd55cd9693702c6247c7df71b3a78dc0cb70e34dcaec50d2f23

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General

Target
474f7d49a8d2dbd55cd9693702c6247c7df71b3a78dc0cb70e34dcaec50d2f23
Size 1.2MB
Sample220907-rfj54sccb9
SHA256 474f7d49a8d2dbd55cd9693702c6247c7df71b3a78dc0cb70e34dcaec50d2f23
MD5 a3341f453497744a3d0e3b9d48234aff
SHA1 975c7d5312bbb36f5b39d5122dfbb447650fac30
SHA512 b6a853ceddedc5b434172a28b8a112b9967553428cc4f05e8b934eaff334e6ca5d39b373995963d9a571c809873e402b06f9b04c2dd01269d032e09e3c951308
SSDEEP 24576:umTet5zv1ST7l/rCK3Fd/CTRcMmDSMm94bJ7q:kPzgTB/rvVrMTqV7q
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

r77

Malware Config

Signatures

R77 family
r77

r77 rootkit payload 1 IoCs

Detects the payload of the r77 rootkit.

resource	yara_rule
sample	r77_payload

File Explorer

474f7d49a8d2dbd55cd9693702c6247c7df71b3a78dc0cb70e34dcaec50d2f23

.exe 1.2MB

474f7d49a8d2dbd55cd9693702c6247c7df71b3a78dc0cb70e34dcaec50d2f23

IMPHASH 053a2861638be468247659cfe8e7cd16
SHA256 474f7d49a8d2dbd55cd9693702c6247c7df71b3a78dc0cb70e34dcaec50d2f23
MD5 a3341f453497744a3d0e3b9d48234aff
SHA1 975c7d5312bbb36f5b39d5122dfbb447650fac30
SHA512 b6a853ceddedc5b434172a28b8a112b9967553428cc4f05e8b934eaff334e6ca5d39b373995963d9a571c809873e402b06f9b04c2dd01269d032e09e3c951308
SSDEEP 24576:umTet5zv1ST7l/rCK3Fd/CTRcMmDSMm94bJ7q:kPzgTB/rvVrMTqV7q
MD5 SHA1 SHA512 SSDEEP

windows x64

r77 rootkit payload

Detects the payload of the r77 rootkit.

PE Signature issue

Digest

04:b4:38:7a:ff:a3:29:6e:ab:56:8e:d5:9b:23:0e:45:06:3c:f1:f1:a3:45:38:47:99:8f:7d:cc:7e:ac:b0:b7

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

PE Signature issue

Digest

ec:61:12:bf:ad:42:84:bf:d1:9f:de:47:53:f6:fb:60:94:ff:de:5b

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Aug 1, 2022 - Nov 9, 2031

Subject

CN=David Miller Root CA - R1,O=David Miller Trust Services

Serial Number

79:f0:77:53:82:4f:8f:7b:95:37:9b:b8:a8:91:94:34

Issuer

CN=David Miller Root CA - R1,O=David Miller Trust Services

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jan 1, 1990 - Dec 31, 2059

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Serial Number

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 23, 2022 - Mar 22, 2037

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Serial Number

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 29, 2022 - Mar 14, 2033

Subject

SERIALNUMBER=7563839439G1B,CN=David Miller (Games),O=David Miller Trust Services,L=Beijing,ST=Beijing,C=CN,1.2.840.113549.1.9.1=#0c1964617669646d696c6c6572636e406f75746c6f6f6b2e636f6d,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#13074265696a696e67,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Serial Number

4e:01:4e:57:e9:83:45:fc:db:e0:b0:9b:6d:e7:3e:df

Issuer

CN=David Miller EV Code Signing CA - G4,OU=For authorized use only,O=David Miller Trust Services

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Sep 7, 2022 - Sep 6, 2025

Subject

CN=David Miller EV Code Signing CA - G4,OU=For authorized use only,O=David Miller Trust Services

Serial Number

57:af:89:c0:40:78:1d:af:1e:c6:14:72:be:41:94:dd

Issuer

CN=David Miller Root CA - R1,O=David Miller Trust Services

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Jun 8, 2022 - Jun 7, 2037

Subject

CN=David Miller Root CA - R3,O=David Miller Trust Services

Serial Number

13:08:7a:25:8a:b6:5b:d2:ca:87:d5:88:35:2f:bd:ea

Issuer

CN=David Miller Root CA - R1,O=David Miller Trust Services

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jan 1, 1990 - Dec 31, 2039

Subject

CN=David Miller Root CA - R1,O=David Miller Trust Services

Serial Number

79:f0:77:53:82:4f:8f:7b:95:37:9b:b8:a8:91:94:34

Issuer

CN=David Miller Root CA - R1,O=David Miller Trust Services

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jan 1, 1990 - Dec 31, 2059

Subject

CN=David Miller SHA2 EV Code Signing CA2 - G2,OU=For authorized use only,O=David Miller Trust Services

Serial Number

1e:ca:dc:8c:be:04:e9:2a:37:e9:eb:fd:fa:a2:e0:91

Issuer

CN=David Miller Root CA - R3,O=David Miller Trust Services

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Sep 7, 2022 - Sep 6, 2037

Subject

SERIALNUMBER=4777725569G1B,CN=David Miller (Games),O=David Miller Trust Services,L=Beijing,ST=Beijing,C=CN,1.2.840.113549.1.9.1=#0c1964617669646d696c6c6572636e406f75746c6f6f6b2e636f6d,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#13074265696a696e67,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Serial Number

03:68:bf:9e:58:8f:f0:af:b9:72:d3:4f:9d:0f:f0:96

Issuer

CN=David Miller SHA2 EV Code Signing CA2 - G2,OU=For authorized use only,O=David Miller Trust Services

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Sep 7, 2022 - Sep 6, 2025

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Serial Number

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 29, 2022 - Mar 14, 2033

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Serial Number

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 23, 2022 - Mar 22, 2037

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Aug 1, 2022 - Nov 9, 2031

Minor OS version

Major OS version

Entry point

204512

Magic Number

523

Subsystem

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

GetCurrentProcessId LoadLibraryW GetProcAddress WaitNamedPipeW GetLastError CreateFileW ReadFile WriteFile GetModuleHandleA LoadLibraryA GetPrivateProfileStringW WritePrivateProfileStringW GetModuleHandleW FindResourceW LoadResource SizeofResource LockResource RaiseException InitializeCriticalSectionEx DeleteCriticalSection DecodePointer Sleep HeapFree HeapReAlloc HeapSize GetProcessHeap GetTempPathW GetFileAttributesW GetModuleFileNameW LoadLibraryExW FreeLibrary MultiByteToWideChar GetCurrentProcess IsWow64Process SetLastError ResumeThread WaitForSingleObject LocalFree CreateDirectoryW WriteConsoleW SetEnvironmentVariableW FreeEnvironmentStringsW GetEnvironmentStringsW MapViewOfFile CreateFileMappingW UnmapViewOfFile HeapAlloc CloseHandle GetCommandLineW GetCommandLineA GetOEMCP GetACP IsValidCodePage FindNextFileW FindFirstFileExW FindClose GetTimeZoneInformation SetStdHandle GetFullPathNameW GetCurrentDirectoryW EnumSystemLocalesW GetUserDefaultLCID IsValidLocale GetLocaleInfoW LCMapStringW CompareStringW WideCharToMultiByte GetStringTypeW WaitForSingleObjectEx GetCurrentThreadId GetExitCodeThread InitializeSRWLock ReleaseSRWLockExclusive AcquireSRWLockExclusive EnterCriticalSection LeaveCriticalSection TryEnterCriticalSection EncodePointer LCMapStringEx QueryPerformanceCounter FlsAlloc FlsGetValue FlsSetValue FlsFree GetSystemTimeAsFileTime CompareStringEx GetCPInfo InitializeCriticalSectionAndSpinCount CreateEventW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW InitializeSListHead OutputDebugStringW RtlUnwindEx RtlPcToFileHeader TlsAlloc TlsGetValue TlsSetValue TlsFree GetDriveTypeW GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ExitProcess GetModuleHandleExW CreateThread ExitThread FreeLibraryAndExitThread GetStdHandle SetFilePointerEx FlushFileBuffers GetConsoleOutputCP GetConsoleMode

user32

MessageBoxW MessageBoxA

advapi32

SetEntriesInAclW ConvertStringSidToSidW GetNamedSecurityInfoW SetNamedSecurityInfoW

shell32

SHGetFolderPathW

ole32

CoInitializeEx CoUninitialize

oleaut32

SysFreeString SysAllocString

mscoree

CorBindToRuntime CLRCreateInstance

wininet

InternetOpenUrlA InternetReadFile InternetOpenA

version

VerQueryValueW GetFileVersionInfoSizeW GetFileVersionInfoW

winmm

PlaySoundW

Name

.text

Size

361KB

Virtual Size

361KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

130KB

Virtual Size

129KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

14KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

16KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

348B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

672KB

Virtual Size

672KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ