yanluowang | yan1[.]exe

Resubmissions

28-10-2022 06:14

221028-gzepmafagn 10

13-10-2022 09:36

221013-lkxdcabga8 10

Sharing

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General

Target

yan1.exe
Size

398KB
MD5

afaf2d4ebb6dc47e79a955df5ad1fc8a
SHA1

c418ce055d97928f94ba06b5de8124a601d8f632
SHA256

d11793433065633b84567de403c1989640a07c9a399dd2753aaf118891ce791c
SHA512

321424ac21ebdb7f759a84236cb95c533b3000b3143099e1697f4a1f534c11782dafa68e5fa9e662b973b9669c1177b69c2fd0b83455625e57aa123385f581e6
SSDEEP

12288:EfaLQyGK6kAa2XgsA1RUa+jE6S3qRTjO0:EwIHnXp/O0

Score

10^/10

yanluowang

Malware Config

Signatures

Detects Yanluowang ransomware 1 IoCs

Processes:

resource yara_rule

sample family_yanluowang
Yanluowang family
yanluowang

resource	yara_rule
sample	family_yanluowang

Files

yan1.exe
.exe windows x86

380467bc2cc16b8ce64d4802632fe491

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

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

Issuer

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

Not Before

01-08-2013 12:00

Not After

15-01-2038 12:00

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

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

Not Before

29-04-2021 00:00

Not After

28-04-2036 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:0d:a8:84:0c:1a:95:9d:09:32:47:fa:33:6e:5a:2d
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

03-09-2021 00:00

Not After

03-09-2022 23:59

Subject

SERIALNUMBER=701872,CN=AdClearance Limited,O=AdClearance Limited,L=Dublin,C=IE,1.3.6.1.4.1.311.60.2.1.3=#13024945,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

13:75:f2:56:f6:c0:e3:b2:b3:4e:2f:1a:72:f9:5d:97:d7:c3:e7:74
Signer

Actual PE Digest

13:75:f2:56:f6:c0:e3:b2:b3:4e:2f:1a:72:f9:5d:97:d7:c3:e7:74

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=701872,CN=AdClearance Limited,O=AdClearance Limited,L=Dublin,C=IE,1.3.6.1.4.1.311.60.2.1.3=#13024945,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

18-09-2021 06:38
Valid: true

Chain 1

SERIALNUMBER=701872,CN=AdClearance Limited,O=AdClearance Limited,L=Dublin,C=IE,1.3.6.1.4.1.311.60.2.1.3=#13024945,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,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

Process32FirstW
CloseHandle
GetLogicalDriveStringsA
SetFilePointerEx
LocalFree
SystemTimeToFileTime
GetSystemTime
MoveFileW
GetDriveTypeW
CreateFileA
LocalAlloc
SetFilePointer
FindNextFileA
SetFileTime
TerminateProcess
WriteFile
GetCurrentProcess
FindFirstFileA
Process32NextW
GetLastError
CreateToolhelp32Snapshot
OpenProcess
CreateFileW
GetCurrentDirectoryA
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
GetStringTypeW
GetCPInfo
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
WaitForSingleObjectEx
GetFileSizeEx
GetModuleHandleW
GetProcAddress
InitializeSListHead
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
RtlUnwind
RaiseException
InterlockedPushEntrySList
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
GetStdHandle
GetCommandLineA
GetCommandLineW
GetACP
HeapAlloc
HeapFree
GetFileType
GetFileAttributesExW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadConsoleW
HeapReAlloc
HeapSize
FindClose
FindFirstFileExA
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetProcessHeap
SetStdHandle
WriteConsoleW
FindFirstFileW
CreateEventW
ReadFile

advapi32

CryptGenRandom
CryptAcquireContextA
CryptReleaseContext
LookupPrivilegeValueW
AdjustTokenPrivileges
CryptAcquireContextW
SetNamedSecurityInfoA
CryptEncrypt
AllocateAndInitializeSid
SetEntriesInAclW
OpenProcessToken
FreeSid

shell32

ShellExecuteA

crypt32

CryptStringToBinaryA
CryptDecodeObjectEx
CryptBinaryToStringA
CryptImportPublicKeyInfo

Sections

.text
Size: 279KB - Virtual size: 279KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 82KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

380467bc2cc16b8ce64d4802632fe491

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

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5cCertificate

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0d:0d:a8:84:0c:1a:95:9d:09:32:47:fa:33:6e:5a:2dCertificate

Extended Key Usages

Key Usages

13:75:f2:56:f6:c0:e3:b2:b3:4e:2f:1a:72:f9:5d:97:d7:c3:e7:74Signer

Signature Validations

Verification

18-09-2021 06:38 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

crypt32

Sections

.text Size: 279KB - Virtual size: 279KB

.rdata Size: 82KB - Virtual size: 82KB

.data Size: 10KB - Virtual size: 18KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 15KB - Virtual size: 15KB

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

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0d:0d:a8:84:0c:1a:95:9d:09:32:47:fa:33:6e:5a:2d
Certificate

13:75:f2:56:f6:c0:e3:b2:b3:4e:2f:1a:72:f9:5d:97:d7:c3:e7:74
Signer

18-09-2021 06:38
Valid: true

.text
Size: 279KB - Virtual size: 279KB

.rdata
Size: 82KB - Virtual size: 82KB

.data
Size: 10KB - Virtual size: 18KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 15KB - Virtual size: 15KB