ovcfrnzu[.]dll

Resubmissions

21-02-2023 14:12

230221-rhvpmagh7v 10

10-10-2022 04:28

221010-e37hpsafa4 8

Sharing

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General

Target

ovcfrnzu.dll
Size

687KB
MD5

37e6904d84153d1435407f4669135134
SHA1

e4dd1f8fc4e44c8fd0e25242d994c4b59eed6939
SHA256

bf3c7f0ba324c96c9a9bff6cf21650a4b78edbc0076c68a9a125ebcba0e523c9
SHA512

4208f016541c9868354733342f0e2813d3d0fe47de7a4f40766946172039ab1addcc6601c3dedf363cbe4f785c07cbf67b67830a3f88b3a6f17309010a8cf379
SSDEEP

12288:WJpOXg6QYZEEDBK51pF/0RP+xeQKg30xFAE4sLF8tW5XWQyYa7VROtv7:WSXgWYpFj+g39sLOtUyd7W1

Score

1^/10

Malware Config

Signatures

Files

ovcfrnzu.dll
.dll windows x86

6fb4702c474d70a8d90b8cc55a05c07e

Code Sign

01
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

01-01-2004 00:00

Not After

31-12-2028 23:59

Subject

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25-05-2021 00:00

Not After

31-12-2028 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

Issuer

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

Not Before

01-08-2022 00:00

Not After

09-11-2031 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22-03-2021 00:00

Not After

21-03-2036 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7d:27:33:2c:3c:b3:a3:82:a4:fd:23:2c:5c:66:a2
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

17-06-2022 00:00

Not After

17-06-2023 23:59

Subject

CN=MALVINA RECRUITMENT LIMITED,O=MALVINA RECRUITMENT LIMITED,ST=London,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

Issuer

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

Not Before

23-03-2022 00:00

Not After

22-03-2037 23:59

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

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

Not Before

21-09-2022 00:00

Not After

21-11-2033 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

5b:30:db:e7:4c:8d:bb:6c:0f:1f:a1:31:32:13:c9:16:f5:65:22:8f
Signer

Actual PE Digest

5b:30:db:e7:4c:8d:bb:6c:0f:1f:a1:31:32:13:c9:16:f5:65:22:8f

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=MALVINA RECRUITMENT LIMITED,O=MALVINA RECRUITMENT LIMITED,ST=London,C=GB

07-10-2022 12:54
Valid: true

Chain 1

CN=MALVINA RECRUITMENT LIMITED,O=MALVINA RECRUITMENT LIMITED,ST=London,C=GB

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

CreateFileW
FindClose
FindFirstFileW
WriteFile
CloseHandle
GetLastError
SetLastError
HeapAlloc
HeapFree
GetProcessHeap
ReleaseSemaphore
ReleaseMutex
WaitForSingleObject
CreateMutexW
Sleep
WaitForMultipleObjects
CreateSemaphoreW
GetModuleFileNameW
lstrlenA
GetNativeSystemInfo
VirtualAlloc
VirtualProtect
VirtualFree
FreeLibrary
GetProcAddress
LoadLibraryA
IsBadReadPtr
WriteConsoleW
ReadConsoleW
ReadFile
HeapSize
DecodePointer
GetStringTypeW
SetFilePointerEx
GetFileSizeEx
SetStdHandle
GetConsoleMode
GetConsoleCP
FlushFileBuffers
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetModuleHandleW
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
InterlockedPushEntrySList
InterlockedFlushSList
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
RtlUnwind
EncodePointer
RaiseException
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetStdHandle
GetFileType
GetCurrentThread
HeapReAlloc
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetConsoleCtrlHandler
OutputDebugStringW

user32

SetWindowLongW
GetWindowLongW
LoadIconW
EndDialog
DialogBoxParamW
SendMessageW
wsprintfW
GetDlgItem

shell32

SHGetSpecialFolderPathW

Exports

Exports

ChkdskExs
SSL_CTX_config
SSL_get0_dane_tlsa
SSL_write_early_data

Sections

.text
Size: 222KB - Virtual size: 222KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 449KB - Virtual size: 448KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

6fb4702c474d70a8d90b8cc55a05c07e

Code Sign

01Certificate

Key Usages

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

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

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

7d:27:33:2c:3c:b3:a3:82:a4:fd:23:2c:5c:66:a2Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

5b:30:db:e7:4c:8d:bb:6c:0f:1f:a1:31:32:13:c9:16:f5:65:22:8fSigner

Signature Validations

Verification

07-10-2022 12:54 Valid: true

Chain 1

Headers

File Characteristics

Imports

kernel32

user32

shell32

Exports

Exports

Sections

.text Size: 222KB - Virtual size: 222KB

.data Size: 449KB - Virtual size: 448KB

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

.rsrc Size: 512B - Virtual size: 248B

01
Certificate

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

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

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

7d:27:33:2c:3c:b3:a3:82:a4:fd:23:2c:5c:66:a2
Certificate

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

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

5b:30:db:e7:4c:8d:bb:6c:0f:1f:a1:31:32:13:c9:16:f5:65:22:8f
Signer

07-10-2022 12:54
Valid: true

.text
Size: 222KB - Virtual size: 222KB

.data
Size: 449KB - Virtual size: 448KB

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

.rsrc
Size: 512B - Virtual size: 248B