mkbtrfs[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

mkbtrfs.exe
Size

580KB
MD5

deea2731e1e574f590d737b85317b59c
SHA1

7546881a83f5125512ce47d17006a263b171665d
SHA256

8ade2a2d76db153fa1d92e15d3c1e59b5a8a372cf102b3089951da7a67fbf55d
SHA512

652f774fdc62804560f5b11dcd543bc2a1884c6b7b0c2da112c1d21ea4b9a9cfe07e92addd7057e682aaf132aa8f9234d7773c49048024603929a60cccd16e85
SSDEEP

6144:FTVrmbmUShjh8MvEMbpYWYVYYGZrmT041pzYJ:66nhlJEgYWFYGVmW

Score

1^/10

Malware Config

Signatures

Files

mkbtrfs.exe
.exe windows:6 windows x64 arch:x64

cbc15631d92e7db11ef47b7e0a4fa40f

Code Sign

61:3b:c7:91:00:00:00:00:00:34
Certificate

Issuer

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

Not Before

15/04/2011, 20:15

Not After

15/04/2021, 20:25

Subject

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

31/05/2021, 06:43

Not After

17/09/2029, 06:43

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

4f:4e:02:77:08:96:5c:b2:35:f6:20:aa:14:46:08:32
Certificate

Issuer

CN=Certum Code Signing 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

22/08/2022, 06:05

Not After

22/08/2023, 06:05

Subject

CN=Open Source Developer\, Mark Harmstone,O=Open Source Developer,L=Rochdale,C=GB,1.2.840.113549.1.9.1=#0c126d61726b406861726d73746f6e652e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/05/2021, 05:32

Not After

18/05/2036, 05:32

Subject

CN=Certum Code Signing 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

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

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

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

e6:d1:34:b6:23:d6:d3:c3:88:2e:fe:f0:a8:6a:f3:4d:99:da:23:1b:03:88:4b:8d:10:d3:81:c9:29:7c:f1:9e
Signer

Actual PE Digest

e6:d1:34:b6:23:d6:d3:c3:88:2e:fe:f0:a8:6a:f3:4d:99:da:23:1b:03:88:4b:8d:10:d3:81:c9:29:7c:f1:9e

Digest Algorithm

sha256

PE Digest Matches

true

Headers

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

Z:\home\hellas\wine\fs\btrfs\out\build\x64-Release\mkbtrfs.pdb

Imports

kernel32

GetLastError
GetModuleHandleA
GetProcAddress
LoadLibraryW
MultiByteToWideChar
CreateFileW
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
RtlUnwind
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetCurrentThread
HeapAlloc
HeapFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
GetProcessHeap
SetConsoleCtrlHandler
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
HeapSize
HeapReAlloc
CloseHandle
WriteConsoleW

user32

LoadStringW

Sections

.text
Size: 434KB - Virtual size: 433KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 85KB - Virtual size: 85KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 373B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 1024B - Virtual size: 671B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cbc15631d92e7db11ef47b7e0a4fa40f

Code Sign

61:3b:c7:91:00:00:00:00:00:34Certificate

Key Usages

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27Certificate

Key Usages

4f:4e:02:77:08:96:5c:b2:35:f6:20:aa:14:46:08:32Certificate

Extended Key Usages

Key Usages

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39Certificate

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

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

Extended Key Usages

Key Usages

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

Key Usages

e6:d1:34:b6:23:d6:d3:c3:88:2e:fe:f0:a8:6a:f3:4d:99:da:23:1b:03:88:4b:8d:10:d3:81:c9:29:7c:f1:9eSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

Sections

.text Size: 434KB - Virtual size: 433KB

.rdata Size: 85KB - Virtual size: 85KB

.data Size: 4KB - Virtual size: 12KB

.pdata Size: 20KB - Virtual size: 19KB

.idata Size: 4KB - Virtual size: 4KB

.00cfg Size: 512B - Virtual size: 373B

_RDATA Size: 1024B - Virtual size: 671B

.rsrc Size: 8KB - Virtual size: 7KB

.reloc Size: 4KB - Virtual size: 3KB

61:3b:c7:91:00:00:00:00:00:34
Certificate

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

4f:4e:02:77:08:96:5c:b2:35:f6:20:aa:14:46:08:32
Certificate

99:a3:80:0a:26:55:3b:65:ab:dc:6e:84:a6:b3:ea:39
Certificate

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

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

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

e6:d1:34:b6:23:d6:d3:c3:88:2e:fe:f0:a8:6a:f3:4d:99:da:23:1b:03:88:4b:8d:10:d3:81:c9:29:7c:f1:9e
Signer

.text
Size: 434KB - Virtual size: 433KB

.rdata
Size: 85KB - Virtual size: 85KB

.data
Size: 4KB - Virtual size: 12KB

.pdata
Size: 20KB - Virtual size: 19KB

.idata
Size: 4KB - Virtual size: 4KB

.00cfg
Size: 512B - Virtual size: 373B

_RDATA
Size: 1024B - Virtual size: 671B

.rsrc
Size: 8KB - Virtual size: 7KB

.reloc
Size: 4KB - Virtual size: 3KB