2024-05-22_0a93b9bd9d358259a8ffbd7c7b7769fc_bkransomware_floxif

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General

Target

2024-05-22_0a93b9bd9d358259a8ffbd7c7b7769fc_bkransomware_floxif
Size

382KB
MD5

0a93b9bd9d358259a8ffbd7c7b7769fc
SHA1

36a2fc93dc041ed7bced94a917ef307d1b7b71ce
SHA256

a8bf9b87cf27f9511b3502af03168e981c90d0eab8a9debbaacc1c1509870e68
SHA512

09cfd3e5936e3dd3c53f61b0210a16e6f3633fd1c7e543b192cb27bb9a4e4b470e16886d703f3e916f4e954e355b18a46a7ef098addabb9c3afc3fe2a11809eb
SSDEEP

6144:BKXseXEdB4FdjSvYqWdM4hOBV+UdvrEFp7hKptP:EseXjzX6BjvrEH7AtP

Score

1^/10

Malware Config

Signatures

Files

2024-05-22_0a93b9bd9d358259a8ffbd7c7b7769fc_bkransomware_floxif
.exe windows:5 windows x86 arch:x86

4f91d3b940be88c33827931a94b9bb0f

Code Sign

33:00:00:00:9a:9a:9b:16:c2:83:da:d5:c2:00:00:00:00:00:9a
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

30/03/2016, 19:21

Not After

30/06/2017, 19:21

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:B1B7-F67F-FEC2,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/06/2015, 17:42

Not After

04/09/2016, 17:42

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

28/10/2015, 20:31

Not After

28/01/2017, 20:31

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

59:f9:4b:58:1d:b0:a1:ee:53:3b:72:39:71:41:d9:f6:19:65:11:94:ba:74:14:f7:23:ec:66:23:81:26:c4:d1
Signer

Actual PE Digest

59:f9:4b:58:1d:b0:a1:ee:53:3b:72:39:71:41:d9:f6:19:65:11:94:ba:74:14:f7:23:ec:66:23:81:26:c4:d1

Digest Algorithm

sha256

PE Digest Matches

false

61:dc:5f:a4:6b:15:15:f0:3d:8c:38:5c:1e:e1:df:10:62:5d:85:d1
Signer

Actual PE Digest

61:dc:5f:a4:6b:15:15:f0:3d:8c:38:5c:1e:e1:df:10:62:5d:85:d1

Digest Algorithm

sha1

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

pdh

PdhGetFormattedCounterValue
PdhCloseQuery
PdhCollectQueryData
PdhAddCounterW
PdhOpenQueryW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

netapi32

NetServerEnum
NetApiBufferFree

ws2_32

inet_ntoa
WSAStartup
gethostname
gethostbyname

mpr

WNetCancelConnection2W
WNetAddConnection2W

kernel32

GetCommandLineW
GetModuleFileNameW
LockResource
FreeLibrary
GetCurrentProcess
GetLastError
SetLastError
WaitForSingleObject
Sleep
LoadResource
SizeofResource
WriteFile
CloseHandle
GetTickCount
FormatMessageA
GetModuleHandleW
FindResourceW
GetSystemDirectoryW
CreateFileW
DeleteFileW
GetComputerNameW
MultiByteToWideChar
GetConsoleScreenBufferInfo
SetErrorMode
GetLogicalDrives
GetDriveTypeW
GetDiskFreeSpaceExW
GetVolumeInformationW
GetVersion
ReadFile
FileTimeToSystemTime
GetDateFormatW
GetStdHandle
LoadLibraryW
GetFileType
LocalFree
LocalAlloc
GetProcAddress
GetConsoleCP
RtlUnwind
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
SetEndOfFile
LCMapStringW
OutputDebugStringW
HeapSize
SetFilePointerEx
WriteConsoleW
ReadConsoleW
LoadLibraryExW
FlushFileBuffers
GetProcessHeap
GetStartupInfoW
TlsFree
TlsSetValue
RaiseException
LoadLibraryExA
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
WideCharToMultiByte
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleInputA
SetConsoleMode
EnterCriticalSection
LeaveCriticalSection
SetStdHandle
CreateThread
GetCurrentThreadId
ExitThread
HeapReAlloc
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
DeleteCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
TerminateProcess
TlsAlloc
TlsGetValue

comdlg32

PrintDlgW

advapi32

OpenSCManagerW
RegQueryInfoKeyW
RegEnumValueW
RegEnumKeyExW
RegEnumKeyW
StartServiceW
QueryServiceStatus
OpenServiceW
DeleteService
CreateServiceW
ControlService
CloseServiceHandle
RegConnectRegistryW
ImpersonateLoggedOnUser
LogonUserW
RevertToSelf
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegOpenKeyW
RegCreateKeyW
RegCloseKey

ole32

CoInitializeSecurity
CoCreateInstance
CoInitializeEx

oleaut32

SysAllocString
SysFreeString

Sections

.text
Size: 100KB - Virtual size: 100KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 120KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4f91d3b940be88c33827931a94b9bb0f

Code Sign

33:00:00:00:9a:9a:9b:16:c2:83:da:d5:c2:00:00:00:00:00:9aCertificate

Extended Key Usages

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0aCertificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

59:f9:4b:58:1d:b0:a1:ee:53:3b:72:39:71:41:d9:f6:19:65:11:94:ba:74:14:f7:23:ec:66:23:81:26:c4:d1Signer

61:dc:5f:a4:6b:15:15:f0:3d:8c:38:5c:1e:e1:df:10:62:5d:85:d1Signer

Headers

DLL Characteristics

File Characteristics

Imports

pdh

version

netapi32

ws2_32

mpr

kernel32

comdlg32

advapi32

ole32

oleaut32

Sections

.text Size: 100KB - Virtual size: 100KB

.rdata Size: 63KB - Virtual size: 62KB

.data Size: 5KB - Virtual size: 42KB

.rsrc Size: 120KB - Virtual size: 120KB

33:00:00:00:9a:9a:9b:16:c2:83:da:d5:c2:00:00:00:00:00:9a
Certificate

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

59:f9:4b:58:1d:b0:a1:ee:53:3b:72:39:71:41:d9:f6:19:65:11:94:ba:74:14:f7:23:ec:66:23:81:26:c4:d1
Signer

61:dc:5f:a4:6b:15:15:f0:3d:8c:38:5c:1e:e1:df:10:62:5d:85:d1
Signer

.text
Size: 100KB - Virtual size: 100KB

.rdata
Size: 63KB - Virtual size: 62KB

.data
Size: 5KB - Virtual size: 42KB

.rsrc
Size: 120KB - Virtual size: 120KB