2024-05-13_f8e498f7ef91b38ba87895af95913fd1_bkransomware_buzus

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General

Target

2024-05-13_f8e498f7ef91b38ba87895af95913fd1_bkransomware_buzus
Size

1.3MB
MD5

f8e498f7ef91b38ba87895af95913fd1
SHA1

9e70434b62717fad45527dae2b59e88296a81ea8
SHA256

06c1a7cff1d032e3557a3787f9e633949d667d9e2d9ac8922ebc70d90e117d71
SHA512

fafc0a6c6e95b66a157bf4651fa8130fd41db04a66896027557f71e2ec4d930ce1c77b915adaaf8d2cbca7701d85b6af925f959a23b2a2efad000d96146f7249
SSDEEP

24576:/rKqlGCPcJKwybUDwEZZODYmR9G+gnbkk6XRJfe3DqYO/KpLwFfngWX4VmJPakx:/rKo4ZwCOnYjVmJPay

Score

1^/10

Malware Config

Signatures

Files

2024-05-13_f8e498f7ef91b38ba87895af95913fd1_bkransomware_buzus
.exe windows:6 windows x86 arch:x86

25ede10343b691ef6250a90568027455

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

07-06-2005 08:09

Not After

30-05-2020 10:48

Subject

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

24-08-2011 00:00

Not After

30-05-2020 10:48

Subject

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

c3:02:22:bf:83:b5:ae:2c:b6:66:e5:13:80:d1:16:46
Certificate

Issuer

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

23-05-2014 00:00

Not After

23-05-2015 23:59

Subject

CN=Digital Plugin SL,O=Digital Plugin SL,POSTALCODE=38670,STREET=Calle el Pozo 17B,L=Adeje,ST=Santa Cruz de Tenerife,C=ES

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

a6:0b:64:1b:4c:ce:c3:25:8b:40:7f:43:c0:8e:27:6b:ec:fb:23:bc
Signer

Actual PE Digest

a6:0b:64:1b:4c:ce:c3:25:8b:40:7f:43:c0:8e:27:6b:ec:fb:23:bc

Digest Algorithm

sha1

PE Digest Matches

true

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

kernel32

GetLastError
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
GetCurrentProcess
GetModuleFileNameW
WideCharToMultiByte
TerminateProcess
ResumeThread
CreateProcessA
GetThreadContext
VirtualAlloc
VirtualAllocEx
VirtualFreeEx
RaiseException
WriteProcessMemory
FindResourceExW
FreeLibrary
GetModuleFileNameA
GetModuleHandleW
GetProcAddress
LoadResource
LockResource
SizeofResource
LoadLibraryW
FindResourceW
MultiByteToWideChar
FreeConsole
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
LocalFree
DecodePointer
CheckRemoteDebuggerPresent
ReadProcessMemory
IsDebuggerPresent
CreateFileW
WriteConsoleW
SetFilePointerEx
SetStdHandle
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetStringTypeW
GetCommandLineW
EncodePointer
RtlUnwind
SetLastError
GetCurrentThreadId
ExitProcess
GetModuleHandleExW
GetStdHandle
GetFileType
GetStartupInfoW
WriteFile
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
IsProcessorFeaturePresent
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
LoadLibraryExW
LCMapStringW
CloseHandle

advapi32

RegOpenKeyExW
RegCloseKey
RegQueryValueExW

ole32

CoSetProxyBlanket
CoCreateInstance
CoInitializeSecurity
CoInitializeEx

oleaut32

SysAllocStringByteLen
SysStringByteLen
SysFreeString
VariantClear

shlwapi

PathFindFileNameW

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 389KB - Virtual size: 388KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 874KB - Virtual size: 873KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

25ede10343b691ef6250a90568027455

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4bCertificate

Key Usages

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bbCertificate

Extended Key Usages

Key Usages

c3:02:22:bf:83:b5:ae:2c:b6:66:e5:13:80:d1:16:46Certificate

Extended Key Usages

Key Usages

a6:0b:64:1b:4c:ce:c3:25:8b:40:7f:43:c0:8e:27:6b:ec:fb:23:bcSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ole32

oleaut32

shlwapi

Sections

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

.rdata Size: 389KB - Virtual size: 388KB

.data Size: 5KB - Virtual size: 13KB

.rsrc Size: 874KB - Virtual size: 873KB

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

c3:02:22:bf:83:b5:ae:2c:b6:66:e5:13:80:d1:16:46
Certificate

a6:0b:64:1b:4c:ce:c3:25:8b:40:7f:43:c0:8e:27:6b:ec:fb:23:bc
Signer

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

.rdata
Size: 389KB - Virtual size: 388KB

.data
Size: 5KB - Virtual size: 13KB

.rsrc
Size: 874KB - Virtual size: 873KB