2024-06-05_b490e7078d3888e0515fe205b1dfd6b0_bkransomware

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General

Target

2024-06-05_b490e7078d3888e0515fe205b1dfd6b0_bkransomware
Size

5.8MB
MD5

b490e7078d3888e0515fe205b1dfd6b0
SHA1

d99d1b45e5f7bbb63a867a797306204c26304684
SHA256

b9bd37953ebd8381e887a75b3d461ff20f7c268f3fb0c7469de8a8c02687a07f
SHA512

c472ab55f8bbe8d55a0a6a083c9c79bd52ae6c49be626e5e0ce1df591dcd57dac1b150eee2a3be0280d9b67443434a318fae5f06bc0f48a2069c312329196ee4
SSDEEP

98304:uoEkQ8utBOFzgeX4GbJ9tgf1qOCp10kOFajQFRDEHeow60aRE9wNV4b0KPDZJ0+B:93QZkFfXb7HnVODRQ+ow78rVKPDZO+S0

Score

1^/10

Malware Config

Signatures

Files

2024-06-05_b490e7078d3888e0515fe205b1dfd6b0_bkransomware
.exe windows:6 windows x86 arch:x86

c0c43f27a5350f8b2d4eaa34f4469794

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

25:5f:56:74:6a:fe:b1:03:8e:4e:e1:78:fc:e1:03:37
Certificate

Issuer

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Not Before

05/07/2019, 00:00

Not After

04/07/2020, 23:59

Subject

CN=METACHU LIMITED,O=METACHU LIMITED,L=Romford,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

25:5f:56:74:6a:fe:b1:03:8e:4e:e1:78:fc:e1:03:37
Certificate

Issuer

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Not Before

05/07/2019, 00:00

Not After

04/07/2020, 23:59

Subject

CN=METACHU LIMITED,O=METACHU LIMITED,L=Romford,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

62:07:7c:e2:08:f1:c9:dc:c5:34:3a:95:c3:6e:27:99:b5:83:f5:7a:c7:c5:d0:72:37:45:28:bf:fa:a8:34:83
Signer

Actual PE Digest

62:07:7c:e2:08:f1:c9:dc:c5:34:3a:95:c3:6e:27:99:b5:83:f5:7a:c7:c5:d0:72:37:45:28:bf:fa:a8:34:83

Digest Algorithm

sha256

PE Digest Matches

true

1e:02:7f:77:23:ea:0a:89:33:cc:05:df:4c:85:e7:58:04:5e:29:00
Signer

Actual PE Digest

1e:02:7f:77:23:ea:0a:89:33:cc:05:df:4c:85:e7:58:04:5e:29:00

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

CreateFileA
WriteFile
OpenProcess
GetTickCount
RaiseException
GetLastError
InitializeCriticalSectionEx
DeleteCriticalSection
GetProcAddress
DecodePointer
DeleteFileA
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
LoadLibraryA
RemoveDirectoryA
GetEnvironmentVariableA
LocalAlloc
LocalFree
lstrlenA
GetNativeSystemInfo
SetLastError
SizeofResource
CreateFileW
OutputDebugStringW
WriteConsoleW
SetStdHandle
LCMapStringW
SetFilePointerEx
ReadConsoleW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCurrentProcessId
QueryPerformanceCounter
GetModuleFileNameW
GetFileType
GetStdHandle
GetStringTypeW
FlushFileBuffers
GetConsoleMode
GetConsoleCP
LockResource
LoadResource
FindResourceA
FindClose
FindNextFileA
GetModuleFileNameA
FindFirstFileA
CloseHandle
CreateThread
GetCurrentThreadId
GetModuleHandleA
SetEndOfFile
Sleep
AreFileApisANSI
GetModuleHandleExW
ExitProcess
LeaveCriticalSection
EnterCriticalSection
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetModuleHandleW
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
GetCurrentProcess
InitializeCriticalSectionAndSpinCount
VirtualFree
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlUnwind
GetCommandLineA
LoadLibraryExW
GetSystemTimeAsFileTime
EncodePointer
IsProcessorFeaturePresent
IsDebuggerPresent
MultiByteToWideChar
lstrcatA
WideCharToMultiByte
FindResourceW
FindResourceExW
ReadFile
IsBadReadPtr
FreeLibrary
VirtualProtect
VirtualAlloc

user32

GetWindowRect
ReleaseDC
ScreenToClient
MoveWindow
GetDlgItem
EnableWindow
LoadImageA
GetDC
GetMessageA
MessageBoxA
WaitMessage
CreateDialogParamA
IsWindow
PostMessageA
DispatchMessageA
DestroyWindow
PeekMessageA
SendMessageA
wsprintfA
ShowWindow
AttachThreadInput
GetSystemMetrics
EnumWindows
GetClassNameA
GetWindowTextA
SetTimer
UpdateWindow
PostQuitMessage
SetWindowTextA

gdi32

GetDeviceCaps

advapi32

RegCloseKey
RegOpenKeyExA
RegEnumKeyExA
RegQueryInfoKeyA
RegQueryValueExA

shell32

SHGetSpecialFolderPathA

ole32

CoInitializeEx
CoInitializeSecurity
CoUninitialize
CoCreateInstance
CoTaskMemFree

shlwapi

PathFindFileNameA

wininet

HttpOpenRequestA
InternetQueryOptionA
InternetCloseHandle
InternetOpenA
InternetConnectA
InternetCrackUrlA
InternetSetOptionA
HttpSendRequestA
InternetReadFile
HttpQueryInfoA

psapi

EnumProcessModules
GetModuleBaseNameA
EnumProcesses

wtsapi32

WTSFreeMemory
WTSEnumerateProcessesA

oleaut32

SysFreeString
SysAllocString

Sections

.text
Size: 150KB - Virtual size: 149KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5.6MB - Virtual size: 5.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data
.rdata
.rsrc/BITMAP/131.bmp
.rsrc/BITMAP/137.bmp
.rsrc/DIALOG/130
.rsrc/DIALOG/136
.rsrc/GROUP_ICON/107
.rsrc/GROUP_ICON/132
.rsrc/GROUP_ICON/133
.rsrc/ICON/1.ico
.rsrc/ICON/2.ico
.rsrc/ICON/3.ico
.rsrc/MANIFEST/1
.rsrc/MULTIMEDIA/128
.rsrc/version.txt
.text
CERTIFICATE

Sharing

General

Malware Config

Signatures

Files

c0c43f27a5350f8b2d4eaa34f4469794

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

25:5f:56:74:6a:fe:b1:03:8e:4e:e1:78:fc:e1:03:37Certificate

Extended Key Usages

Key Usages

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cbCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

25:5f:56:74:6a:fe:b1:03:8e:4e:e1:78:fc:e1:03:37Certificate

Extended Key Usages

Key Usages

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cbCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

62:07:7c:e2:08:f1:c9:dc:c5:34:3a:95:c3:6e:27:99:b5:83:f5:7a:c7:c5:d0:72:37:45:28:bf:fa:a8:34:83Signer

1e:02:7f:77:23:ea:0a:89:33:cc:05:df:4c:85:e7:58:04:5e:29:00Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

shlwapi

wininet

psapi

wtsapi32

oleaut32

Sections

.text Size: 150KB - Virtual size: 149KB

.rdata Size: 49KB - Virtual size: 48KB

.data Size: 6KB - Virtual size: 13KB

.rsrc Size: 5.6MB - Virtual size: 5.6MB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

25:5f:56:74:6a:fe:b1:03:8e:4e:e1:78:fc:e1:03:37
Certificate

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

25:5f:56:74:6a:fe:b1:03:8e:4e:e1:78:fc:e1:03:37
Certificate

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

62:07:7c:e2:08:f1:c9:dc:c5:34:3a:95:c3:6e:27:99:b5:83:f5:7a:c7:c5:d0:72:37:45:28:bf:fa:a8:34:83
Signer

1e:02:7f:77:23:ea:0a:89:33:cc:05:df:4c:85:e7:58:04:5e:29:00
Signer

.text
Size: 150KB - Virtual size: 149KB

.rdata
Size: 49KB - Virtual size: 48KB

.data
Size: 6KB - Virtual size: 13KB

.rsrc
Size: 5.6MB - Virtual size: 5.6MB