2024-04-28_9f54ea2c490ff6655b80fc8658a5b6d5_bkransomware_cobalt-strike

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General

Target

2024-04-28_9f54ea2c490ff6655b80fc8658a5b6d5_bkransomware_cobalt-strike
Size

631KB
MD5

9f54ea2c490ff6655b80fc8658a5b6d5
SHA1

998285a79780f201519994fc97c4bfc32e242859
SHA256

08a095c9b7f73032aa4380501a5f8b28bbd4b42daadcec2e4e404afaad5e2f47
SHA512

96bbbe68e0b86b6137771336709d430da8b1600ed68256dd9211a60ce268f9f42e11c7a6961cb4af4361da35afaecab7585694d818821c6ba314b2849985ad73
SSDEEP

6144:PDRMxppSSVridF55EGOaJhaQXgFIaUHQWWiNLsqEIvooEE0WgpgaOM9JoQHYUNk0:PDGxppI1wQwFXQWiNKGu4Iv

Score

1^/10

Malware Config

Signatures

Files

2024-04-28_9f54ea2c490ff6655b80fc8658a5b6d5_bkransomware_cobalt-strike
.exe windows:5 windows x86 arch:x86

bc6227cc297eafe8b983449b17c815c6

Code Sign

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

98:b9:55:1b:08:1d:e5:33:31:56:f7:bf:d0:cf:52:a4
Certificate

Issuer

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

Not Before

21/12/2021, 00:00

Not After

20/12/2024, 23:59

Subject

CN=Fidelity National Information Services,O=Fidelity National Information Services,ST=Florida,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

68:d6:7d:05:b8:cc:98:9f:d8:70:a4:82:14:63:08:0f:a7:18:d5:a7:c1:45:76:8e:96:e8:9b:f7:39:77:62:34
Signer

Actual PE Digest

68:d6:7d:05:b8:cc:98:9f:d8:70:a4:82:14:63:08:0f:a7:18:d5:a7:c1:45:76:8e:96:e8:9b:f7:39:77:62:34

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

setup.pdb

Imports

kernel32

GetNativeSystemInfo
EndUpdateResourceW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
SetEvent
CreateEventW
LoadResource
LockResource
SizeofResource
FindResourceW
GetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
DeleteFileW
GetFileAttributesW
GetTempFileNameW
ReadFile
GetTempPathW
GetCurrentProcess
OpenProcess
GetSystemDirectoryW
GetWindowsDirectoryW
GetVersionExW
GetModuleFileNameW
GlobalAlloc
GlobalFree
LocalFree
FormatMessageW
CopyFileW
GetDateFormatW
GetTimeFormatW
CompareStringW
WideCharToMultiByte
GetVersion
GetModuleHandleW
RaiseException
InitializeCriticalSectionAndSpinCount
GetCurrentProcessId
Sleep
HeapSetInformation
SetFilePointer
GetDiskFreeSpaceExW
CreateFileW
DeleteCriticalSection
CreateThread
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
lstrlenW
SetEndOfFile
MulDiv
GetTickCount
GetExitCodeProcess
LoadLibraryW
GetSystemInfo
SwitchToThread
FindNextFileW
UpdateResourceA
BeginUpdateResourceA
FindResourceA
lstrlenA
DeleteFileA
CreateFileA
UpdateResourceW
BeginUpdateResourceW
GetEnvironmentVariableA
ReadConsoleW
WriteConsoleW
SetStdHandle
HeapReAlloc
LCMapStringW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
OutputDebugStringW
LoadLibraryExW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetStringTypeW
HeapSize
GetOEMCP
GetACP
IsValidCodePage
IsDebuggerPresent
IsProcessorFeaturePresent
HeapAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
FindFirstFileW
FindClose
GetProcAddress
FreeLibrary
WaitForSingleObject
GetLastError
CloseHandle
WriteFile
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
LoadLibraryExA
GetCommandLineW
RtlUnwind
GetCPInfo
HeapFree
SetLastError
GetCurrentThreadId
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
GetProcessHeap
GetStdHandle
GetFileType

gdi32

GetStockObject
EnumFontFamiliesExW
DeleteObject
CreateFontIndirectW
GetObjectW
GetTextMetricsW
SelectObject
GetTextExtentPoint32W
GetDeviceCaps
DeleteDC
CreateCompatibleDC

ole32

CoUninitialize
CoInitialize

secur32

GetComputerObjectNameW

shell32

ShellExecuteExW
SHGetMalloc
SHGetPathFromIDListW
SHGetSpecialFolderLocation
ShellExecuteW
ShellExecuteA

user32

SystemParametersInfoW
IsDialogMessageW
LoadImageW
LoadIconW
LoadCursorW
SetClassLongW
ScreenToClient
GetWindowRect
GetClientRect
SetWindowTextW
ShowScrollBar
SetForegroundWindow
EnableWindow
GetFocus
SetFocus
SendDlgItemMessageW
SetDlgItemTextW
GetDlgItem
CreateDialogIndirectParamW
CreateDialogParamW
MoveWindow
ShowWindow
DestroyWindow
SendMessageW
SendMessageA
PeekMessageW
DispatchMessageW
TranslateMessage
ExitWindowsEx
MessageBoxW
ReleaseDC
GetDC
DrawTextW
GetSystemMetrics
GetDialogBaseUnits
MessageBoxA
SetCursor
MsgWaitForMultipleObjects

crypt32

CertGetCertificateChain
CertFreeCertificateChain
CertVerifyCertificateChainPolicy

wininet

InternetCrackUrlW
InternetCombineUrlW

msi

ord8
ord78
ord150
ord92

Exports

Exports

_DecodePointerInternal@4
_EncodePointerInternal@4

Sections

.text
Size: 323KB - Virtual size: 323KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 270KB - Virtual size: 269KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bc6227cc297eafe8b983449b17c815c6

Code Sign

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

Extended Key Usages

Key Usages

98:b9:55:1b:08:1d:e5:33:31:56:f7:bf:d0:cf:52:a4Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

Extended Key Usages

Key Usages

68:d6:7d:05:b8:cc:98:9f:d8:70:a4:82:14:63:08:0f:a7:18:d5:a7:c1:45:76:8e:96:e8:9b:f7:39:77:62:34Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

gdi32

ole32

secur32

shell32

user32

crypt32

wininet

msi

Exports

Exports

Sections

.text Size: 323KB - Virtual size: 323KB

.data Size: 8KB - Virtual size: 17KB

.idata Size: 5KB - Virtual size: 5KB

.rsrc Size: 270KB - Virtual size: 269KB

.reloc Size: 14KB - Virtual size: 13KB

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

98:b9:55:1b:08:1d:e5:33:31:56:f7:bf:d0:cf:52:a4
Certificate

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

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

68:d6:7d:05:b8:cc:98:9f:d8:70:a4:82:14:63:08:0f:a7:18:d5:a7:c1:45:76:8e:96:e8:9b:f7:39:77:62:34
Signer

.text
Size: 323KB - Virtual size: 323KB

.data
Size: 8KB - Virtual size: 17KB

.idata
Size: 5KB - Virtual size: 5KB

.rsrc
Size: 270KB - Virtual size: 269KB

.reloc
Size: 14KB - Virtual size: 13KB