2024-10-03_fd355d89be5b9e5de88d1b29eb9c7f43_bkransomware

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General

Target

2024-10-03_fd355d89be5b9e5de88d1b29eb9c7f43_bkransomware
Size

2.4MB
MD5

fd355d89be5b9e5de88d1b29eb9c7f43
SHA1

c50f9c5bb83afb5b0bfc70c7aa78ba7d051b21a2
SHA256

ab99222c187301fa993021a48bb762f8d366ea35ec1ec129f8e772bea4b6ec3e
SHA512

ffcf2fd788f9b854548b54cf892be06c950a8cca4740bcdf36f0fddb40ec02e9301b8ce92a4a2fdcc1c04cf32f49bbd3a354371f42b1401db2389d17cb6b104d
SSDEEP

49152:teODMJJ8y5/v9MgOUopWClKzoQ0g7mM+M6RkMkIM7I067W:teR8q9/bDCM+M6RkMkIM7R

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-03_fd355d89be5b9e5de88d1b29eb9c7f43_bkransomware

Files

2024-10-03_fd355d89be5b9e5de88d1b29eb9c7f43_bkransomware
.exe windows:5 windows x86 arch:x86

92f377bec2fd08bb16ed274dff1cdbcc

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

c:\builds\moz2_slave\rel-m-rel-w32_bld-000000000000\build\obj-firefox\ipc\app\plugin-container.pdb

Imports

kernel32

InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
WaitForSingleObject
Sleep
RaiseException
IsDebuggerPresent
GetCurrentThreadId
CloseHandle
TlsGetValue
TlsSetValue
TlsAlloc
TlsFree
QueryPerformanceCounter
GetSystemTimeAsFileTime
QueryPerformanceFrequency
GetNativeSystemInfo
GetVersionExW
GetModuleFileNameW
SetHandleInformation
VirtualFree
GetProcessHandleCount
GetCurrentProcessId
FreeLibrary
HeapSetInformation
GetCurrentDirectoryW
GetFileType
SignalObjectAndWait
CreateFileW
WriteConsoleW
SetStdHandle
SetFilePointerEx
GetConsoleMode
GetConsoleCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetModuleHandleExW
SetLastError
GetVolumeInformationW
LocalFree
GetLastError
GetSystemDirectoryW
GetComputerNameW
TerminateProcess
ExpandEnvironmentStringsW
LoadLibraryExA
GetModuleHandleA
VirtualAllocEx
VirtualProtectEx
GetProcAddress
VerifyVersionInfoW
FlushInstructionCache
GetModuleHandleW
SetEnvironmentVariableW
GetCurrentProcess
VerSetConditionMask
SetDllDirectoryW
GetEnvironmentVariableW
ReleaseActCtx
MultiByteToWideChar
CreateActCtxW
VirtualQuery
GetCommandLineW
HeapFree
EncodePointer
DecodePointer
HeapAlloc
HeapReAlloc
IsProcessorFeaturePresent
LoadLibraryExW
ExitProcess
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetStartupInfoW
WriteFile
GetEnvironmentStringsW
FreeEnvironmentStringsW
HeapSize
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
RtlUnwind
OutputDebugStringW

winmm

timeGetTime

advapi32

RegCloseKey
RegOpenKeyExW
RevertToSelf
RegDisablePredefinedCache
GetLengthSid
OpenProcessToken
ConvertStringSidToSidW
SetTokenInformation
ConvertSidToStringSidW
LookupAccountNameW

Exports

Exports

?ProvideLogFunction@sandboxing@mozilla@@YAXP6AXPBD00_NI@Z@Z
?moz_Xinvalid_argument@std@@YAXPBD@Z
?moz_Xlength_error@std@@YAXPBD@Z
?moz_Xout_of_range@std@@YAXPBD@Z
?moz_Xoverflow_error@std@@YAXPBD@Z
?moz_Xruntime_error@std@@YAXPBD@Z
?mozalloc_abort@@YAXQBD@Z
?mozalloc_handle_oom@@YAXI@Z
?mozalloc_set_oom_abort_handler@@YAXP6AXI@Z@Z
IsSandboxedProcess
_TargetCreateNamedPipeW@36
_TargetCreateProcessA@44
_TargetCreateProcessW@44
_TargetGdiDllInitialize@12
_TargetGetStockObject@8
_TargetNtCreateEvent@24
_TargetNtCreateFile@48
_TargetNtCreateKey@32
_TargetNtMapViewOfSection@44
_TargetNtOpenEvent@16
_TargetNtOpenFile@28
_TargetNtOpenKey@16
_TargetNtOpenKeyEx@20
_TargetNtOpenProcess@20
_TargetNtOpenProcessToken@16
_TargetNtOpenProcessTokenEx@20
_TargetNtOpenThread@20
_TargetNtOpenThreadToken@20
_TargetNtOpenThreadTokenEx@24
_TargetNtQueryAttributesFile@12
_TargetNtQueryFullAttributesFile@12
_TargetNtSetInformationFile@24
_TargetNtSetInformationThread@20
_TargetNtUnmapViewOfSection@12
_TargetRegisterClassW@8
g_handles_to_close
g_interceptions
g_nt
g_originals
g_shared_IPC_size
g_shared_delayed_integrity_level
g_shared_delayed_mitigations
g_shared_policy_size
g_shared_section
moz_xcalloc
moz_xmalloc
moz_xrealloc
moz_xstrdup

Sections

.text
Size: 137KB - Virtual size: 136KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 108KB - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

92f377bec2fd08bb16ed274dff1cdbcc

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

winmm

advapi32

Exports

Exports

Sections

.text Size: 137KB - Virtual size: 136KB

.rdata Size: 108KB - Virtual size: 107KB

.data Size: 6KB - Virtual size: 17KB

.rsrc Size: 3KB - Virtual size: 2KB

.reloc Size: 9KB - Virtual size: 8KB

.text
Size: 137KB - Virtual size: 136KB

.rdata
Size: 108KB - Virtual size: 107KB

.data
Size: 6KB - Virtual size: 17KB

.rsrc
Size: 3KB - Virtual size: 2KB

.reloc
Size: 9KB - Virtual size: 8KB