AppVShNotify.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-20_8fe3ce1f54f10ac192aff62a6bc83d8f_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-20_8fe3ce1f54f10ac192aff62a6bc83d8f_bkransomware.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-08-20_8fe3ce1f54f10ac192aff62a6bc83d8f_bkransomware
-
Size
1.8MB
-
MD5
8fe3ce1f54f10ac192aff62a6bc83d8f
-
SHA1
c664f83c40e36f0e9ce3d5dfe1e891b61e1afb96
-
SHA256
50e4bdeadda49c080925a6c7ed9e9b4229fdcc5cf64bb392ddc36d36b9dcf072
-
SHA512
b04a3fc644405cd17de407c816b67fcce80c94222f0b14298dae4d297aef2ac1a0f3689c8525895322a3bd808d1a7284c1e5d26ca7be0b75c842cd63e03991a2
-
SSDEEP
24576:KLfUS2pLfUyss86TYvLfU954GXUk14xzfadB3I2:KLfUvLfUyss1TuLfU9HUk1oydB3I2
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-20_8fe3ce1f54f10ac192aff62a6bc83d8f_bkransomware
Files
-
2024-08-20_8fe3ce1f54f10ac192aff62a6bc83d8f_bkransomware.exe windows:6 windows x64 arch:x64
962ded2e727f180e5b6d49d6a8ebc365
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
kernel32
SubmitThreadpoolWork
DecodePointer
InitializeCriticalSectionEx
CreateThreadpoolWork
CloseThreadpoolWork
GetCurrentProcessId
GetLocalTime
LocalFree
HeapReAlloc
HeapAlloc
GetCurrentProcess
HeapFree
GetModuleHandleW
GetCurrentThread
GetProcessHeap
Sleep
HeapDestroy
GetProcAddress
HeapSize
CloseHandle
EncodePointer
IsDebuggerPresent
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
OutputDebugStringW
DebugBreak
GetCurrentThreadId
DeleteCriticalSection
CloseThreadpool
HeapSetInformation
SetThreadpoolThreadMinimum
EnterCriticalSection
CloseThreadpoolCleanupGroupMembers
CreateThreadpoolCleanupGroup
GetLastError
LeaveCriticalSection
SetThreadpoolThreadMaximum
CreateThreadpool
InitializeCriticalSection
CloseThreadpoolCleanupGroup
user32
DispatchMessageW
GetMessageW
TranslateMessage
advapi32
GetLengthSid
GetSecurityDescriptorSacl
AddAce
InitializeSid
GetSidLengthRequired
IsValidSid
GetSecurityDescriptorOwner
SetSecurityDescriptorOwner
InitializeAcl
MakeAbsoluteSD
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
EventUnregister
EventRegister
CopySid
EventWrite
GetAclInformation
GetTokenInformation
SetSecurityDescriptorGroup
OpenThreadToken
GetSidSubAuthority
OpenProcessToken
GetSecurityDescriptorGroup
ConvertSidToStringSidW
ole32
CoInitializeEx
CoCreateInstance
CoUninitialize
msvcp120
?_Getcvt@_Locinfo@std@@QEBA?AU_Cvtvec@@XZ
??1_Locinfo@std@@QEAA@XZ
??0_Locinfo@std@@QEAA@PEBD@Z
?_Getlconv@_Locinfo@std@@QEBAPEBUlconv@@XZ
?_Getfalse@_Locinfo@std@@QEBAPEBDXZ
?_Gettrue@_Locinfo@std@@QEBAPEBDXZ
??1_Facet_base@std@@UEAA@XZ
??Bid@locale@std@@QEAA_KXZ
?_Incref@facet@locale@std@@UEAAXXZ
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
??0facet@locale@std@@IEAA@_K@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@_K@Z
??_7_Facet_base@std@@6B@
_Mbrtowc
??_7facet@locale@std@@6B@
?classic@locale@std@@SAAEBV12@XZ
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?id@?$numpunct@_W@std@@2V0locale@2@A
?exceptions@ios_base@std@@QEAAXH@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@K@Z
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
?put@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@_W@Z
??1?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAGXZ
?xsgetn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEA_W_J@Z
?xsputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEB_W_J@Z
?setbuf@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAPEAV12@PEA_W_J@Z
?sync@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_ios@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
??1?$basic_ostream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@H@Z
??1?$basic_iostream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?setg@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXPEA_W00@Z
?setp@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXPEA_W0@Z
?_Pninc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAPEA_WXZ
??0?$basic_ios@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
??0?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@_N@Z
??0?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
??0?$basic_iostream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@@Z
?uncaught_exception@std@@YA_NXZ
?_BADOFF@std@@3_JB
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?_Orphan_all@_Container_base0@std@@QEAAXXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
?_Xbad_alloc@std@@YAXXZ
?_Syserror_map@std@@YAPEBDH@Z
?_Winerror_map@std@@YAPEBDH@Z
??1facet@locale@std@@MEAA@XZ
msvcr120
__crtSetUnhandledExceptionFilter
?_type_info_dtor_internal_method@type_info@@QEAAXXZ
memset
memmove_s
_wcsicmp
calloc
malloc
_resetstkoflw
memcpy_s
__crtCapturePreviousContext
__crtTerminateProcess
__crtUnhandledException
__crt_debugger_hook
_commode
_fmode
_wcmdln
_initterm
_initterm_e
__setusermatherr
_configthreadlocale
_cexit
_exit
exit
__CxxFrameHandler3
__set_app_type
__wgetmainargs
_amsg_exit
__crtGetShowWindowMode
_XcptFilter
_onexit
__C_specific_handler
__dllonexit
_calloc_crt
_unlock
_lock
free
??0bad_cast@std@@QEAA@AEBV01@@Z
??0bad_cast@std@@QEAA@PEBD@Z
??1bad_cast@std@@UEAA@XZ
swprintf_s
??_V@YAXPEAX@Z
iswdigit
_wtoi
??2@YAPEAX_K@Z
?terminate@@YAXXZ
strrchr
??3@YAXPEAX@Z
_purecall
memmove
??0exception@std@@QEAA@AEBV01@@Z
??0exception@std@@QEAA@AEBQEBDH@Z
??1exception@std@@UEAA@XZ
?what@exception@std@@UEBAPEBDXZ
_stricmp
_CxxThrowException
memcmp
memcpy
rpcrt4
NdrServerCall2
RpcServerUseProtseqEpW
RpcServerUnregisterIf
RpcServerRegisterAuthInfoW
RpcServerRegisterIf2
RpcImpersonateClient
RpcBindingInqAuthClientW
RpcServerListen
RpcRevertToSelf
shell32
SHCreateItemFromParsingName
SHChangeNotify
userenv
UnloadUserProfile
Sections
.text Size: 100KB - Virtual size: 99KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 153KB - Virtual size: 152KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ