AppVDllSurrogate32.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-25_4d75ff1f5833a64c4ec7b461a34ea223_bkransomware.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-25_4d75ff1f5833a64c4ec7b461a34ea223_bkransomware.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-25_4d75ff1f5833a64c4ec7b461a34ea223_bkransomware
-
Size
3.8MB
-
MD5
4d75ff1f5833a64c4ec7b461a34ea223
-
SHA1
652c7a50dbf0d23523e0ec35706536e8d6ca369d
-
SHA256
e7b071b5bee8500d5b632d03861c9abfd1191bd04bd86e2abef1b3ba22ddeabc
-
SHA512
3904c58daaef4864b7d1192a80d84d3ab57d4bbcf8720367671fdd75100ff92dc48e6f4f675484c7056ef23d941a5fadee8b5b2dd472a9b00c7495d632dca927
-
SSDEEP
49152:JxmDta41DkYOMwwnMb4PmyVrIgjdsk9WnOQHdJJ8y5VccY/u:7CqYOXwnS4rVMgjOk9WO68it5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-25_4d75ff1f5833a64c4ec7b461a34ea223_bkransomware
Files
-
2024-04-25_4d75ff1f5833a64c4ec7b461a34ea223_bkransomware.exe windows:6 windows x86 arch:x86
907cf5b9c00c513e347b1bb4516c2816
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
kernel32
DeleteCriticalSection
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
DecodePointer
GetModuleHandleW
GetProcAddress
GetLastError
GetSystemTimeAsFileTime
InitializeCriticalSectionEx
GetCurrentThreadId
Sleep
QueryPerformanceCounter
IsProcessorFeaturePresent
EncodePointer
OutputDebugStringW
IsDebuggerPresent
GetCurrentProcessId
GetLocalTime
advapi32
RegOpenKeyExW
RegQueryValueExW
EventWrite
RegCloseKey
ole32
CoGetClassObject
CoReleaseMarshalData
CoInitializeEx
CoMarshalInterface
CoRegisterSurrogate
CoInitializeSecurity
CoUninitialize
CoRevokeClassObject
CoFreeUnusedLibraries
CLSIDFromString
CoRegisterClassObject
msvcp120
?_Syserror_map@std@@YAPBDH@Z
?_BADOFF@std@@3_JB
?_Xbad_alloc@std@@YAXXZ
?_Xout_of_range@std@@YAXPBD@Z
?_Xlength_error@std@@YAXPBD@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV01@J@Z
??0?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IAE@XZ
??0?$basic_iostream@_WU?$char_traits@_W@std@@@std@@QAE@PAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@@Z
??0?$basic_ios@_WU?$char_traits@_W@std@@@std@@IAE@XZ
?_Pninc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IAEPA_WXZ
?setp@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IAEXPA_W0@Z
?setg@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IAEXPA_W00@Z
?_Winerror_map@std@@YAPBDH@Z
??1?$basic_iostream@_WU?$char_traits@_W@std@@@std@@UAE@XZ
??1?$basic_ostream@_WU?$char_traits@_W@std@@@std@@UAE@XZ
??1?$basic_ios@_WU?$char_traits@_W@std@@@std@@UAE@XZ
?imbue@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEXABVlocale@2@@Z
?sync@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEHXZ
?setbuf@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEPAV12@PA_W_J@Z
?xsputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAE_JPB_W_J@Z
?xsgetn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAE_JPA_W_J@Z
?uflow@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEGXZ
?showmanyc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAE_JXZ
?_Unlock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UAEXXZ
?_Lock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UAEXXZ
??1?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UAE@XZ
?uncaught_exception@std@@YA_NXZ
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QAE_JPB_W_J@Z
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QAEG_W@Z
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV12@XZ
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEXXZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QAEXH_N@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV01@K@Z
??0?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAE@PAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@_N@Z
?put@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV12@_W@Z
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QBE_WD@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
?exceptions@ios_base@std@@QAEXH@Z
msvcr120
_stricmp
memmove
free
_purecall
??2@YAPAXI@Z
_wcsicmp
_wtoi
iswdigit
swprintf_s
memset
_lock
_unlock
_calloc_crt
__dllonexit
_onexit
??1type_info@@UAE@XZ
_XcptFilter
_amsg_exit
__wgetmainargs
__set_app_type
exit
_exit
_cexit
_configthreadlocale
__setusermatherr
_initterm_e
_initterm
__winitenv
_fmode
_commode
?terminate@@YAXXZ
_crt_debugger_hook
__crtUnhandledException
__crtTerminateProcess
_except_handler4_common
__crtSetUnhandledExceptionFilter
_invoke_watson
_controlfp_s
??3@YAXPAX@Z
__CxxFrameHandler3
_CxxThrowException
memcpy
Sections
.text Size: 65KB - Virtual size: 65KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 95KB - Virtual size: 94KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ