Static task
static1
General
-
Target
OTC.dll
-
Size
2.8MB
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MD5
c0c4bbe016781ac01a9603a31d8ab662
-
SHA1
f2303096898924747b15b0deae95747f300f758b
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SHA256
6d49a0fe1333e228df29ed6a2c239d0bbf641f1291ed88e2311dd48da431161e
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SHA512
5900a1ef8b1ed55e2d3f89510b760a56824d95f8d0ad0b162b6751bf2f4363d7df45b6e3f621c7d3e6231670c74ce8a88f87838108ca1a80fdbf7b1b9fcba56a
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SSDEEP
49152:a07kO4Ybv7gBUFT9rk+xnlEp3kTVqfy/lGuaiucb2sdcdk3YZ/8/RRLMSaYzRAxI:a8kO4Yr8BcBrNxnlECTkfy/0uaiucb21
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource OTC.dll
Files
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OTC.dll.dll windows:6 windows x86 arch:x86
efc68561fb543ed2ea556bcc5108cc7f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
FreeLibraryAndExitThread
ExitThread
ExitProcess
GetCurrentProcess
VirtualFree
GetModuleHandleA
LoadLibraryA
K32GetModuleInformation
GetProcAddress
SetUnhandledExceptionFilter
VirtualAlloc
GetVersionExW
Sleep
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
UnhandledExceptionFilter
advapi32
RegOpenKeyExW
RegCloseKey
msvcp140
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PAD1AAPAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
?always_noconv@codecvt_base@std@@QBE_NXZ
??Bid@locale@std@@QAEIXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@K@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAVios_base@1@AAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?_Xinvalid_argument@std@@YAXPBD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
?uncaught_exceptions@std@@YAHXZ
??0_Lockit@std@@QAE@H@Z
??1_Lockit@std@@QAE@XZ
?_Xlength_error@std@@YAXPBD@Z
?_Xout_of_range@std@@YAXPBD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
ntdll
NtResumeThread
NtProtectVirtualMemory
NtClose
NtAllocateVirtualMemory
NtSuspendThread
NtQuerySystemInformation
NtFlushInstructionCache
NtGetContextThread
NtOpenThread
NtFreeVirtualMemory
NtSetContextThread
vcruntime140
memchr
memmove
__std_type_info_destroy_list
_except_handler4_common
__CxxFrameHandler3
__std_exception_destroy
__std_exception_copy
__std_terminate
memcpy
memset
__current_exception
__current_exception_context
_CxxThrowException
api-ms-win-crt-string-l1-1-0
strncpy
api-ms-win-crt-runtime-l1-1-0
_initterm
_invalid_parameter_noinfo_noreturn
_initterm_e
terminate
_cexit
_crt_atexit
_execute_onexit_table
_errno
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_seh_filter_dll
_configure_narrow_argv
api-ms-win-crt-stdio-l1-1-0
fflush
fclose
_get_stream_buffer_pointers
fgetc
_fseeki64
fread
fsetpos
fwrite
ungetc
setvbuf
fgetpos
fputc
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-convert-l1-1-0
strtol
api-ms-win-crt-heap-l1-1-0
free
malloc
_callnewh
Sections
.text Size: 1002KB - Virtual size: 1002KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.8MB - Virtual size: 1.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ