Static task
static1
Behavioral task
behavioral1
Sample
fc.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
fc.exe
Resource
win10v2004-20230703-en
General
-
Target
fc.exe
-
Size
25KB
-
MD5
1c20087f983d01465fea3a33eab19370
-
SHA1
6e2061e02ef3c747046d269c55c2e78c4cbcbdc2
-
SHA256
c5b2fff1230c5cb4b7e62df2abdf65df25822e70d68d27a9a390016a3c3d5c04
-
SHA512
b5c4fa6d821863ea04dff43d49df6554458f6f0c7d9196894040ab2d5b2af1e551ca6e2ade2307c164d21f08f23cde0eee07e3fb2967f9e5b749d9e3abe95c64
-
SSDEEP
384:2G8ro6z17MBP1U2ID4kyqkXamW3TFPtX/tkYFYH6WpuWFYW:MrX7MwDiQF1XWE4V
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fc.exe
Files
-
fc.exe.exe windows x64
89bad98de0a45abd45afd0c86a8f82a6
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
HeapSetInformation
SetUnhandledExceptionFilter
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
GetTickCount
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
Sleep
msvcrt
_fmode
_commode
_initterm
__setusermatherr
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
sprintf_s
__C_specific_handler
?terminate@@YAXXZ
memmove
ulib
?QueryDirectory@SYSTEM@@SAPEAVFSN_DIRECTORY@@PEBVPATH@@E@Z
?IsValueSet@ARGUMENT@@QEAAEXZ
?Strcmpis@MBSTR@@SAHPEAD0@Z
?Strcmps@MBSTR@@SAHPEAD0@Z
?Stricmp@MBSTR@@SAHPEAD0@Z
?DebugDump@OBJECT@@UEBAXE@Z
?Compare@OBJECT@@UEBAJPEBV1@@Z
??1OBJECT@@UEAA@XZ
?SetCaseSensitive@ARGUMENT_LEXEMIZER@@QEAAXE@Z
?PrepareToParse@ARGUMENT_LEXEMIZER@@QEAAEPEAVWSTRING@@@Z
?PutSwitches@ARGUMENT_LEXEMIZER@@QEAAXPEBD@Z
?PutSeparators@ARGUMENT_LEXEMIZER@@QEAAXPEBD@Z
?DoParsing@ARGUMENT_LEXEMIZER@@QEAAEPEAVARRAY@@@Z
?Initialize@ARGUMENT_LEXEMIZER@@QEAAEPEAVARRAY@@@Z
??1ARGUMENT_LEXEMIZER@@UEAA@XZ
??0ARGUMENT_LEXEMIZER@@QEAA@XZ
?Initialize@STRING_ARGUMENT@@QEAAEPEAD@Z
??1STRING_ARGUMENT@@UEAA@XZ
??0STRING_ARGUMENT@@QEAA@XZ
?QueryFsnodeArray@FSN_DIRECTORY@@QEBAPEAVARRAY@@PEAVFSN_FILTER@@@Z
??0PROGRAM@@IEAA@XZ
?ValidateVersion@PROGRAM@@UEBAXKK@Z
?Usage@PROGRAM@@UEBAXXZ
??0FLAG_ARGUMENT@@QEAA@XZ
?GetStandardOutput@PROGRAM@@UEAAPEAVSTREAM@@XZ
?GetStandardInput@PROGRAM@@UEAAPEAVSTREAM@@XZ
?Fatal@PROGRAM@@UEBAXXZ
?Fatal@PROGRAM@@UEBAXKKPEADZZ
?DisplayMessage@PROGRAM@@UEBAEKW4MESSAGE_TYPE@@@Z
?DisplayMessage@PROGRAM@@UEBAEKW4MESSAGE_TYPE@@PEADZZ
??1PROGRAM@@UEAA@XZ
?Initialize@PROGRAM@@QEAAEKKK@Z
?QueryFile@SYSTEM@@SAPEAVFSN_FILE@@PEBVPATH@@EPEAE@Z
??0CLASS_DESCRIPTOR@@QEAA@XZ
?TruncateBase@PATH@@QEAAEXZ
?SetName@PATH@@QEAAEPEBVWSTRING@@@Z
?QueryWCExpansion@PATH@@QEAAPEAV1@PEAV1@@Z
?HasWildCard@PATH@@QEBAEXZ
??1PATH@@UEAA@XZ
?Initialize@PATH@@QEAAEPEBVWSTRING@@E@Z
?Initialize@PATH@@QEAAEPEBV1@E@Z
??0PATH@@QEAA@XZ
?SetAttributes@FSN_FILTER@@QEAAEKKK@Z
?SetFileName@FSN_FILTER@@QEAAEPEBVWSTRING@@@Z
?Initialize@FSN_FILTER@@QEAAEXZ
??1FSN_FILTER@@UEAA@XZ
??0FSN_FILTER@@QEAA@XZ
?FillAndReadByte@BYTE_STREAM@@AEAAEPEAE@Z
?Initialize@BYTE_STREAM@@QEAAEPEAVSTREAM@@K@Z
??1BYTE_STREAM@@UEAA@XZ
??0BYTE_STREAM@@QEAA@XZ
?Strcmpis@WSTRING@@SAHPEAG0@Z
?Strcmps@WSTRING@@SAHPEAG0@Z
?QueryNumber@WSTRING@@QEBAEPEAJKK@Z
?QueryString@WSTRING@@QEBAPEAV1@KK@Z
?Initialize@WSTRING@@QEAAEPEBDK@Z
??1FSTRING@@UEAA@XZ
?Initialize@FSTRING@@QEAAPEAVWSTRING@@PEAGK@Z
?Strupr@WSTRING@@QEAAPEAV1@XZ
?Stricmp@WSTRING@@QEBAJPEBV1@@Z
?Stricmp@WSTRING@@SAHPEAG0@Z
?Strcmp@WSTRING@@SAHPEAG0@Z
??0FSTRING@@QEAA@XZ
??0PATH_ARGUMENT@@QEAA@XZ
??1PATH_ARGUMENT@@UEAA@XZ
?Initialize@PATH_ARGUMENT@@QEAAEPEADE@Z
?ReadMbLine@STREAM@@QEAAEPEADKPEAKEK@Z
?Initialize@CLASS_DESCRIPTOR@@QEAAEPEBD@Z
?ReadWLine@STREAM@@QEAAEPEAGKPEAKEK@Z
?Initialize@FLAG_ARGUMENT@@QEAAEPEAD@Z
??0ARRAY@@QEAA@XZ
??1ARRAY@@UEAA@XZ
?Initialize@ARRAY@@QEAAEKK@Z
?Put@ARRAY@@UEAAEPEAVOBJECT@@@Z
?QueryStream@FSN_FILE@@QEAAPEAVFILE_STREAM@@W4STREAMACCESS@@K@Z
??0LONG_ARGUMENT@@QEAA@XZ
?Initialize@LONG_ARGUMENT@@QEAAEPEAD@Z
??0DSTRING@@QEAA@XZ
??1DSTRING@@UEAA@XZ
?GetStandardError@PROGRAM@@UEAAPEAVSTREAM@@XZ
ntdll
RtlCaptureContext
RtlFreeHeap
RtlAllocateHeap
RtlLookupFunctionEntry
RtlVirtualUnwind
Sections
.text Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 372B
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: 512B - Virtual size: 76B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ