Static task
static1
General
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Target
Free Cobra Loader.exe
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Size
1.2MB
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MD5
4b6239fd07e48b340f711006d22594aa
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SHA1
3730df0682004ea8c37a1976382f0bfa1b78c585
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SHA256
2a9890d962ecb80b52f34ecc2930cff5292e25692d86bc3c72a1897321338e68
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SHA512
57b81fd63231dad51e45cf4e91b89f5afe80396c0938c8e0cde92cb429d27fade5a99c3f02922b24c0946e48da040840a53d00dacb48414f9c95f5e6ec047a4a
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SSDEEP
24576:15LOXyWG9o6tgpRnQMO7DOw2w29mHFTSpkPruGKFzFTSpkP5nh:XLH59ngLH2qv9cFTFyFTF5n
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Free Cobra Loader.exe
Files
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Free Cobra Loader.exe.exe windows:6 windows x64 arch:x64
6c35af989319c0fadc823780f26d429e
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
Imports
kernel32
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetFileSizeEx
CreateFileA
WaitForMultipleObjects
PeekNamedPipe
ReadFile
GetFileType
GetStdHandle
RtlCaptureContext
WaitForSingleObjectEx
TerminateProcess
GetTickCount
VerifyVersionInfoA
FreeLibrary
IsProcessorFeaturePresent
IsDebuggerPresent
GetSystemDirectoryA
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
GetEnvironmentVariableA
FormatMessageA
SetLastError
GetModuleFileNameA
GetCurrentProcess
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
CloseHandle
SetUnhandledExceptionFilter
MultiByteToWideChar
GetStartupInfoW
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
OutputDebugStringW
ExitProcess
Sleep
SetFileAttributesW
GetModuleHandleA
GetFileAttributesW
QueryPerformanceCounter
VerifyVersionInfoW
GetModuleHandleW
VerSetConditionMask
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalFree
GlobalAlloc
MoveFileExA
user32
TranslateMessage
PostQuitMessage
UpdateWindow
GetWindowLongW
PeekMessageW
AdjustWindowRectEx
SetClipboardData
DestroyWindow
GetDC
SetWindowPos
MonitorFromWindow
DispatchMessageW
MessageBoxW
SetLayeredWindowAttributes
DefWindowProcW
EnumDisplayMonitors
CreateWindowExW
ScreenToClient
UnregisterClassW
SetWindowTextW
RegisterClassExW
WindowFromPoint
ShowWindow
GetCapture
GetKeyState
GetClientRect
SetFocus
BringWindowToTop
GetMonitorInfoW
IsChild
LoadCursorW
SetCapture
SetCursor
SetWindowLongW
ReleaseCapture
SetForegroundWindow
IsIconic
SetCursorPos
ReleaseDC
GetCursorPos
OpenClipboard
CloseClipboard
EmptyClipboard
ClientToScreen
GetClipboardData
GetForegroundWindow
gdi32
GetDeviceCaps
shell32
ShellExecuteW
xinput1_3
ord2
ord4
imm32
ImmReleaseContext
ImmSetCompositionWindow
ImmGetContext
msvcp140
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Xbad_function_call@std@@YAXXZ
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Xout_of_range@std@@YAXPEBD@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?_Xlength_error@std@@YAXPEBD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
d3d9
Direct3DCreate9
normaliz
IdnToAscii
wldap32
ord45
ord200
ord301
ord41
ord22
ord26
ord27
ord32
ord33
ord35
ord79
ord30
ord60
ord211
ord46
ord50
ord143
ord217
crypt32
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertOpenStore
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertFreeCertificateChain
ws2_32
sendto
recvfrom
freeaddrinfo
ntohl
socket
select
__WSAFDIsSet
ioctlsocket
listen
htonl
getsockname
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
setsockopt
ntohs
htons
getsockopt
getpeername
connect
bind
WSAGetLastError
send
recv
closesocket
gethostname
getaddrinfo
accept
rpcrt4
RpcStringFreeA
UuidToStringA
UuidCreate
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception
strrchr
memset
memmove
memcpy
memcmp
__current_exception_context
memchr
_CxxThrowException
__std_exception_copy
__std_exception_destroy
strchr
strstr
__std_terminate
__C_specific_handler
api-ms-win-crt-stdio-l1-1-0
fputs
fclose
__acrt_iob_func
feof
fseek
fwrite
_popen
_pclose
fgets
_open
ftell
_get_stream_buffer_pointers
_fseeki64
fsetpos
ungetc
setvbuf
fgetpos
fopen_s
_close
_write
_set_fmode
fgetc
_wfopen
_read
fputc
_lseeki64
fflush
__stdio_common_vsprintf
__stdio_common_vsscanf
fread
__p__commode
fopen
api-ms-win-crt-string-l1-1-0
isupper
strncmp
strncpy
strspn
strcspn
strcmp
strpbrk
tolower
_strdup
api-ms-win-crt-utility-l1-1-0
qsort
rand
api-ms-win-crt-heap-l1-1-0
free
malloc
_set_new_mode
calloc
realloc
_callnewh
api-ms-win-crt-convert-l1-1-0
strtoul
strtol
strtod
atoi
strtoll
strtoull
api-ms-win-crt-runtime-l1-1-0
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
terminate
_get_narrow_winmain_command_line
_initterm
_initterm_e
_getpid
_set_app_type
exit
_exit
_beginthreadex
system
_c_exit
_register_thread_local_exe_atexit_callback
_errno
strerror
__sys_nerr
_invalid_parameter_noinfo
_seh_filter_exe
_resetstkoflw
_invalid_parameter_noinfo_noreturn
api-ms-win-crt-filesystem-l1-1-0
_stat64
_unlock_file
remove
_fstat64
_access
_lock_file
_unlink
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
api-ms-win-crt-math-l1-1-0
_hypotf
ceilf
cosf
floorf
acosf
_dclass
sqrtf
fmodf
sinf
__setusermatherr
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
advapi32
CryptDestroyHash
GetLengthSid
GetTokenInformation
IsValidSid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptHashData
CryptDestroyKey
CryptImportKey
CryptEncrypt
OpenProcessToken
CopySid
Sections
.text Size: 643KB - Virtual size: 643KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 526KB - Virtual size: 525KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ