REDFN_FREE_EXTERNAL[.]exe

Resubmissions

09/10/2023, 21:00

231009-ztqttagc9t 8

09/10/2023, 20:59

231009-zs4dhsgc9s 3

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General

Target

REDFN_FREE_EXTERNAL.exe
Size

375KB
MD5

a7df130b0a4e5222b951b4b67d3898e3
SHA1

8cbab708200513ab5dd426a7c62500f5b5b36262
SHA256

c08263f917ec1e3792f3fd52060504f66ac7bb3df78e7cdf7284dd2614f0cadc
SHA512

02c300bb904a72e395a35c588ae6c9fcaf49122aa7d6302a602554a1aadc1574443e7364584ab3da485965707394ef8c7102703ea842228927aa1d393d3bb869
SSDEEP

6144:hiSoahSy5NnY2jWuSU7m4KqFhO4Pn8kjPptfL45/49tmnLaH9bPQuH:LWKAYO4frjPLfL45/OmnoH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
REDFN_FREE_EXTERNAL.exe

Files

REDFN_FREE_EXTERNAL.exe
.exe windows:6 windows x64

cff3e77ef04e72f4b8141ce001590d9a

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

GetCurrentProcess
GetStdHandle
VirtualAlloc
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
Process32FirstW
CloseHandle
ExitProcess
GetConsoleWindow
lstrcmpiW
SetConsoleTitleA
GetCommandLineW
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
GetModuleHandleW
IsDebuggerPresent
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
VirtualFree
SetConsoleTextAttribute
SetLastError
GetStartupInfoW
QueryPerformanceCounter
FreeLibrary
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
GetModuleHandleA
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalFree
GlobalAlloc
InitializeSListHead
MultiByteToWideChar

user32

LoadCursorW
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
GetWindowThreadProcessId
GetWindow
GetWindowRect
DestroyWindow
SetWindowPos
GetSystemMetrics
ShowWindow
GetAsyncKeyState
DispatchMessageW
PeekMessageW
BlockInput
EnumWindows
DefWindowProcA
SetLayeredWindowAttributes
TranslateMessage
LoadIconW
SetWindowLongW
GetDesktopWindow
RegisterClassExA
UpdateWindow
GetKeyState
ScreenToClient
ClientToScreen
SetCursor
GetClientRect
SetCursorPos
GetCursorPos
GetForegroundWindow

advapi32

SetTokenInformation
RevertToSelf
PrivilegeCheck
OpenProcessToken
GetTokenInformation
DuplicateTokenEx
CreateProcessAsUserW
SetThreadToken
LookupPrivilegeValueW

d3d9

Direct3DCreate9Ex

imm32

ImmSetCompositionWindow
ImmReleaseContext
ImmGetContext
ImmSetCandidateWindow

dwmapi

DwmExtendFrameIntoClientArea

msvcp140

?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
_Xtime_get_ticks
_Query_perf_counter
_Thrd_sleep
?_Xlength_error@std@@YAXPEBD@Z
?_Random_device@std@@YAIXZ
?id@?$ctype@D@std@@2V0locale@2@A
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?good@ios_base@std@@QEBA_NXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??Bid@locale@std@@QEAA_KXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?uncaught_exception@std@@YA_NXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
_Query_perf_frequency

vcruntime140_1

__CxxFrameHandler4

vcruntime140

_CxxThrowException
memcpy
__current_exception_context
__current_exception
memset
__std_exception_destroy
strstr
__std_terminate
memmove
memcmp
__std_exception_copy
memchr
__C_specific_handler

api-ms-win-crt-stdio-l1-1-0

_wfopen
__stdio_common_vfprintf
fseek
fclose
fflush
__acrt_iob_func
ftell
__stdio_common_vsprintf
fread
__stdio_common_vsscanf
fwrite
__p__commode
_set_fmode
__stdio_common_vsnprintf_s

api-ms-win-crt-utility-l1-1-0

qsort

api-ms-win-crt-string-l1-1-0

strncpy
_wcsicmp
strncmp
strcmp

api-ms-win-crt-heap-l1-1-0

_set_new_mode
free
malloc
_callnewh

api-ms-win-crt-convert-l1-1-0

atof

api-ms-win-crt-runtime-l1-1-0

_initterm_e
_exit
_invalid_parameter_noinfo_noreturn
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_get_initial_narrow_environment
_set_app_type
terminate
_seh_filter_exe
exit
system
_cexit
_configure_narrow_argv
_initterm
_crt_atexit
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function

api-ms-win-crt-filesystem-l1-1-0

remove

api-ms-win-crt-math-l1-1-0

powf
pow
sqrtf
fmodf
sinf
sqrt
cosf
ceilf
tanf
atan2f
__setusermatherr
acosf

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 298KB - Virtual size: 297KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 13KB - Virtual size: 12KB

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: 1024B - Virtual size: 592B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

cff3e77ef04e72f4b8141ce001590d9a

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

d3d9

imm32

dwmapi

msvcp140

vcruntime140_1

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 298KB - Virtual size: 297KB

.rdata Size: 60KB - Virtual size: 59KB

.data Size: 2KB - Virtual size: 8KB

.pdata Size: 13KB - Virtual size: 12KB

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 1024B - Virtual size: 592B

.text
Size: 298KB - Virtual size: 297KB

.rdata
Size: 60KB - Virtual size: 59KB

.data
Size: 2KB - Virtual size: 8KB

.pdata
Size: 13KB - Virtual size: 12KB

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 1024B - Virtual size: 592B