arctic[.]exe | Triage

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General

Target

arctic.exe
Size

1.5MB
MD5

7952c18a9d57e64597a8a2f6cc3f5abe
SHA1

f4fd940f1ffdff150408904e6409f8cc0ae52aba
SHA256

16750c71d0c381f78f928f2de8241ee134e366811750f3831bfeb0f4f329192b
SHA512

912e969638285f117c26ea5ac7f12f3bb28d7b6a69fa16c6f38a5d34acda32a5ec1c7ced1c1cac61b47556a9be55504af7fa2574b9368ffdb443f567c8155526
SSDEEP

24576:ip69Fu8Vr/nPRTXNP3EEmhRvgjZp0frzqdcIbZef0+dRixJ0F2BKaWWA:Q69Fu8jnPRTR3crgjsynef0+vixJ0

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
arctic.exe

Files

arctic.exe
.exe windows:6 windows x64 arch:x64

3760983ba99248943e111f3e04c15654

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

PDB Paths

C:\Users\andre\OneDrive\Documents\src\arctic\Release\arctic.pdb

Imports

kernel32

GetSystemTimeAsFileTime
GetCurrentThreadId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetFileInformationByHandleEx
OutputDebugStringW
AreFileApisANSI
GetTempPathW
SetFileInformationByHandle
GetFullPathNameW
GetFileAttributesExW
GetFileAttributesW
FindNextFileW
FindFirstFileExW
FindFirstFileW
FindClose
CreateDirectoryW
GetLocaleInfoEx
GetFileSizeEx
WaitForMultipleObjects
PeekNamedPipe
ReadFile
GetFileType
GetStdHandle
GetEnvironmentVariableA
WaitForSingleObjectEx
MoveFileExA
GetTickCount
VerifyVersionInfoA
GetSystemDirectoryA
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
FreeConsole
QueryPerformanceCounter
VerSetConditionMask
QueryPerformanceFrequency
LoadLibraryA
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalFree
GlobalAlloc
MultiByteToWideChar
lstrcmpiA
CloseHandle
Process32Next
CreateFileA
CreateToolhelp32Snapshot
CreateFileW
GetCurrentProcess
Process32First
GetCurrentProcessId
GetModuleHandleA
VirtualAlloc
GetModuleFileNameA
DeviceIoControl
VirtualFree
Sleep
SetConsoleTitleA
FormatMessageA
FreeLibrary
InitializeSListHead
GetProcAddress
GetLastError
LoadLibraryExA

user32

PeekMessageA
DispatchMessageA
PostQuitMessage
LoadIconA
DestroyWindow
RegisterClassExA
UpdateWindow
GetKeyState
LoadCursorA
MonitorFromWindow
GetCapture
ClientToScreen
TranslateMessage
TrackMouseEvent
SetCapture
SetCursor
GetClientRect
SetProcessDPIAware
SetLayeredWindowAttributes
IsWindowUnicode
ReleaseCapture
SetCursorPos
GetSystemMetrics
ShowWindow
SetWindowLongA
SetWindowDisplayAffinity
GetMonitorInfoA
MoveWindow
GetWindowRect
SendInput
GetCursorPos
FindWindowA
GetForegroundWindow
DefWindowProcA
GetAsyncKeyState
ScreenToClient
MessageBoxA
SetClipboardData
CreateWindowExA
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
UnregisterClassA

gdi32

CreateSolidBrush

advapi32

CryptGenRandom
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
RegOpenKeyExA
RegQueryValueExA
RegCloseKey
OpenProcessToken
RegSetValueExA
RegDeleteKeyA
RegOpenKeyA
AdjustTokenPrivileges
LookupPrivilegeValueW
InitializeAcl
IsValidSid
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
RegCreateKeyA
CryptHashData
CryptDestroyHash
CryptEncrypt
CryptImportKey
CryptDestroyKey

shell32

ShellExecuteA
SHGetFolderPathW

msvcp140

?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?_Throw_Cpp_error@std@@YAXH@Z
_Cnd_do_broadcast_at_thread_exit
_Thrd_id
_Thrd_join
_Query_perf_frequency
_Query_perf_counter
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@M@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
_Thrd_detach
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
_Strxfrm
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Xinvalid_argument@std@@YAXPEBD@Z
?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z
?id@?$collate@D@std@@2V0locale@2@A
_Strcoll
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?tolower@?$ctype@D@std@@QEBAPEBDPEADPEBD@Z
?tolower@?$ctype@D@std@@QEBADD@Z
??1facet@locale@std@@MEAA@XZ
??0facet@locale@std@@IEAA@_K@Z
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?_Incref@facet@locale@std@@UEAAXXZ
?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ
??1_Locinfo@std@@QEAA@XZ
??0_Locinfo@std@@QEAA@PEBD@Z
_Xtime_get_ticks
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?uncaught_exceptions@std@@YAHXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
?_Xbad_alloc@std@@YAXXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Syserror_map@std@@YAPEBDH@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Winerror_map@std@@YAHH@Z
?_Xbad_function_call@std@@YAXXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A

ntdll

RtlVirtualUnwind
RtlInitAnsiString
RtlCaptureContext
RtlLookupFunctionEntry
RtlAnsiStringToUnicodeString
NtQuerySystemInformation

dbghelp

ImageDirectoryEntryToData
ImageNtHeader
ImageRvaToVa

d3d11

D3D11CreateDeviceAndSwapChain

imm32

ImmSetCompositionWindow
ImmReleaseContext
ImmGetContext
ImmSetCandidateWindow

d3dcompiler_43

D3DCompile

dwmapi

DwmExtendFrameIntoClientArea

rpcrt4

RpcStringFreeA
UuidCreate
UuidToStringA

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memset
memmove
memcpy
memcmp
memchr
_CxxThrowException
__C_specific_handler
__current_exception
longjmp
strchr
strstr
__std_terminate
_purecall
__std_exception_copy
__std_exception_destroy
__current_exception_context
strrchr
__intrinsic_setjmp

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

free
malloc
_callnewh
_set_new_mode
calloc
realloc

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

cosf
_dclass
__setusermatherr
floor
sqrtf
sqrt
atan2
_dsign
frexp
cos
tan
sin
llround
acosf
sinf
pow
log10
acos
log
fmodf
ldexp
ceil
asin
ceilf
fmod
exp

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

isblank
strpbrk
strspn
_strdup
isspace
strcspn
strcmp
strncmp
isgraph
isxdigit
isupper
tolower
isalpha
ispunct
isdigit
iscntrl
islower
isalnum
toupper
strcoll
_stricmp
strncpy

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

strerror
_beginthreadex
terminate
abort
exit
perror
_invalid_parameter_noinfo_noreturn
__sys_nerr
_invalid_parameter_noinfo
_resetstkoflw
_errno
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_getpid
_exit
_initterm_e
_initterm
_get_initial_narrow_environment
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
system

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

_lseeki64
__stdio_common_vfprintf
fputs
__p__commode
fclose
_read
_write
_wfopen
_set_fmode
_close
fseek
ftell
__stdio_common_vsscanf
_open
freopen
fread
fflush
feof
ferror
fsetpos
fgetpos
fgetc
fputc
__acrt_iob_func
fwrite
fgets
fopen
clearerr
_pclose
tmpfile
setvbuf
tmpnam
getc
_popen
ungetc
_ftelli64
_fseeki64
__stdio_common_vsprintf
_get_stream_buffer_pointers

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

___lc_codepage_func
setlocale
_configthreadlocale
localeconv

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

_gmtime64
strftime
_mktime64
_localtime64
clock
_time64
_difftime64

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

getenv

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

atoi
atof
strtoull
strtod
strtoll
strtol
strtoul

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

_unlock_file
_unlink
_lock_file
_fstat64
remove
rename
_stat64
_access

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

qsort
rand

ws2_32

ntohl
WSAStartup
WSASetLastError
WSACleanup
accept
gethostname
socket
getsockname
setsockopt
ntohs
htons
getsockopt
closesocket
recv
send
WSAGetLastError
bind
connect
getpeername
WSAIoctl
htonl
sendto
recvfrom
freeaddrinfo
listen
getaddrinfo
ioctlsocket
__WSAFDIsSet
select

normaliz

IdnToAscii

crypt32

CryptQueryObject
CertFindExtension
CertFreeCertificateChain
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertGetNameStringA

wldap32

ord46
ord211
ord60
ord45
ord217
ord41
ord22
ord26
ord27
ord33
ord143
ord50
ord35
ord79
ord30
ord301
ord200
ord32

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 302KB - Virtual size: 301KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 51KB - Virtual size: 51KB

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: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3760983ba99248943e111f3e04c15654

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

shell32

msvcp140

ntdll

dbghelp

d3d11

imm32

d3dcompiler_43

dwmapi

rpcrt4

psapi

userenv

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

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

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

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

ws2_32

normaliz

crypt32

wldap32

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.rdata Size: 302KB - Virtual size: 301KB

.data Size: 7KB - Virtual size: 14KB

.pdata Size: 51KB - Virtual size: 51KB

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

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 1.1MB - Virtual size: 1.1MB

.rdata
Size: 302KB - Virtual size: 301KB

.data
Size: 7KB - Virtual size: 14KB

.pdata
Size: 51KB - Virtual size: 51KB

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

.reloc
Size: 4KB - Virtual size: 4KB