chan-downloader[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

chan-downloader.exe
Size

14.2MB
MD5

0dcfaaf849cc2f349641a973d4009899
SHA1

6f113b3cad78d0fc95bf2239ccd1e6f2fa180dc7
SHA256

3ec93ce1a5cfc6b36bffed48016f746e71e8aa59a7dd4952deb93d74e0850932
SHA512

25b27cc1ce3b4e5ef6f43b9ed21b44382a47655156e897ace57e0a3fb0c005dd7dd1d4213b470b0ad213815007e907604f54597f7c9e1d290f41a9a7a689c929
SSDEEP

98304:baKobFHTdV/F4BsD99vkgJo9aCgTDI8ZQKKpEJtNMjFRZ2V:rc5ht3jB0FwxQKZAO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
chan-downloader.exe

Files

chan-downloader.exe
.exe windows:4 windows x64 arch:x64

4cf19ed702d34361b81590cf4c962f51

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

RaiseException
RtlUnwindEx
RtlVirtualUnwind
VirtualProtect
VirtualQuery
__C_specific_handler
AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CancelIo
CancelIoEx
CloseHandle
CompareStringOrdinal
ConnectNamedPipe
CopyFileExW
CreateDirectoryW
CreateEventW
CreateFileMappingA
CreateFileW
CreateHardLinkW
CreateIoCompletionPort
CreateMutexA
CreateNamedPipeW
CreateProcessW
CreateSymbolicLinkW
CreateThread
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteFileW
DeviceIoControl
DisconnectNamedPipe
DuplicateHandle
EnterCriticalSection
ExitProcess
FileTimeToSystemTime
FillConsoleOutputAttribute
FillConsoleOutputCharacterA
FindClose
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
GetCommandLineW
GetConsoleCursorInfo
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetNamedPipeInfo
GetNumberOfConsoleInputEvents
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessId
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LocalFree
MapViewOfFile
Module32FirstW
Module32NextW
MoveFileExW
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleInputW
ReadConsoleW
ReadFile
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
SetConsoleCtrlHandler
SetConsoleCursorInfo
SetConsoleCursorPosition
SetConsoleMode
SetConsoleTextAttribute
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFileAttributesW
SetFileCompletionNotificationModes
SetFileInformationByHandle
SetFilePointerEx
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TryAcquireSRWLockShared
TryEnterCriticalSection
UnmapViewOfFile
UnregisterWaitEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WriteConsoleW
WriteFile

msvcrt

__initenv
__iob_func
__getmainargs
__lconv_init
__set_app_type
_acmdln
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_fpreset
memcmp
memcpy
memmove
memset
_initterm
_onexit
abort
calloc
exit
fprintf
fputs
free
malloc
signal
strlen
strncmp
vfprintf

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlNtStatusToDosError

advapi32

CryptAcquireContextW
CryptDestroyKey
CryptImportKey
CryptReleaseContext
OpenProcessToken
RegCloseKey
RegEnumKeyExW
RegEnumValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW

ws2_32

WSACleanup
WSADuplicateSocketW
WSAGetLastError
WSAIoctl
WSAPoll
WSARecv
WSARecvFrom
WSASend
WSASendTo
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
listen
recv
recvfrom
select
send
sendto
setsockopt
shutdown
socket

bcrypt

BCryptGenRandom

crypt32

CertAddCertificateContextToStore
CertAddEncodedCTLToStore
CertAddEncodedCertificateToStore
CertCloseStore
CertCreateCertificateContext
CertDeleteCertificateFromStore
CertDuplicateCertificateChain
CertDuplicateCertificateContext
CertDuplicateStore
CertEnumCertificatesInStore
CertFreeCertificateChain
CertFreeCertificateContext
CertGetCertificateChain
CertGetCertificateContextProperty
CertGetEnhancedKeyUsage
CertOpenStore
CertSetCertificateContextProperty
CertVerifyCertificateChainPolicy
CertVerifyTimeValidity
CryptAcquireCertificatePrivateKey
CryptBinaryToStringA
CryptDecodeObjectEx
CryptEncodeObjectEx
CryptHashCertificate
CryptStringToBinaryA
PFXExportCertStore
PFXImportCertStore

ncrypt

NCryptFreeObject

secur32

AcceptSecurityContext
AcquireCredentialsHandleA
ApplyControlToken
DecryptMessage
DeleteSecurityContext
EncryptMessage
FreeContextBuffer
FreeCredentialsHandle
InitializeSecurityContextW
QueryContextAttributesW

userenv

GetUserProfileDirectoryW

Sections

.text
Size: 5.0MB - Virtual size: 5.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 166KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 405KB - Virtual size: 405KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 192B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 1024B - Virtual size: 608B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 432KB - Virtual size: 432KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/35
Size: 771KB - Virtual size: 771KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/47
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/61
Size: 363KB - Virtual size: 362KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/73
Size: 1024B - Virtual size: 920B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/86
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 512B - Virtual size: 198B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/113
Size: 443KB - Virtual size: 443KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/127
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/143
Size: 1024B - Virtual size: 939B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/159
Size: 512B - Virtual size: 23B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4cf19ed702d34361b81590cf4c962f51

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

ntdll

advapi32

ws2_32

bcrypt

crypt32

ncrypt

secur32

userenv

Sections

.text Size: 5.0MB - Virtual size: 5.0MB

.data Size: 18KB - Virtual size: 18KB

.rdata Size: 1.4MB - Virtual size: 1.4MB

.pdata Size: 166KB - Virtual size: 165KB

.xdata Size: 405KB - Virtual size: 405KB

.bss Size: - Virtual size: 1KB

.idata Size: 10KB - Virtual size: 10KB

.CRT Size: 512B - Virtual size: 192B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 49KB - Virtual size: 49KB

/4 Size: 1024B - Virtual size: 608B

/19 Size: 432KB - Virtual size: 432KB

/35 Size: 771KB - Virtual size: 771KB

/47 Size: 5KB - Virtual size: 4KB

/61 Size: 363KB - Virtual size: 362KB

/73 Size: 1024B - Virtual size: 920B

/86 Size: 1.1MB - Virtual size: 1.1MB

/97 Size: 512B - Virtual size: 198B

/113 Size: 443KB - Virtual size: 443KB

/127 Size: 1KB - Virtual size: 1KB

/143 Size: 1024B - Virtual size: 939B

/159 Size: 512B - Virtual size: 23B

.text
Size: 5.0MB - Virtual size: 5.0MB

.data
Size: 18KB - Virtual size: 18KB

.rdata
Size: 1.4MB - Virtual size: 1.4MB

.pdata
Size: 166KB - Virtual size: 165KB

.xdata
Size: 405KB - Virtual size: 405KB

.bss
Size: - Virtual size: 1KB

.idata
Size: 10KB - Virtual size: 10KB

.CRT
Size: 512B - Virtual size: 192B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 49KB - Virtual size: 49KB

/4
Size: 1024B - Virtual size: 608B

/19
Size: 432KB - Virtual size: 432KB

/35
Size: 771KB - Virtual size: 771KB

/47
Size: 5KB - Virtual size: 4KB

/61
Size: 363KB - Virtual size: 362KB

/73
Size: 1024B - Virtual size: 920B

/86
Size: 1.1MB - Virtual size: 1.1MB

/97
Size: 512B - Virtual size: 198B

/113
Size: 443KB - Virtual size: 443KB

/127
Size: 1KB - Virtual size: 1KB

/143
Size: 1024B - Virtual size: 939B

/159
Size: 512B - Virtual size: 23B