downtownbot_windows[.]exe

Resubmissions

17/08/2024, 23:04

240817-22h52sscra 6

17/08/2024, 23:03

240817-21t6xsscng 3

Sharing

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General

Target

downtownbot_windows.exe
Size

6.9MB
MD5

a6dc3ebe38a19596df0882eb8819f028
SHA1

95627b6bc2dfef619e49d9924ec4c7976ca60e49
SHA256

15e339c19587b5a2a96c82ef96f55e9a97c17b08e25df99e41c971dccc4b564c
SHA512

4cdea49a36131364028e22d17ea16941b3f35c6d5d319135ab8b87b0d3f1a7d242afc17142b0cf8f64ba8d48a7c65fd38382f14bf62c75d75badd05f856f473b
SSDEEP

98304:kc0jiqt4h0k9kNKg7VSwRsJ7TdtH5VY36R:I3tSABQ7TlR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
downtownbot_windows.exe

Files

downtownbot_windows.exe
.exe windows:4 windows x64 arch:x64

d10e65b44f9843e15af31e6c47f9c004

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
IMAGE_FILE_DEBUG_STRIPPED

Imports

crypt32

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

kernel32

AddVectoredExceptionHandler
CancelIo
CancelIoEx
CloseHandle
CompareStringOrdinal
ConnectNamedPipe
CopyFileExW
CreateDirectoryW
CreateEventW
CreateFileMappingA
CreateFileW
CreateHardLinkW
CreateIoCompletionPort
CreateNamedPipeW
CreateProcessW
CreateSymbolicLinkW
CreateThread
CreateToolhelp32Snapshot
CreateWaitableTimerExW
DeleteFileW
DeleteProcThreadAttributeList
DeviceIoControl
DisconnectNamedPipe
DuplicateHandle
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
GetCommandLineW
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetNamedPipeInfo
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessId
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTimePreciseAsFileTime
GetTempPathW
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
InitializeProcThreadAttributeList
LocalFree
MapViewOfFile
Module32FirstW
Module32NextW
MoveFileExW
MultiByteToWideChar
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleW
ReadFile
ReadFileEx
RegisterWaitForSingleObject
RemoveDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFileAttributesW
SetFileCompletionNotificationModes
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepEx
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteFileEx
DeleteCriticalSection
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
RaiseException
RtlUnwindEx
VirtualProtect
VirtualQuery
__C_specific_handler

ncrypt

NCryptFreeObject

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
NtReadFile
NtWriteFile
RtlNtStatusToDosError

secur32

AcceptSecurityContext
AcquireCredentialsHandleA
ApplyControlToken
DecryptMessage
DeleteSecurityContext
EncryptMessage
FreeContextBuffer
FreeCredentialsHandle
InitializeSecurityContextW
QueryContextAttributesW

userenv

GetUserProfileDirectoryW

ws2_32

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

api-ms-win-core-synch-l1-2-0

WaitOnAddress
WakeByAddressAll
WakeByAddressSingle

bcryptprimitives

ProcessPrng

advapi32

CryptAcquireContextW
CryptDestroyKey
CryptImportKey
CryptReleaseContext
RegCloseKey
RegEnumKeyExW
RegEnumValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
SystemFunction036

bcrypt

BCryptGenRandom

msvcrt

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

Sections

.text
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 907KB - Virtual size: 907KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 115KB - Virtual size: 115KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 350KB - Virtual size: 350KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 924B

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: 112B

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: 27KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

d10e65b44f9843e15af31e6c47f9c004

Headers

DLL Characteristics

File Characteristics

Imports

crypt32

kernel32

ncrypt

ntdll

secur32

userenv

ws2_32

api-ms-win-core-synch-l1-2-0

bcryptprimitives

advapi32

bcrypt

msvcrt

Sections

.text Size: 3.5MB - Virtual size: 3.5MB

.data Size: 20KB - Virtual size: 19KB

.rdata Size: 907KB - Virtual size: 907KB

.pdata Size: 115KB - Virtual size: 115KB

.xdata Size: 350KB - Virtual size: 350KB

.bss Size: - Virtual size: 924B

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

.CRT Size: 512B - Virtual size: 112B

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

.reloc Size: 27KB - Virtual size: 27KB

.text
Size: 3.5MB - Virtual size: 3.5MB

.data
Size: 20KB - Virtual size: 19KB

.rdata
Size: 907KB - Virtual size: 907KB

.pdata
Size: 115KB - Virtual size: 115KB

.xdata
Size: 350KB - Virtual size: 350KB

.bss
Size: - Virtual size: 924B

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

.CRT
Size: 512B - Virtual size: 112B

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

.reloc
Size: 27KB - Virtual size: 27KB