Static task
static1
Behavioral task
behavioral1
Sample
clean-dropper.exe
Resource
win7-20240903-en
General
-
Target
clean-dropper.exe
-
Size
556KB
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MD5
9678158d390f6a61a64eff9c67c7264f
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SHA1
a9dd9bc1ff0bb1de67c2fb7a11023569c8972157
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SHA256
f7b3bf4616cffa16972fbefad120f2f2b603659af30bf1b6b7ee614134e6af7d
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SHA512
214ea34f775136a1270c5341948c40c28e5d65eeb64783c602731856da72172f88aa68d2c3d70ad4265cd3179b5e1f10adff02718e85eb9eac7fa7144a0f872e
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SSDEEP
12288:tPACp3CFp6SYPFsBGEKlsOK8dk9AGNR4:tPLp3CFp6S9Bylo8dGn
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource clean-dropper.exe
Files
-
clean-dropper.exe.exe windows:6 windows x64 arch:x64
3bfa351d2497af5b26fd6c067dbdf60a
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
GetProcessHeap
GlobalMemoryStatusEx
CreateProcessA
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
SetLastError
FormatMessageW
QueryPerformanceCounter
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
GetModuleHandleA
GetProcAddress
LoadLibraryA
WideCharToMultiByte
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
K32EnumProcesses
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
SleepEx
VerSetConditionMask
VerifyVersionInfoW
CreateFileA
GetFileSizeEx
GetSystemTimeAsFileTime
HeapAlloc
DeleteProcThreadAttributeList
GetSystemInfo
CloseHandle
Process32FirstW
lstrcpyA
GetCurrentThread
SetFileInformationByHandle
Process32NextW
UpdateProcThreadAttribute
GetLastError
GetCurrentThreadId
GetModuleHandleW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
GetThreadContext
K32GetModuleFileNameExA
Sleep
MultiByteToWideChar
CreateToolhelp32Snapshot
SetFileAttributesW
OpenProcess
GetFileAttributesW
CreateFileW
lstrlenA
InitializeProcThreadAttributeList
GetModuleFileNameW
GetCurrentProcess
HeapFree
GetModuleFileNameA
GetCurrentProcessId
CreateDirectoryW
InitializeSListHead
advapi32
RegCloseKey
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
CryptEncrypt
CryptAcquireContextA
shell32
SHGetFolderPathW
ole32
CoInitialize
CoUninitialize
CoCreateInstance
msvcp140
_Cnd_do_broadcast_at_thread_exit
?_Xlength_error@std@@YAXPEBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Throw_Cpp_error@std@@YAXH@Z
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
shlwapi
PathFindFileNameA
normaliz
IdnToUnicode
IdnToAscii
ws2_32
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSACloseEvent
send
WSAResetEvent
gethostname
ioctlsocket
getpeername
sendto
recvfrom
freeaddrinfo
getaddrinfo
recv
listen
htonl
getsockname
connect
bind
accept
select
__WSAFDIsSet
socket
htons
WSAIoctl
setsockopt
WSACleanup
WSAStartup
WSASetLastError
ntohs
WSAGetLastError
closesocket
WSAWaitForMultipleEvents
getsockopt
wldap32
ord32
ord33
ord35
ord79
ord26
ord41
ord301
ord45
ord60
ord27
ord30
ord211
ord46
ord217
ord143
ord22
ord50
ord200
crypt32
CertGetNameStringA
CertGetCertificateChain
CertFreeCertificateChain
CertCreateCertificateChainEngine
CryptQueryObject
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertFreeCertificateChainEngine
CertOpenStore
CertCloseStore
bcrypt
BCryptGenRandom
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strstr
memcpy
__std_exception_destroy
memcmp
memset
strchr
_CxxThrowException
strrchr
memmove
memchr
__std_exception_copy
__current_exception_context
__C_specific_handler
__current_exception
api-ms-win-crt-heap-l1-1-0
_set_new_mode
calloc
free
realloc
malloc
_callnewh
api-ms-win-crt-stdio-l1-1-0
_fseeki64
_lseeki64
fwrite
fgets
_open
fflush
__stdio_common_vsprintf
fputc
fseek
_set_fmode
__stdio_common_vsscanf
fclose
__p__commode
ftell
feof
__stdio_common_vfprintf
fread
__acrt_iob_func
fopen
_read
_write
fputs
_fileno
_close
api-ms-win-crt-string-l1-1-0
isdigit
_strdup
strpbrk
strcspn
_wcsicmp
strspn
strcmp
_strlwr
strncmp
tolower
strncpy
api-ms-win-crt-runtime-l1-1-0
__sys_errlist
_c_exit
__p___argv
__p___argc
_register_thread_local_exe_atexit_callback
exit
_initterm_e
_beginthreadex
_initterm
_invalid_parameter_noinfo_noreturn
_get_initial_narrow_environment
strerror
_errno
__sys_nerr
_set_app_type
_exit
_seh_filter_exe
_cexit
terminate
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
api-ms-win-crt-convert-l1-1-0
strtoll
atoi
strtol
wcstombs
strtoul
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
strftime
api-ms-win-crt-filesystem-l1-1-0
_fstat64
_unlink
_access
_stat64
api-ms-win-crt-math-l1-1-0
_fdopen
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 428KB - Virtual size: 427KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 102KB - Virtual size: 101KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ