libcurl[.]dll | Triage

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General

Target

libcurl.dll
Size

1.3MB
MD5

cb53766d718fb5e402876eede8eeded2
SHA1

e709c12aa2902876c1bd9dc1abce58508cfc712a
SHA256

5a50bd0e89a5605e6a7a3d052d82198771e254efae8aa414b5b2708bd8292615
SHA512

215beef6c1d22eb7a6abdbd4c5520d2e283bb559f2855277db0be71a03f8f22be568aeece181e561819529741dfdd4dfb9c29df70a699871c8c337a20eeedcf3
SSDEEP

24576:xd4lUwJC+sGnjXyDFtnzxbgRdR0c1pG7+82usB3PRm:wUwSGOTz1K1pGOusB3PM

Score

1^/10

Malware Config

Signatures

Files

libcurl.dll
.dll windows:5 windows x86 arch:x86

04ef4ec8767a99c7a5c03c4119e98139

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/11/2006, 00:00

Not After

10/11/2031, 00:00

Subject

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

01:ab:ff:b4:c5:f6:4f:cb:7d:88:18:aa:65:67:a9:0a
Certificate

Issuer

CN=DigiCert Assured ID Code Signing CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

08/05/2019, 00:00

Not After

23/07/2022, 12:00

Subject

CN=Fujian NetDragon Computer Network Information Technology Co.\,Ltd,O=Fujian NetDragon Computer Network Information Technology Co.\,Ltd,L=Fuzhou,ST=Fujian,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bd
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

11/02/2011, 12:00

Not After

10/02/2026, 12:00

Subject

CN=DigiCert Assured ID Code Signing CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:f2:44:da:53:3e:90:a8:7e:6a:2b:a1:ce:de:1e:c1:98:b9:e9:96
Signer

Actual PE Digest

0d:f2:44:da:53:3e:90:a8:7e:6a:2b:a1:ce:de:1e:c1:98:b9:e9:96

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

ws2_32

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

wldap32

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

kernel32

InterlockedExchange
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
DisableThreadLibraryCalls
TerminateProcess
InterlockedCompareExchange
FlushConsoleInputBuffer
GlobalMemoryStatus
GetCurrentProcessId
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
MultiByteToWideChar
WriteFile
GetVersion
GetModuleHandleA
GetSystemTime
SystemTimeToFileTime
GetTickCount
LoadLibraryA
GetProcAddress
FreeLibrary
GetStdHandle
GetFileType
WaitForMultipleObjects
PeekNamedPipe
ReadFile
FormatMessageA
Sleep
ExpandEnvironmentStringsA
DeleteCriticalSection
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
SetLastError
GetLastError
SleepEx
VerifyVersionInfoA
VerSetConditionMask
CloseHandle
WaitForSingleObject

user32

MessageBoxA
GetDesktopWindow
GetProcessWindowStation
GetUserObjectInformationW

advapi32

RegisterEventSourceA
ReportEventA
DeregisterEventSource

msvcr90

strcmp
wcsstr
_vsnprintf
_exit
raise
ferror
_setmode
_fileno
feof
_wfopen
_strnicmp
strspn
_stricmp
signal
_getch
_encode_pointer
_malloc_crt
_encoded_null
_decode_pointer
_initterm
_initterm_e
_amsg_exit
_adjust_fdiv
__CppXcptFilter
_except_handler4_common
_open
_stat64i32
fprintf
abort
ftell
_crt_debugger_hook
__clean_type_info_names_internal
_unlock
__dllonexit
_lock
_onexit
_strdup
_close
_read
strncmp
memset
_errno
_write
memcpy
_time64
strchr
memmove
strrchr
_strtoi64
sscanf
qsort
fclose
fputs
fopen
__iob_func
fgets
islower
isalpha
isupper
isdigit
isprint
isalnum
isgraph
isspace
isxdigit
toupper
strstr
_beginthreadex
calloc
realloc
free
malloc
strtoul
_fstat64
_lseeki64
_stat64
fread
strtol
strncpy
getenv
tolower
memchr
sprintf
fputc
_gmtime64
fflush
fwrite
_getpid
strerror
__sys_nerr
atoi
fseek
strpbrk

Exports

Exports

curl_easy_cleanup
curl_easy_duphandle
curl_easy_escape
curl_easy_getinfo
curl_easy_init
curl_easy_pause
curl_easy_perform
curl_easy_recv
curl_easy_reset
curl_easy_send
curl_easy_setopt
curl_easy_strerror
curl_easy_unescape
curl_escape
curl_formadd
curl_formfree
curl_formget
curl_free
curl_getdate
curl_getenv
curl_global_cleanup
curl_global_init
curl_global_init_mem
curl_maprintf
curl_mfprintf
curl_mprintf
curl_msnprintf
curl_msprintf
curl_multi_add_handle
curl_multi_assign
curl_multi_cleanup
curl_multi_fdset
curl_multi_info_read
curl_multi_init
curl_multi_perform
curl_multi_remove_handle
curl_multi_setopt
curl_multi_socket
curl_multi_socket_action
curl_multi_socket_all
curl_multi_strerror
curl_multi_timeout
curl_multi_wait
curl_mvaprintf
curl_mvfprintf
curl_mvprintf
curl_mvsnprintf
curl_mvsprintf
curl_pushheader_byname
curl_pushheader_bynum
curl_share_cleanup
curl_share_init
curl_share_setopt
curl_share_strerror
curl_slist_append
curl_slist_free_all
curl_strequal
curl_strnequal
curl_unescape
curl_version
curl_version_info

Sections

.text
Size: 921KB - Virtual size: 921KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 309KB - Virtual size: 308KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 23KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 53KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

04ef4ec8767a99c7a5c03c4119e98139

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39Certificate

Key Usages

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

01:ab:ff:b4:c5:f6:4f:cb:7d:88:18:aa:65:67:a9:0aCertificate

Extended Key Usages

Key Usages

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bdCertificate

Extended Key Usages

Key Usages

0d:f2:44:da:53:3e:90:a8:7e:6a:2b:a1:ce:de:1e:c1:98:b9:e9:96Signer

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

wldap32

kernel32

user32

advapi32

msvcr90

Exports

Exports

Sections

.text Size: 921KB - Virtual size: 921KB

.rdata Size: 309KB - Virtual size: 308KB

.data Size: 23KB - Virtual size: 31KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 53KB - Virtual size: 53KB

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

01:ab:ff:b4:c5:f6:4f:cb:7d:88:18:aa:65:67:a9:0a
Certificate

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bd
Certificate

0d:f2:44:da:53:3e:90:a8:7e:6a:2b:a1:ce:de:1e:c1:98:b9:e9:96
Signer

.text
Size: 921KB - Virtual size: 921KB

.rdata
Size: 309KB - Virtual size: 308KB

.data
Size: 23KB - Virtual size: 31KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 53KB - Virtual size: 53KB