libcurl[.]dll | Triage

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General

Target

libcurl.dll
Size

220KB
MD5

965cd405ea0b12e30b7cfad8aaaba518
SHA1

a492f46fe76e3009ed5d13efb6170a261698a040
SHA256

c48fe25f8cee55508772030a6b23a7965e75d01808e50368d88dc9b5c486efad
SHA512

01e989ee74b8daf947128afcf3a057e6b58be28c5cae292bcbb0d3a101082c1fa132e9dc05f821b0a4d254a4508112cc6fc51ced27de9213c24eab94b0290387
SSDEEP

6144:o9OQgSWqGs+WZ3zH5C3rfWqVoE0U6ev+TBcx5n:o9OjSpG0ZDHczW5EMev+Tax

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
libcurl.dll

Files

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

670e54694433b0b076b8fe17bb26b088

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

ws2_32

recvfrom
sendto
send
select
__WSAFDIsSet
ioctlsocket
gethostname
WSASetLastError
gethostbyname
listen
accept
WSAStartup
WSACleanup
recv
socket
connect
closesocket
setsockopt
getsockopt
htons
bind
ntohs
getsockname
WSAGetLastError

wldap32

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

libeay32

ord653
ord680
ord2454
ord391
ord1
ord641
ord7
ord808
ord809
ord784
ord2435
ord2436
ord2437
ord340
ord342
ord341
ord464
ord2254
ord466
ord467
ord281
ord280
ord654
ord66
ord52
ord2431
ord78
ord95
ord657
ord1015
ord2291
ord468
ord3212
ord2604
ord298
ord224
ord223
ord227
ord254
ord181
ord2442
ord188
ord1951
ord566
ord578
ord579
ord1216
ord2023
ord2075
ord1653
ord1654
ord1958
ord2596
ord958
ord625
ord556
ord979
ord18
ord1180
ord542
ord544
ord421
ord120
ord151
ord656

ssleay32

ord108
ord77
ord242
ord61
ord157
ord60
ord43
ord127
ord130
ord110
ord116
ord113
ord172
ord12
ord243
ord6
ord15
ord141
ord21
ord45
ord90
ord87
ord31
ord78
ord58
ord96
ord86
ord8
ord76
ord74
ord183
ord235
ord17
ord222
ord30
ord24
ord75
ord49
ord126
ord48
ord5

msvcr90

_fileno
_open
_read
_strnicmp
_stricmp
_close
_strdup
_onexit
_lock
__dllonexit
_unlock
__clean_type_info_names_internal
_crt_debugger_hook
__CppXcptFilter
_adjust_fdiv
_amsg_exit
_initterm_e
_initterm
_decode_pointer
_encoded_null
_malloc_crt
_encode_pointer
tolower
memmove
fseek
memchr
__sys_nerr
strerror
fflush
isalpha
isalnum
fputc
sprintf
strtoul
_beginthreadex
getenv
strncpy
_errno
strstr
isdigit
fread
_stat64
_lseeki64
_fstat64
fwrite
isspace
_gmtime64
isxdigit
strchr
memcpy
memset
_time64
_strtoi64
strncmp
strrchr
atoi
sscanf
fclose
fgets
fopen
__iob_func
fputs
free
malloc
calloc
realloc
strtol
_except_handler4_common

kernel32

FreeLibrary
ExpandEnvironmentStringsA
CloseHandle
DuplicateHandle
GetCurrentProcess
WaitForSingleObject
ReleaseMutex
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
QueryPerformanceCounter
DisableThreadLibraryCalls
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
TerminateProcess
InterlockedCompareExchange
InterlockedExchange
GetTickCount
LoadLibraryA
GetProcAddress
SleepEx
GetStdHandle
GetFileType
PeekNamedPipe
ReadFile
FormatMessageA
Sleep
GetLastError
TerminateThread
GetExitCodeThread
SetLastError
CreateMutexA
CreateEventA
WaitForMultipleObjects
SetEvent

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_mvaprintf
curl_mvfprintf
curl_mvprintf
curl_mvsnprintf
curl_mvsprintf
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: 165KB - Virtual size: 164KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

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: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

670e54694433b0b076b8fe17bb26b088

Headers

File Characteristics

Imports

ws2_32

wldap32

libeay32

ssleay32

msvcr90

kernel32

Exports

Exports

Sections

.text Size: 165KB - Virtual size: 164KB

.rdata Size: 43KB - Virtual size: 42KB

.data Size: 512B - Virtual size: 1KB

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

.reloc Size: 8KB - Virtual size: 8KB

.text
Size: 165KB - Virtual size: 164KB

.rdata
Size: 43KB - Virtual size: 42KB

.data
Size: 512B - Virtual size: 1KB

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

.reloc
Size: 8KB - Virtual size: 8KB