curl[.]exe | Triage

Sharing

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General

Target

curl.exe
Size

3.5MB
MD5

1fef7c3448e4fdcc2a4d1a64ac9ed344
SHA1

735230c0ebf3443befb7d191eefdb823a8f857fd
SHA256

18f26bb331c0fd7eddc3e8a1b22dd04e481b4ddabba864674bcc9df3b04d899e
SHA512

a8ec546355f9ba7228313b6754cbddd963bab4bc90318e106e1242854de986b5f817972cc92a2f3891e32fa4f620c8223a8bdb234b8bd1104fd9663d3c0cc8ab
SSDEEP

98304:83bfOMYsM3lit0UnO3gKA4EOoHlxcbco2kxTs+78dPsvgLx9dTndM13bzpNU/VE:83bWMYsM3YtzKA4EOoHlxcbco2kxTs+5

Score

1^/10

Malware Config

Signatures

Files

curl.exe
.exe windows x86

fbcfa0527c3a6bfc7058cebfb7fda96d

Code Sign

01
Certificate

Issuer

CN=curl-for-win Root CA,OU=curl-for-win Root CA,O=curl-for-win

Not Before

31/08/2018, 12:18

Not After

30/08/2021, 12:18

Subject

CN=curl-for-win Code Signing Authority,OU=curl-for-win Code Signing Authority,O=curl-for-win

af:42:e4:09:5d:94:1d:14
Certificate

Issuer

CN=curl-for-win Root CA,OU=curl-for-win Root CA,O=curl-for-win

Not Before

31/08/2018, 12:18

Not After

31/08/2023, 12:18

Subject

CN=curl-for-win Root CA,OU=curl-for-win Root CA,O=curl-for-win

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

d3:79:52:48:cc:be:ce:0e:ef:40:87:eb:cc:02:b4:62:25:fc:c9:cd:ab:05:03:5b:90:f9:96:8b:ce:28:14:b7
Signer

Actual PE Digest

d3:79:52:48:cc:be:ce:0e:ef:40:87:eb:cc:02:b4:62:25:fc:c9:cd:ab:05:03:5b:90:f9:96:8b:ce:28:14:b7

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

CryptAcquireContextA
CryptAcquireContextW
CryptCreateHash
CryptDestroyHash
CryptGenRandom
CryptGetHashParam
CryptHashData
CryptReleaseContext
DeregisterEventSource
RegisterEventSourceW
ReportEventW

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetNameStringA
CertOpenStore
CryptDecodeObjectEx
CryptQueryObject
CryptStringToBinaryA

kernel32

CloseHandle
ConvertFiberToThread
ConvertThreadToFiber
CreateFiber
CreateFileA
CreateFileMappingA
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteFiber
EnterCriticalSection
FindClose
FindFirstFileW
FindNextFileW
FormatMessageA
FormatMessageW
FreeLibrary
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentVariableA
GetEnvironmentVariableW
GetFileSizeEx
GetFileTime
GetFileType
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetProcAddress
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemTime
GetSystemTimeAsFileTime
GetTickCount
GetTimeZoneInformation
GetVersion
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
MapViewOfFile
Module32First
Module32Next
MoveFileExA
MultiByteToWideChar
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleA
ReadConsoleW
ReadFile
SearchPathA
SetConsoleMode
SetEndOfFile
SetFileTime
SetLastError
SetUnhandledExceptionFilter
Sleep
SleepEx
SwitchToFiber
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoA
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile

msvcrt

__getmainargs
__initenv
__lconv_init
__p__acmdln
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_beginthreadex
_cexit
_chmod
_errno
_exit
_fileno
_fstati64
_get_osfhandle
_getpid
_initterm
_iob
_lseeki64
_onexit
_setmode
_snwprintf
_vsnwprintf
_stati64
_strdup
_stricmp
_strnicmp
_strtoi64
_sys_nerr
_vsnprintf
_wfopen
abort
atoi
calloc
clearerr
exit
fclose
feof
ferror
fflush
fgets
fopen
fprintf
fputc
fputs
fread
free
fseek
ftell
fwrite
getc
getenv
islower
isprint
isspace
isupper
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
localtime
gmtime
difftime
printf
putchar
puts
qsort
raise
realloc
rename
rewind
setbuf
setlocale
setvbuf
signal
sprintf
sscanf
strcat
strchr
strcmp
strcpy
strcspn
strerror
strlen
strncmp
strncpy
strpbrk
strrchr
strspn
strstr
strtok
strtol
strtoul
tolower
vfprintf
time
wcscpy
wcslen
wcsstr
_stat
_fstat
_write
_unlink
_strdup
_setmode
_read
_open
_mkdir
_isatty
_getch
_fileno
_close
_access

normaliz

IdnToAscii
IdnToUnicode

user32

FindWindowA
GetProcessWindowStation
GetUserObjectInformationW
MessageBoxW
SendMessageA

wldap32

ber_free
ldap_bind_s
ldap_err2string
ldap_first_attribute
ldap_first_entry
ldap_get_dn
ldap_get_values_len
ldap_init
ldap_memfree
ldap_msgfree
ldap_next_attribute
ldap_next_entry
ldap_search_s
ldap_set_option
ldap_simple_bind_s
ldap_sslinit
ldap_unbind_s
ldap_value_free_len

ws2_32

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

Sections

.text
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 772KB - Virtual size: 772KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 18KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 49B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 8B

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
IMAGE_SCN_MEM_WRITE

.reloc
Size: 96KB - Virtual size: 96KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fbcfa0527c3a6bfc7058cebfb7fda96d

Code Sign

01Certificate

af:42:e4:09:5d:94:1d:14Certificate

Key Usages

d3:79:52:48:cc:be:ce:0e:ef:40:87:eb:cc:02:b4:62:25:fc:c9:cd:ab:05:03:5b:90:f9:96:8b:ce:28:14:b7Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

crypt32

kernel32

msvcrt

normaliz

user32

wldap32

ws2_32

Sections

.text Size: 2.6MB - Virtual size: 2.6MB

.data Size: 15KB - Virtual size: 15KB

.rdata Size: 772KB - Virtual size: 772KB

.bss Size: - Virtual size: 18KB

.edata Size: 512B - Virtual size: 49B

.idata Size: 8KB - Virtual size: 7KB

.CRT Size: 512B - Virtual size: 52B

.tls Size: 512B - Virtual size: 8B

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

.reloc Size: 96KB - Virtual size: 96KB

01
Certificate

af:42:e4:09:5d:94:1d:14
Certificate

d3:79:52:48:cc:be:ce:0e:ef:40:87:eb:cc:02:b4:62:25:fc:c9:cd:ab:05:03:5b:90:f9:96:8b:ce:28:14:b7
Signer

.text
Size: 2.6MB - Virtual size: 2.6MB

.data
Size: 15KB - Virtual size: 15KB

.rdata
Size: 772KB - Virtual size: 772KB

.bss
Size: - Virtual size: 18KB

.edata
Size: 512B - Virtual size: 49B

.idata
Size: 8KB - Virtual size: 7KB

.CRT
Size: 512B - Virtual size: 52B

.tls
Size: 512B - Virtual size: 8B

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

.reloc
Size: 96KB - Virtual size: 96KB