curl[.]exe | Triage

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General

Target

curl.exe
Size

4.3MB
MD5

4302541309b64e3d94d2c957ff96cd4d
SHA1

e49c09e200c14930ccf99516b99a4bffa5e9eef6
SHA256

7b2d5039c6aa5ac50edf778c7efadb581b650e30a45f733de9355bbfc36fbf63
SHA512

320cd390ccedbece401b5a11f70691aa7d477092ca78a62de196cb2068b15f91e386b167cbf6cb5bff2f145c4e5e5017a0a68d28accfbd256885a21c30bb0592
SSDEEP

49152:D/tkzhS3RqvOQ9cUx3IYWSgjkjP0s5/v3OAUDEqBn2OyESpdKSKX/eXqbOT9FcNQ:D/rRqvt9cqK7j0BZvBxOZaS2XQy

Score

1^/10

Malware Config

Signatures

Files

curl.exe
.exe windows:4 windows x86

b53be2138b8b846f28314270895351c4

Code Sign

0f:07:dd:d7:18:7f:eb:e5:92:aa:9d:cb:35:81:8f:8a:94:06:ac:9d
Certificate

Issuer

CN=curl-for-win Root CA 2021

Not Before

17/01/2021, 22:40

Not After

17/01/2024, 22:40

Subject

CN=curl-for-win Code Signing Authority

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:08:26:c5:81:9f:76:fc:32:01:f2:dc:10:c9:a7:1e:73:c5:71:25
Certificate

Issuer

CN=curl-for-win Root CA 2021

Not Before

17/01/2021, 22:40

Not After

17/01/2026, 22:40

Subject

CN=curl-for-win Root CA 2021

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

65:5e:ec:0b:37:2e:7e:b1:b5:31:41:ed:21:c4:b9:b2:92:17:7f:69:eb:f4:c5:f9:7e:b2:23:ba:06:fc:e7:5c:7b:17:55:74:bc:55:92:28:50:a7:3d:c1:ca:c5:ca:0e:c9:b0:da:fc:8c:62:64:b7:c8:4e:cb:40:6d:aa:a4:7b
Signer

Actual PE Digest

65:5e:ec:0b:37:2e:7e:b1:b5:31:41:ed:21:c4:b9:b2:92:17:7f:69:eb:f4:c5:f9:7e:b2:23:ba:06:fc:e7:5c:7b:17:55:74:bc:55:92:28:50:a7:3d:c1:ca:c5:ca:0e:c9:b0:da:fc:8c:62:64:b7:c8:4e:cb:40:6d:aa:a4:7b

Digest Algorithm

sha512

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
CertGetEnhancedKeyUsage
CertGetIntendedKeyUsage
CertGetNameStringA
CertOpenStore
CertOpenSystemStoreA
CryptDecodeObjectEx
CryptQueryObject
CryptStringToBinaryA
PFXImportCertStore

kernel32

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

msvcrt

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

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
WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAIoctl
WSAResetEvent
WSASetEvent
WSASetLastError
WSAStartup
WSAWaitForMultipleEvents
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostbyaddr
gethostbyname
gethostname
getpeername
getservbyname
getservbyport
getsockname
getsockopt
htonl
htons
inet_addr
inet_ntoa
ioctlsocket
listen
ntohs
recv
recvfrom
select
send
sendto
setsockopt
shutdown
socket

Sections

.text
Size: 2.9MB - Virtual size: 2.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 512B - Virtual size: 376B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 12KB

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: 9KB - Virtual size: 8KB

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: 139KB - Virtual size: 138KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b53be2138b8b846f28314270895351c4

Code Sign

0f:07:dd:d7:18:7f:eb:e5:92:aa:9d:cb:35:81:8f:8a:94:06:ac:9dCertificate

Extended Key Usages

Key Usages

05:08:26:c5:81:9f:76:fc:32:01:f2:dc:10:c9:a7:1e:73:c5:71:25Certificate

Key Usages

65:5e:ec:0b:37:2e:7e:b1:b5:31:41:ed:21:c4:b9:b2:92:17:7f:69:eb:f4:c5:f9:7e:b2:23:ba:06:fc:e7:5c:7b:17:55:74:bc:55:92:28:50:a7:3d:c1:ca:c5:ca:0e:c9:b0:da:fc:8c:62:64:b7:c8:4e:cb:40:6d:aa:a4:7bSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

crypt32

kernel32

msvcrt

user32

wldap32

ws2_32

Sections

.text Size: 2.9MB - Virtual size: 2.9MB

.data Size: 17KB - Virtual size: 17KB

.rdata Size: 1.2MB - Virtual size: 1.2MB

.eh_fram Size: 512B - Virtual size: 376B

.bss Size: - Virtual size: 12KB

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

.idata Size: 9KB - Virtual size: 8KB

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

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

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

.reloc Size: 139KB - Virtual size: 138KB

0f:07:dd:d7:18:7f:eb:e5:92:aa:9d:cb:35:81:8f:8a:94:06:ac:9d
Certificate

05:08:26:c5:81:9f:76:fc:32:01:f2:dc:10:c9:a7:1e:73:c5:71:25
Certificate

65:5e:ec:0b:37:2e:7e:b1:b5:31:41:ed:21:c4:b9:b2:92:17:7f:69:eb:f4:c5:f9:7e:b2:23:ba:06:fc:e7:5c:7b:17:55:74:bc:55:92:28:50:a7:3d:c1:ca:c5:ca:0e:c9:b0:da:fc:8c:62:64:b7:c8:4e:cb:40:6d:aa:a4:7b
Signer

.text
Size: 2.9MB - Virtual size: 2.9MB

.data
Size: 17KB - Virtual size: 17KB

.rdata
Size: 1.2MB - Virtual size: 1.2MB

.eh_fram
Size: 512B - Virtual size: 376B

.bss
Size: - Virtual size: 12KB

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

.idata
Size: 9KB - Virtual size: 8KB

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

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

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

.reloc
Size: 139KB - Virtual size: 138KB