curl[.]exe | Triage

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General

Target

curl.exe
Size

4.4MB
MD5

6f2fb9e6c8f9093657e513f40e3522c4
SHA1

cb93fbd5ce1b63bc15b25457a7fc461723a74a22
SHA256

386f29b6f3c568e653ec32ab5107375a19c0b61c0fe7d7a04ce06aae747bdd9f
SHA512

95f6de326af0eab5d532d1486669ce93026aaa57c42fa9c88fc29be8d4249881c51bb42785b347f893feb3b9454b4acbd46d1901635436d348adfa96c7a651d6
SSDEEP

49152:y2NfZN+q+j+B+cvudyLQAWsmNsXTePl+96OCPQvwg/aO+lPEdDbdnlSBCbIoyyNT:y2xB+cW0LQzsTKP3IaO+lPMH549Ja

Score

1^/10

Malware Config

Signatures

Files

curl.exe
.exe windows:6 windows x86 arch:x86

94ae7bcf8a00ac71bad89660ee9b1a5d

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

36:3f:14:82:d8:34:76:2f:39:5f:bd:c1:46:c6:e0:e6:63:dc:c6:3d:8c:27:d2:97:03:1f:9f:c7:4e:bc:cc:84:7c:79:f1:92:de:5f:33:e0:8d:2d:7c:b9:6c:b2:9d:7e:5d:dd:cb:6b:0a:3b:c1:40:e9:a6:11:04:37:5f:4c:09
Signer

Actual PE Digest

36:3f:14:82:d8:34:76:2f:39:5f:bd:c1:46:c6:e0:e6:63:dc:c6:3d:8c:27:d2:97:03:1f:9f:c7:4e:bc:cc:84:7c:79:f1:92:de:5f:33:e0:8d:2d:7c:b9:6c:b2:9d:7e:5d:dd:cb:6b:0a:3b:c1:40:e9:a6:11:04:37:5f:4c:09

Digest Algorithm

sha512

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptReleaseContext
DeregisterEventSource
RegisterEventSourceW
ReportEventW

bcrypt

BCryptGenRandom

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetEnhancedKeyUsage
CertGetIntendedKeyUsage
CertGetNameStringA
CertOpenStore
CertOpenSystemStoreA
CryptDecodeObjectEx
CryptQueryObject
CryptStringToBinaryA
PFXImportCertStore

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
CancelIo
CloseHandle
CompareFileTime
ConvertFiberToThread
ConvertThreadToFiberEx
CreateEventA
CreateFiberEx
CreateFileA
CreateFileMappingA
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteFiber
EnterCriticalSection
FindClose
FindFirstFileW
FindFirstVolumeW
FindNextFileW
FindNextVolumeW
FindVolumeClose
FormatMessageW
FreeLibrary
GetACP
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentProcessId
GetCurrentThreadId
GetDiskFreeSpaceExW
GetEnvironmentVariableA
GetEnvironmentVariableW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetModuleHandleW
GetOverlappedResult
GetProcAddress
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTickCount
GetTimeZoneInformation
GetVersion
GetVolumeInformationW
InitializeCriticalSection
InitializeCriticalSectionEx
InitializeSRWLock
LeaveCriticalSection
LoadLibraryA
MapViewOfFile
Module32First
Module32Next
MoveFileExA
MultiByteToWideChar
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleA
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSRWLockShared
SearchPathA
SetConsoleCtrlHandler
SetConsoleMode
SetEndOfFile
SetFilePointer
SetFileTime
SetHandleInformation
SetLastError
SetUnhandledExceptionFilter
Sleep
SleepEx
SwitchToFiber
SystemTimeToFileTime
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualLock
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObjectEx
WaitNamedPipeA
WideCharToMultiByte
WriteConsoleW
WriteFile

normaliz

IdnToAscii

api-ms-win-crt-conio-l1-1-0

_getch

api-ms-win-crt-convert-l1-1-0

atoi
mbrtowc
mbstowcs
strtod
strtol
strtoll
strtoul
wcrtomb
wcstombs

api-ms-win-crt-environment-l1-1-0

__p__environ
__p__wenviron
getenv

api-ms-win-crt-filesystem-l1-1-0

_fstat64
_stat64
_unlink
_mkdir
_access

api-ms-win-crt-heap-l1-1-0

_set_new_mode
calloc
free
malloc
realloc

api-ms-win-crt-locale-l1-1-0

localeconv
setlocale

api-ms-win-crt-math-l1-1-0

__setusermatherr
_fdopen

api-ms-win-crt-private-l1-1-0

memchr
memcmp
memcpy
memmove
strchr
strrchr
strstr
wcsstr

api-ms-win-crt-runtime-l1-1-0

_set_app_type
__p___argc
__p___argv
__p___wargv
__p__acmdln
__sys_errlist
__sys_nerr
_beginthreadex
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_errno
_exit
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_errno
_set_invalid_parameter_handler
abort
exit
raise
signal
strerror

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
__stdio_common_vsprintf
__stdio_common_vsscanf
__stdio_common_vswprintf
_fileno
_get_osfhandle
_lseeki64
_telli64
_wfopen
_write
fclose
feof
ferror
fflush
fgets
fopen
fputc
fputs
fread
fseek
ftell
fwrite
getc
putchar
puts
rewind
setvbuf
_write
_setmode
_setmode
_read
_open
_isatty
_fileno
_close

api-ms-win-crt-string-l1-1-0

isspace
memset
strcat
strcmp
strcpy
strcspn
strlen
strncmp
strncpy
strpbrk
strspn
strtok
tolower
wcscpy
wcslen
_stricmp
_strdup
_strdup

api-ms-win-crt-time-l1-1-0

__daylight
__timezone
__tzname
_difftime64
_gmtime64
_localtime64
_time64
_tzset
strftime

api-ms-win-crt-utility-l1-1-0

qsort

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
inet_ntop
inet_pton
ioctlsocket
listen
ntohs
recv
recvfrom
select
send
sendto
setsockopt
shutdown
socket

Sections

.text
Size: 3.2MB - Virtual size: 3.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1015KB - Virtual size: 1014KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 20KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.eh_fram
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.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

.reloc
Size: 149KB - Virtual size: 148KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

94ae7bcf8a00ac71bad89660ee9b1a5d

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

36:3f:14:82:d8:34:76:2f:39:5f:bd:c1:46:c6:e0:e6:63:dc:c6:3d:8c:27:d2:97:03:1f:9f:c7:4e:bc:cc:84:7c:79:f1:92:de:5f:33:e0:8d:2d:7c:b9:6c:b2:9d:7e:5d:dd:cb:6b:0a:3b:c1:40:e9:a6:11:04:37:5f:4c:09Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

bcrypt

crypt32

kernel32

normaliz

api-ms-win-crt-conio-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-utility-l1-1-0

user32

wldap32

ws2_32

Sections

.text Size: 3.2MB - Virtual size: 3.2MB

.rdata Size: 1015KB - Virtual size: 1014KB

.data Size: 20KB - Virtual size: 33KB

.eh_fram Size: 7KB - Virtual size: 7KB

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

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

.reloc Size: 149KB - Virtual size: 148KB

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

36:3f:14:82:d8:34:76:2f:39:5f:bd:c1:46:c6:e0:e6:63:dc:c6:3d:8c:27:d2:97:03:1f:9f:c7:4e:bc:cc:84:7c:79:f1:92:de:5f:33:e0:8d:2d:7c:b9:6c:b2:9d:7e:5d:dd:cb:6b:0a:3b:c1:40:e9:a6:11:04:37:5f:4c:09
Signer

.text
Size: 3.2MB - Virtual size: 3.2MB

.rdata
Size: 1015KB - Virtual size: 1014KB

.data
Size: 20KB - Virtual size: 33KB

.eh_fram
Size: 7KB - Virtual size: 7KB

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

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

.reloc
Size: 149KB - Virtual size: 148KB