libcurl[.]dll | Triage

Sharing

Copy URL Twitter E-mail

General

Target

libcurl.dll
Size

666KB
MD5

3c165602611160954d371f37a456e835
SHA1

59678c2687263278316204fe4c17dd23fcdf4273
SHA256

6dc605310cfde04dcdffe61b7047b1b05b6a323fa7d6bc94334d2b227fa3311a
SHA512

ab704534ab557b40ef3870fb7da00c2d76a435fdf02ce5e264699d507a7c0c25a7a037c1b51802e128fa35b97a2f0eb2c58847dfdbb0e2624496188e1a32b6e9
SSDEEP

12288:vvIArRDjmkqR6tv3cKOuWmDxyEI+mVLIOlxBnS48+MVjt1wIbo:vvI9ptuWKxyEI+mNIOl7nSd+MVxho

Score

1^/10

Malware Config

Signatures

Files

libcurl.dll
.dll windows x64

c86121860bee8f7935c9ca830d327682

Code Sign

01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0
Certificate

Issuer

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

Not Before

09/06/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

29/03/2022, 00:00

Not After

14/03/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

03:aa:64:92:de:9d:96:a9:0a:4b:ca:97:be:ad:b4:4a
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

13/05/2022, 00:00

Not After

14/05/2025, 23:59

Subject

CN=Notepad\+\+,O=Notepad\+\+,L=Saint Cloud,ST=Ile-de-France,C=FR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

74:f3:88:a0:3a:79:e8:59:5a:49:59:28:e3:b4:c5:0b:d1:05:b7:68
Signer

Actual PE Digest

74:f3:88:a0:3a:79:e8:59:5a:49:59:28:e3:b4:c5:0b:d1:05:b7:68

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Notepad\+\+,O=Notepad\+\+,L=Saint Cloud,ST=Ile-de-France,C=FR

15/07/2022, 16:07
Valid: true

Chain 1

CN=Notepad\+\+,O=Notepad\+\+,L=Saint Cloud,ST=Ile-de-France,C=FR

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

ws2_32

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

wldap32

ord217
ord301
ord200
ord30
ord79
ord35
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord211
ord46
ord143

advapi32

CryptAcquireContextA
CryptDestroyKey
CryptImportKey
CryptEncrypt
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptGenRandom
CryptReleaseContext

crypt32

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

normaliz

IdnToAscii

kernel32

GetFileAttributesExW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapAlloc
HeapFree
GetConsoleOutputCP
SetStdHandle
ReadConsoleW
GetConsoleMode
GetModuleFileNameW
ExitProcess
SetFilePointerEx
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
CreateThread
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetFileInformationByHandle
SetEndOfFile
GetCurrentDirectoryW
GetFullPathNameW
HeapReAlloc
FlushFileBuffers
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
DeleteFileW
GetStringTypeW
GetTimeZoneInformation
HeapSize
WriteConsoleW
WriteFile
SetLastError
GetDriveTypeW
CreateFileW
RtlPcToFileHeader
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
SleepEx
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
GetProcAddress
CloseHandle
WaitForSingleObjectEx
GetEnvironmentVariableA
Sleep
MoveFileExA
GetLastError
RtlUnwind
FormatMessageW
QueryPerformanceFrequency
GetSystemDirectoryA
GetModuleHandleA
LoadLibraryA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
QueryPerformanceCounter
GetTickCount
VerSetConditionMask
VerifyVersionInfoA
CreateFileA
GetFileSizeEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RaiseException
RtlUnwindEx
InterlockedFlushSList
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
EncodePointer

Exports

Exports

curl_easy_cleanup
curl_easy_duphandle
curl_easy_escape
curl_easy_getinfo
curl_easy_init
curl_easy_option_by_id
curl_easy_option_by_name
curl_easy_option_next
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_easy_upkeep
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_global_sslset
curl_maprintf
curl_mfprintf
curl_mime_addpart
curl_mime_data
curl_mime_data_cb
curl_mime_encoder
curl_mime_filedata
curl_mime_filename
curl_mime_free
curl_mime_headers
curl_mime_init
curl_mime_name
curl_mime_subparts
curl_mime_type
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_poll
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_multi_wakeup
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_url
curl_url_cleanup
curl_url_dup
curl_url_get
curl_url_set
curl_version
curl_version_info

Sections

.text
Size: 486KB - Virtual size: 485KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 130KB - Virtual size: 129KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c86121860bee8f7935c9ca830d327682

Code Sign

01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

Extended Key Usages

Key Usages

03:aa:64:92:de:9d:96:a9:0a:4b:ca:97:be:ad:b4:4aCertificate

Extended Key Usages

Key Usages

74:f3:88:a0:3a:79:e8:59:5a:49:59:28:e3:b4:c5:0b:d1:05:b7:68Signer

Signature Validations

Verification

15/07/2022, 16:07 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

wldap32

advapi32

crypt32

normaliz

kernel32

Exports

Exports

Sections

.text Size: 486KB - Virtual size: 485KB

.rdata Size: 130KB - Virtual size: 129KB

.data Size: 11KB - Virtual size: 15KB

.pdata Size: 22KB - Virtual size: 22KB

_RDATA Size: 512B - Virtual size: 244B

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

.reloc Size: 3KB - Virtual size: 3KB

01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

03:aa:64:92:de:9d:96:a9:0a:4b:ca:97:be:ad:b4:4a
Certificate

74:f3:88:a0:3a:79:e8:59:5a:49:59:28:e3:b4:c5:0b:d1:05:b7:68
Signer

15/07/2022, 16:07
Valid: true

.text
Size: 486KB - Virtual size: 485KB

.rdata
Size: 130KB - Virtual size: 129KB

.data
Size: 11KB - Virtual size: 15KB

.pdata
Size: 22KB - Virtual size: 22KB

_RDATA
Size: 512B - Virtual size: 244B

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

.reloc
Size: 3KB - Virtual size: 3KB