attach[.]dll | Triage

Sharing

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General

Target

attach.dll
Size

25KB
MD5

3ae45e6fe87724e5d29b139ad15053eb
SHA1

92a68fd3bbc59b0085682ecd71e2100954ca3e46
SHA256

75ce8f068f279ff59c69896e7059da5625e67a1bcb71e59afe697d1c89ab47cb
SHA512

987290fb3461494b9d56f03a5db2574eeb255580435bd574f1e65251c8787db31d5ff9b13c746a4cd121e5b856e310e8a0e83704967390b5420cc17a08392ae4
SSDEEP

384:3yrdDdBh2IRL8IxP64+2Gpsx0xhv/krr78DG8pQr4i/8E9VFkRT:ir9h2IRwIg4Epyf8DG/eE2

Score

1^/10

Malware Config

Signatures

Files

attach.dll
.dll windows x64

27a97f6d70cd8cb9d0b51996b4377fe0

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

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

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0b:57:4a:41:07:aa:92:e5:9f:28:78:61:b0:2a:6e:c5
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

20/03/2020, 00:00

Not After

18/06/2023, 12:00

Subject

CN=Azul Systems\, Inc.,O=Azul Systems\, Inc.,L=Sunnyvale,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

f6:8c:68:24:9b:35:62:9e:ce:3a:58:ef:13:52:a9:17:84:ee:2a:8a:c8:43:1b:85:65:d7:e2:37:87:c1:63:e9
Signer

Actual PE Digest

f6:8c:68:24:9b:35:62:9e:ce:3a:58:ef:13:52:a9:17:84:ee:2a:8a:c8:43:1b:85:65:d7:e2:37:87:c1:63:e9

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Azul Systems\, Inc.,O=Azul Systems\, Inc.,L=Sunnyvale,ST=California,C=US

19/04/2022, 09:39
Valid: true

Chain 1

CN=Azul Systems\, Inc.,O=Azul Systems\, Inc.,L=Sunnyvale,ST=California,C=US

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert Assured ID Root CA,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

java

JNU_ThrowInternalError
JNU_ThrowByName
JNU_ReleaseStringPlatformChars
JNU_ThrowIOExceptionWithLastError
JNU_ThrowIOException
JNU_GetStringPlatformChars
JNU_NewStringPlatform

advapi32

LookupPrivilegeValueA
ImpersonateSelf
AdjustTokenPrivileges
OpenThreadToken
ConvertStringSecurityDescriptorToSecurityDescriptorA

kernel32

GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
GetSystemTimeAsFileTime
DisableThreadLibraryCalls
RtlLookupFunctionEntry
GetTempPathA
GetVolumeInformationA
CloseHandle
OpenProcess
K32EnumProcesses
K32EnumProcessModules
K32GetModuleBaseNameA
ReadFile
DuplicateHandle
GetLastError
SetLastError
ConnectNamedPipe
WaitForSingleObject
GetCurrentProcess
GetCurrentProcessId
CreateRemoteThread
GetCurrentThread
GetExitCodeThread
VirtualAllocEx
WriteProcessMemory
VirtualFreeEx
IsWow64Process
GetModuleHandleA
GetProcAddress
LocalFree
CreateNamedPipeA
RtlCaptureContext
QueryPerformanceCounter
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent

vcruntime140

__std_type_info_destroy_list
memset
__C_specific_handler

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

strcmp
strcpy
strncpy

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

malloc
free

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

__stdio_common_vsprintf

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

_initterm_e
_cexit
_initialize_onexit_table
_execute_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm

Exports

Exports

Java_sun_tools_attach_WindowsAttachProvider_enumProcesses
Java_sun_tools_attach_WindowsAttachProvider_isLibraryLoadedByProcess
Java_sun_tools_attach_WindowsAttachProvider_tempPath
Java_sun_tools_attach_WindowsAttachProvider_volumeFlags
Java_sun_tools_attach_WindowsVirtualMachine_closePipe
Java_sun_tools_attach_WindowsVirtualMachine_closeProcess
Java_sun_tools_attach_WindowsVirtualMachine_connectPipe
Java_sun_tools_attach_WindowsVirtualMachine_createPipe
Java_sun_tools_attach_WindowsVirtualMachine_enqueue
Java_sun_tools_attach_WindowsVirtualMachine_generateStub
Java_sun_tools_attach_WindowsVirtualMachine_init
Java_sun_tools_attach_WindowsVirtualMachine_openProcess
Java_sun_tools_attach_WindowsVirtualMachine_readPipe

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6KB - Virtual size: 6KB

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

.pdata
Size: 1024B - Virtual size: 600B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 900B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

27a97f6d70cd8cb9d0b51996b4377fe0

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0b:57:4a:41:07:aa:92:e5:9f:28:78:61:b0:2a:6e:c5Certificate

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

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

Extended Key Usages

Key Usages

f6:8c:68:24:9b:35:62:9e:ce:3a:58:ef:13:52:a9:17:84:ee:2a:8a:c8:43:1b:85:65:d7:e2:37:87:c1:63:e9Signer

Signature Validations

Verification

19/04/2022, 09:39 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

java

advapi32

kernel32

vcruntime140

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

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

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

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

Exports

Exports

Sections

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

.rdata Size: 6KB - Virtual size: 6KB

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

.pdata Size: 1024B - Virtual size: 600B

.rsrc Size: 1024B - Virtual size: 900B

.reloc Size: 512B - Virtual size: 24B

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0b:57:4a:41:07:aa:92:e5:9f:28:78:61:b0:2a:6e:c5
Certificate

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

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

f6:8c:68:24:9b:35:62:9e:ce:3a:58:ef:13:52:a9:17:84:ee:2a:8a:c8:43:1b:85:65:d7:e2:37:87:c1:63:e9
Signer

19/04/2022, 09:39
Valid: true

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

.rdata
Size: 6KB - Virtual size: 6KB

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

.pdata
Size: 1024B - Virtual size: 600B

.rsrc
Size: 1024B - Virtual size: 900B

.reloc
Size: 512B - Virtual size: 24B