zip[.]dll | Triage

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General

Target

zip.dll
Size

82KB
MD5

60855abb4c9e290ebcd042ec0e2cce3a
SHA1

a337c877e8ba87a12d1652f5b4e278c772fa11a6
SHA256

ac1f000cdc720dc91e7afbac9f1d327937137ef967e4eadddc2080d548f0b960
SHA512

3d7ea2a8a60fd952c8a4ddc3eab3dc84bec36cd0ac06f6cef12642687a9c033b9c926a9009c5e5c19cda39fccda7fd69ab7191a0f81466ba6932e2e75862af22
SSDEEP

1536:2TOAwGTcwmhHi83eE5Id6ylE7F82tcIOQIOgsnToIfKDUlP:2T5wGTcwmNlP8lE7vtSGgATBfKDUlP

Score

1^/10

Malware Config

Signatures

Files

zip.dll
.dll windows x64

444a983c893db0f1bd7a4a189d97693a

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

33:ec:69:82:86:b0:42:4c:6b:c0:dd:63:5d:08:7b:5c:7a:7b:ad:d3:3d:32:ba:8a:a1:71:17:56:5b:ff:41:42
Signer

Actual PE Digest

33:ec:69:82:86:b0:42:4c:6b:c0:dd:63:5d:08:7b:5c:7a:7b:ad:d3:3d:32:ba:8a:a1:71:17:56:5b:ff:41:42

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

21/04/2022, 12:57
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

jvm

jio_fprintf
JVM_RawMonitorCreate
JVM_RawMonitorDestroy
JVM_RawMonitorEnter
JVM_RawMonitorExit
JVM_GetLastErrorString
JVM_NativePath

java

JNU_ThrowOutOfMemoryError
JNU_ThrowIllegalArgumentException
JNU_ThrowInternalError
JNU_ThrowByName
handleLseek
JNU_NewStringPlatform
JNU_GetStringPlatformChars
JNU_ReleaseStringPlatformChars
JNU_ClassString
JNU_NewObjectByName
winFileHandleOpen
getErrorString
handleRead
JNU_ThrowIOExceptionWithLastError

kernel32

GetSystemTimeAsFileTime
RtlLookupFunctionEntry
RtlCaptureContext
CloseHandle
CreateFileA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsDebuggerPresent
InitializeSListHead
DisableThreadLibraryCalls
RtlVirtualUnwind
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent

vcruntime140

memcpy
memset
__C_specific_handler
__std_type_info_destroy_list

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

free
calloc
realloc
malloc

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

__acrt_iob_func
__stdio_common_vsprintf

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

_execute_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm_e
_initterm
_cexit
_initialize_onexit_table
_errno

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

_strdup
strlen
strcpy
strcmp

Exports

Exports

Java_java_util_jar_JarFile_getMetaInfEntryNames
Java_java_util_zip_Adler32_update
Java_java_util_zip_Adler32_updateByteBuffer
Java_java_util_zip_Adler32_updateBytes
Java_java_util_zip_CRC32_update
Java_java_util_zip_CRC32_updateByteBuffer
Java_java_util_zip_CRC32_updateBytes
Java_java_util_zip_Deflater_deflateBytes
Java_java_util_zip_Deflater_end
Java_java_util_zip_Deflater_getAdler
Java_java_util_zip_Deflater_init
Java_java_util_zip_Deflater_initIDs
Java_java_util_zip_Deflater_reset
Java_java_util_zip_Deflater_setDictionary
Java_java_util_zip_Inflater_end
Java_java_util_zip_Inflater_getAdler
Java_java_util_zip_Inflater_inflateBytes
Java_java_util_zip_Inflater_init
Java_java_util_zip_Inflater_initIDs
Java_java_util_zip_Inflater_reset
Java_java_util_zip_Inflater_setDictionary
Java_java_util_zip_ZipFile_close
Java_java_util_zip_ZipFile_freeEntry
Java_java_util_zip_ZipFile_getCentralDirectoryBytes
Java_java_util_zip_ZipFile_getCommentBytes
Java_java_util_zip_ZipFile_getEntry
Java_java_util_zip_ZipFile_getEntryBytes
Java_java_util_zip_ZipFile_getEntryCSize
Java_java_util_zip_ZipFile_getEntryCrc
Java_java_util_zip_ZipFile_getEntryFlag
Java_java_util_zip_ZipFile_getEntryMethod
Java_java_util_zip_ZipFile_getEntrySize
Java_java_util_zip_ZipFile_getEntryTime
Java_java_util_zip_ZipFile_getManifestNum
Java_java_util_zip_ZipFile_getNextEntry
Java_java_util_zip_ZipFile_getTotal
Java_java_util_zip_ZipFile_getZipMessage
Java_java_util_zip_ZipFile_initIDs
Java_java_util_zip_ZipFile_open
Java_java_util_zip_ZipFile_read
Java_java_util_zip_ZipFile_startsWithLOC
ZIP_CRC32
ZIP_Close
ZIP_FindEntry
ZIP_GetNextEntry
ZIP_Open
ZIP_ReadEntry

Sections

.text
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 25KB - Virtual size: 24KB

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 888B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 92B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

444a983c893db0f1bd7a4a189d97693a

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

33:ec:69:82:86:b0:42:4c:6b:c0:dd:63:5d:08:7b:5c:7a:7b:ad:d3:3d:32:ba:8a:a1:71:17:56:5b:ff:41:42Signer

Signature Validations

Verification

21/04/2022, 12:57 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

jvm

java

kernel32

vcruntime140

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

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

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

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

Exports

Exports

Sections

.text Size: 45KB - Virtual size: 44KB

.rdata Size: 25KB - Virtual size: 24KB

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

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

.rsrc Size: 1024B - Virtual size: 888B

.reloc Size: 512B - Virtual size: 92B

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

33:ec:69:82:86:b0:42:4c:6b:c0:dd:63:5d:08:7b:5c:7a:7b:ad:d3:3d:32:ba:8a:a1:71:17:56:5b:ff:41:42
Signer

21/04/2022, 12:57
Valid: true

.text
Size: 45KB - Virtual size: 44KB

.rdata
Size: 25KB - Virtual size: 24KB

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

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

.rsrc
Size: 1024B - Virtual size: 888B

.reloc
Size: 512B - Virtual size: 92B