zip[.]dll | Triage

Sharing

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General

Target

zip.dll
Size

85KB
MD5

905f09a088594783e9b4fe8d0f4c47b8
SHA1

2d627f860304d935c192d6aadaf4cccdd246dd1a
SHA256

b0c163230b2c53dd2b9435740957111a8b82b314cc08e167990f5bdad2af52e2
SHA512

419951c85212905c38abe5781119ea6409612a287acd62f53168594656361e8f889f8c53500bd81e607b4f11a4f7384064016dfbf893e0e9ae8d0d3942ac093d
SSDEEP

1536:coEfRQNw205/27OS/qeHKNAIOQIOgznToIfYO7lUBH7U9/OoNr:coEfRQNwd/wLHe2GgDTBfhmBHPA

Score

N/A

Malware Config

Signatures

Files

zip.dll
.dll windows x64

d5adf4feccf043ecd73630a5e1fa6ca6

Code Sign

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

06:8b:e2:f5:34:52:c8:82:f1:8e:d4:1a:5d:d4:e7:a3
Certificate

Issuer

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

Not Before

19/08/2021, 00:00

Not After

19/08/2023, 23:59

Subject

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

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

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

15:6a:5f:d1:ae:df:25:a8:98:c2:7a:38:53:65:04:6e:02:55:c5:4f:11:05:3f:7f:69:04:ae:27:3f:82:99:6c
Signer

Actual PE Digest

15:6a:5f:d1:ae:df:25:a8:98:c2:7a:38:53:65:04:6e:02:55:c5:4f:11:05:3f:7f:69:04:ae:27:3f:82:99:6c

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,ST=California,C=US

14/09/2022, 13:05
Valid: true

Chain 1

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,ST=California,C=US

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

Chain 2

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,ST=California,C=US

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

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

JVM_RawMonitorExit
JVM_RawMonitorCreate
jio_fprintf
JVM_RawMonitorEnter
JVM_NativePath
JVM_RawMonitorDestroy

java

JNU_ThrowInternalError
JNU_ThrowIllegalArgumentException
JNU_ThrowOutOfMemoryError
getLastErrorString
getPrefixed
handleRead
handleLseek
JNU_ThrowByName
getErrorString

kernel32

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

vcruntime140

__C_specific_handler
memcpy
__std_type_info_destroy_list
memset

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

calloc
realloc
malloc
free

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

__acrt_iob_func

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

_strdup
strlen
strcmp
strcpy

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

_execute_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_cexit
_initialize_onexit_table
_seh_filter_dll
_initterm_e
_initterm
_errno

Exports

Exports

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_updateByteBuffer0
Java_java_util_zip_CRC32_updateBytes0
Java_java_util_zip_Deflater_deflateBufferBuffer
Java_java_util_zip_Deflater_deflateBufferBytes
Java_java_util_zip_Deflater_deflateBytesBuffer
Java_java_util_zip_Deflater_deflateBytesBytes
Java_java_util_zip_Deflater_end
Java_java_util_zip_Deflater_getAdler
Java_java_util_zip_Deflater_init
Java_java_util_zip_Deflater_reset
Java_java_util_zip_Deflater_setDictionary
Java_java_util_zip_Deflater_setDictionaryBuffer
Java_java_util_zip_Inflater_end
Java_java_util_zip_Inflater_getAdler
Java_java_util_zip_Inflater_inflateBufferBuffer
Java_java_util_zip_Inflater_inflateBufferBytes
Java_java_util_zip_Inflater_inflateBytesBuffer
Java_java_util_zip_Inflater_inflateBytesBytes
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_Inflater_setDictionaryBuffer
ZIP_CRC32
ZIP_Close
ZIP_FindEntry
ZIP_GZip_Fully
ZIP_GZip_InitParams
ZIP_GetNextEntry
ZIP_InflateFully
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: 912B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d5adf4feccf043ecd73630a5e1fa6ca6

Code Sign

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

Extended Key Usages

Key Usages

06:8b:e2:f5:34:52:c8:82:f1:8e:d4:1a:5d:d4:e7:a3Certificate

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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

15:6a:5f:d1:ae:df:25:a8:98:c2:7a:38:53:65:04:6e:02:55:c5:4f:11:05:3f:7f:69:04:ae:27:3f:82:99:6cSigner

Signature Validations

Verification

14/09/2022, 13:05 Valid: true

Chain 1

Chain 2

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-string-l1-1-0

api-ms-win-crt-runtime-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: 912B

.reloc Size: 512B - Virtual size: 112B

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

06:8b:e2:f5:34:52:c8:82:f1:8e:d4:1a:5d:d4:e7:a3
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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

15:6a:5f:d1:ae:df:25:a8:98:c2:7a:38:53:65:04:6e:02:55:c5:4f:11:05:3f:7f:69:04:ae:27:3f:82:99:6c
Signer

14/09/2022, 13:05
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: 912B

.reloc
Size: 512B - Virtual size: 112B