Downloads[.]zip

Sharing

Copy URL

Twitter E-mail

General

Target

Downloads.zip
Size

32.2MB
MD5

cac4e6b828e6f6e33cd87742108151ae
SHA1

a0bbb4e4c2029373a1322731f1198d3f2abbcd8a
SHA256

7841722dfa8d0e968bcb86dec56aa2cd00453e980ff92895304e6a886f6dea03
SHA512

534c510b2be26fb87f280ed1d7322a28f8cbd908123e6666bffb54b0fa2e9509b428778b345a58f3af6c578733552e3c0a0625160271308e11032a1ded28a626
SSDEEP

786432:PribKfUtBuxOKXOMFjLHzrjOS2ZgJ8uFw:DaKfsBufOafT+JZoFw

Score

N/A

Malware Config

Signatures

Files

Downloads.zip
.zip
WDLocale.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

18:25:38:0b:7b:86:8a:7f:4f:8f:d6:e3:06:b1:81:39
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/03/2016, 00:00

Not After

22/03/2017, 23:59

Subject

CN=WESTERN DIGITAL TECHNOLOGIES,O=WESTERN DIGITAL TECHNOLOGIES,L=IRVINE,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

18:25:38:0b:7b:86:8a:7f:4f:8f:d6:e3:06:b1:81:39
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/03/2016, 00:00

Not After

22/03/2017, 23:59

Subject

CN=WESTERN DIGITAL TECHNOLOGIES,O=WESTERN DIGITAL TECHNOLOGIES,L=IRVINE,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

54:f3:7d:a1:71:67:51:bc:6a:8d:0a:d2:74:b2:8b:13
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

12/01/2016, 00:00

Not After

11/04/2027, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G1,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

61:aa:d4:2d:7e:d9:ff:ce:85:2c:68:95:31:32:9c:47:5c:7f:40:95:85:dc:16:bf:fa:4b:6a:8b:32:72:89:97
Signer

Actual PE Digest

61:aa:d4:2d:7e:d9:ff:ce:85:2c:68:95:31:32:9c:47:5c:7f:40:95:85:dc:16:bf:fa:4b:6a:8b:32:72:89:97

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WESTERN DIGITAL TECHNOLOGIES,O=WESTERN DIGITAL TECHNOLOGIES,L=IRVINE,ST=California,C=US

15/04/2016, 22:36
Valid: false

37:a8:05:44:db:50:2f:5b:fb:41:09:f0:fa:77:c2:74:9f:f0:d5:0c
Signer

Actual PE Digest

37:a8:05:44:db:50:2f:5b:fb:41:09:f0:fa:77:c2:74:9f:f0:d5:0c

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WESTERN DIGITAL TECHNOLOGIES,O=WESTERN DIGITAL TECHNOLOGIES,L=IRVINE,ST=California,C=US

15/04/2016, 22:36
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
WDSync.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 32.5MB - Virtual size: 32.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
WDSyncService.exe
.exe windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

85:b5:3b:4a:f8:6e:8f:78:e6:f4:cf:2b:5a:87:7f:ec
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

30/03/2018, 00:00

Not After

30/03/2019, 23:59

Subject

CN=Western Digital Technologies\, Inc.,O=Western Digital Technologies\, Inc.,POSTALCODE=92612,STREET=Suite 100+STREET=3355 Michelson Drive,L=Irvine,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

85:b5:3b:4a:f8:6e:8f:78:e6:f4:cf:2b:5a:87:7f:ec
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

30/03/2018, 00:00

Not After

30/03/2019, 23:59

Subject

CN=Western Digital Technologies\, Inc.,O=Western Digital Technologies\, Inc.,POSTALCODE=92612,STREET=Suite 100+STREET=3355 Michelson Drive,L=Irvine,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

ae:e0:fd:52:fa:65:bc:58:51:7f:23:44:46:bf:f3:b4:d7:c5:bf:c6:dd:7e:61:60:4e:d5:da:cb:7d:39:60:4a
Signer

Actual PE Digest

ae:e0:fd:52:fa:65:bc:58:51:7f:23:44:46:bf:f3:b4:d7:c5:bf:c6:dd:7e:61:60:4e:d5:da:cb:7d:39:60:4a

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Western Digital Technologies\, Inc.,O=Western Digital Technologies\, Inc.,POSTALCODE=92612,STREET=Suite 100+STREET=3355 Michelson Drive,L=Irvine,ST=CA,C=US

04/05/2018, 14:04
Valid: true

Chain 1

CN=Western Digital Technologies\, Inc.,O=Western Digital Technologies\, Inc.,POSTALCODE=92612,STREET=Suite 100+STREET=3355 Michelson Drive,L=Irvine,ST=CA,C=US

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

1a:20:e0:a2:89:b0:fa:ce:6e:4c:1e:8f:5f:04:1d:81:7f:e2:d6:98
Signer

Actual PE Digest

1a:20:e0:a2:89:b0:fa:ce:6e:4c:1e:8f:5f:04:1d:81:7f:e2:d6:98

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Western Digital Technologies\, Inc.,O=Western Digital Technologies\, Inc.,POSTALCODE=92612,STREET=Suite 100+STREET=3355 Michelson Drive,L=Irvine,ST=CA,C=US

04/05/2018, 14:04
Valid: true

Chain 1

CN=Western Digital Technologies\, Inc.,O=Western Digital Technologies\, Inc.,POSTALCODE=92612,STREET=Suite 100+STREET=3355 Michelson Drive,L=Irvine,ST=CA,C=US

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 126KB - Virtual size: 126KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

dae02f32a21e03ce65412f6e56942daa

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

18:25:38:0b:7b:86:8a:7f:4f:8f:d6:e3:06:b1:81:39Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

18:25:38:0b:7b:86:8a:7f:4f:8f:d6:e3:06:b1:81:39Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

54:f3:7d:a1:71:67:51:bc:6a:8d:0a:d2:74:b2:8b:13Certificate

Extended Key Usages

Key Usages

61:aa:d4:2d:7e:d9:ff:ce:85:2c:68:95:31:32:9c:47:5c:7f:40:95:85:dc:16:bf:fa:4b:6a:8b:32:72:89:97Signer

Signature Validations

Verification

15/04/2016, 22:36 Valid: false

37:a8:05:44:db:50:2f:5b:fb:41:09:f0:fa:77:c2:74:9f:f0:d5:0cSigner

Signature Validations

Verification

15/04/2016, 22:36 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 19KB - Virtual size: 19KB

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

.reloc Size: 512B - Virtual size: 12B

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 32.5MB - Virtual size: 32.5MB

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

.reloc Size: 512B - Virtual size: 12B

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

85:b5:3b:4a:f8:6e:8f:78:e6:f4:cf:2b:5a:87:7f:ecCertificate

Extended Key Usages

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

85:b5:3b:4a:f8:6e:8f:78:e6:f4:cf:2b:5a:87:7f:ecCertificate

Extended Key Usages

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

18:25:38:0b:7b:86:8a:7f:4f:8f:d6:e3:06:b1:81:39
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

18:25:38:0b:7b:86:8a:7f:4f:8f:d6:e3:06:b1:81:39
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

54:f3:7d:a1:71:67:51:bc:6a:8d:0a:d2:74:b2:8b:13
Certificate

61:aa:d4:2d:7e:d9:ff:ce:85:2c:68:95:31:32:9c:47:5c:7f:40:95:85:dc:16:bf:fa:4b:6a:8b:32:72:89:97
Signer

15/04/2016, 22:36
Valid: false

37:a8:05:44:db:50:2f:5b:fb:41:09:f0:fa:77:c2:74:9f:f0:d5:0c
Signer

15/04/2016, 22:36
Valid: false

.text
Size: 19KB - Virtual size: 19KB

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

.reloc
Size: 512B - Virtual size: 12B

.text
Size: 32.5MB - Virtual size: 32.5MB

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

.reloc
Size: 512B - Virtual size: 12B

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

85:b5:3b:4a:f8:6e:8f:78:e6:f4:cf:2b:5a:87:7f:ec
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

85:b5:3b:4a:f8:6e:8f:78:e6:f4:cf:2b:5a:87:7f:ec
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

ae:e0:fd:52:fa:65:bc:58:51:7f:23:44:46:bf:f3:b4:d7:c5:bf:c6:dd:7e:61:60:4e:d5:da:cb:7d:39:60:4a
Signer

04/05/2018, 14:04
Valid: true

1a:20:e0:a2:89:b0:fa:ce:6e:4c:1e:8f:5f:04:1d:81:7f:e2:d6:98
Signer

04/05/2018, 14:04
Valid: true

.text
Size: 13KB - Virtual size: 12KB

.rsrc
Size: 126KB - Virtual size: 126KB

.reloc
Size: 512B - Virtual size: 12B