zlib1v3[.]exe | Triage

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General

Target

zlib1v3.exe
Size

95KB
MD5

a1c1c984b1b2d2375b43fb66b3211e51
SHA1

a7fc0483d2507dfdc14cd8bf061a12551c1bd986
SHA256

db5fca90b5b3332bf06e15b4fd2a41fb4ba418e0e7f2b92a76defee0af26cedd
SHA512

bd84f65b118342b5b26085eedb71114b84b75a112f727862e43fd87d2f747243c7424b6cbffbf01e8f1aada30a65797206d60558a4c9e7d1d4d0ccbc249e7aac
SSDEEP

1536:4GDfYHchIkeRIT09X/8JQyRJT7JofFW0bsxQixEMZv+LViu6f:4AYHcmy+X/8yIto9Wis6K+8uc

Score

N/A

Malware Config

Signatures

Files

zlib1v3.exe
.exe windows x86

a6395c68dfe647509ad9d94b8cd4ef96

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

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

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

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

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:01:c3:ff:88:55:f0:08:c8:e4:fa:63:97:32:52:e6
Certificate

Issuer

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

Not Before

23/03/2019, 00:00

Not After

30/03/2022, 12:00

Subject

SERIALNUMBER=4489370,CN=NCH Software\, Inc.,O=NCH Software\, Inc.,L=Greenwood Village,ST=Colorado,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0d:d0:e3:37:4a:c9:5b:db:fa:6b:43:4b:2a:48:ec:06
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:b9:14:f4:75:ba:6f:ac:ea:57:5d:b5:25:12:5c:7a
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2019, 00:00

Not After

30/03/2022, 12:00

Subject

SERIALNUMBER=4489370,CN=NCH Software\, Inc.,O=NCH Software\, Inc.,L=Greenwood Village,ST=Colorado,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

38:63:de:f8
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

24/12/1999, 17:50

Not After

24/07/2029, 14:15

Subject

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

22/07/2015, 19:02

Not After

22/06/2029, 19:32

Subject

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
Certificate

Issuer

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

22/07/2020, 15:33

Not After

29/12/2030, 16:29

Subject

CN=Entrust Timestamp Authority - TSA1,O=Entrust\, Inc.,L=Ottawa,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

a2:fa:37:c7:bc:3f:28:fc:0c:bd:d4:31:6b:2e:4d:a2:a4:68:cf:6f:0e:63:a1:08:28:08:2d:8e:72:66:0c:e9
Signer

Actual PE Digest

a2:fa:37:c7:bc:3f:28:fc:0c:bd:d4:31:6b:2e:4d:a2:a4:68:cf:6f:0e:63:a1:08:28:08:2d:8e:72:66:0c:e9

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=4489370,CN=NCH Software\, Inc.,O=NCH Software\, Inc.,L=Greenwood Village,ST=Colorado,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

10/10/2021, 05:57
Valid: true

Chain 1

SERIALNUMBER=4489370,CN=NCH Software\, Inc.,O=NCH Software\, Inc.,L=Greenwood Village,ST=Colorado,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

f5:bc:e4:13:18:15:1e:8c:57:fd:61:4a:7d:6c:3c:e7:71:81:9c:44
Signer

Actual PE Digest

f5:bc:e4:13:18:15:1e:8c:57:fd:61:4a:7d:6c:3c:e7:71:81:9c:44

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

SERIALNUMBER=4489370,CN=NCH Software\, Inc.,O=NCH Software\, Inc.,L=Greenwood Village,ST=Colorado,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

10/10/2021, 05:57
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

SizeofResource
LoadResource
GetTempFileNameA
WriteFile
LoadLibraryA
GetModuleHandleA
GetVersionExA
GetEnvironmentVariableA
ExitProcess
CloseHandle
CreateProcessA
WaitForSingleObject
GetTempPathA
LockResource
FindResourceA
lstrcpyA
DeleteFileA
CreateFileA
CreateDirectoryA
GetProcAddress

user32

wsprintfA
MessageBoxA

advapi32

RegQueryValueExA
RegOpenKeyExA
RegCloseKey
RegCreateKeyExA
RegSetValueExA

setupapi

SetupIterateCabinetA

Sections

.rdata
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 68KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a6395c68dfe647509ad9d94b8cd4ef96

Code Sign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

0a:01:c3:ff:88:55:f0:08:c8:e4:fa:63:97:32:52:e6Certificate

Extended Key Usages

Key Usages

0d:d0:e3:37:4a:c9:5b:db:fa:6b:43:4b:2a:48:ec:06Certificate

Extended Key Usages

Key Usages

07:b9:14:f4:75:ba:6f:ac:ea:57:5d:b5:25:12:5c:7aCertificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

38:63:de:f8Certificate

Key Usages

58:da:13:ff:00:00:00:00:51:ce:0d:f7Certificate

Extended Key Usages

Key Usages

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4Certificate

Extended Key Usages

Key Usages

a2:fa:37:c7:bc:3f:28:fc:0c:bd:d4:31:6b:2e:4d:a2:a4:68:cf:6f:0e:63:a1:08:28:08:2d:8e:72:66:0c:e9Signer

Signature Validations

Verification

10/10/2021, 05:57 Valid: true

Chain 1

f5:bc:e4:13:18:15:1e:8c:57:fd:61:4a:7d:6c:3c:e7:71:81:9c:44Signer

Signature Validations

Verification

10/10/2021, 05:57 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

setupapi

Sections

.rdata Size: 4KB - Virtual size: 1KB

.data Size: 4KB - Virtual size: 1KB

.rsrc Size: 68KB - Virtual size: 65KB

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

0a:01:c3:ff:88:55:f0:08:c8:e4:fa:63:97:32:52:e6
Certificate

0d:d0:e3:37:4a:c9:5b:db:fa:6b:43:4b:2a:48:ec:06
Certificate

07:b9:14:f4:75:ba:6f:ac:ea:57:5d:b5:25:12:5c:7a
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

38:63:de:f8
Certificate

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
Certificate

a2:fa:37:c7:bc:3f:28:fc:0c:bd:d4:31:6b:2e:4d:a2:a4:68:cf:6f:0e:63:a1:08:28:08:2d:8e:72:66:0c:e9
Signer

10/10/2021, 05:57
Valid: true

f5:bc:e4:13:18:15:1e:8c:57:fd:61:4a:7d:6c:3c:e7:71:81:9c:44
Signer

10/10/2021, 05:57
Valid: false

.rdata
Size: 4KB - Virtual size: 1KB

.data
Size: 4KB - Virtual size: 1KB

.rsrc
Size: 68KB - Virtual size: 65KB