Thunderbird_Setup_78[.]8[.]1[.]exe

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General

Target

Thunderbird_Setup_78.8.1.exe
Size

49.1MB
MD5

231b5f94c246dafbd2dfb88cccc69708
SHA1

96a72f81fbea1196711f7d82b22a72d1f1589078
SHA256

b181d5270cbf6792908bc243d035bd8118c8d6f5d174f2f143e4378627f16d2c
SHA512

dc1e3ff3eaec205ae43f2b09975198eb8e707eb04b2fbbb930003743e6434707d2c4c4a0b3826cfd9561288ec7a4972866463e8bb431963a6377afa23fa741e2
SSDEEP

786432:En7+KJ4sw96blqg+YeTmr2IN7Be3NLAZ+1dppBNftOG8J40p32nWwsH51g5tA4L/:iZuQFeU2UE3Nq4HtO/2nU25tA4LVNfki

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

Thunderbird_Setup_78.8.1.exe
.exe windows:4 windows x86 arch:x86

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

Issuer

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

Not Before

10/11/2006, 00:00

Not After

10/11/2031, 00:00

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

0d:de:b5:3f:95:73:37:fb:ea:f9:8c:4a:61:5b:14:9d
Certificate

Issuer

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

Not Before

07/05/2020, 00:00

Not After

12/05/2021, 12:00

Subject

CN=Mozilla Corporation,OU=Firefox Engineering Operations,O=Mozilla Corporation,L=Mountain View,ST=California,C=US,1.2.840.113549.1.9.1=#0c2072656c656173652b636572746966696361746573406d6f7a696c6c612e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7e:89:b9:df:00:6b:d1:aa:4c:48:d8:65:03:96:34:ca
Certificate

Issuer

CN=Dummy

Not Before

01/01/2013, 07:00

Not After

02/01/2013, 07:00

Subject

CN=Dummy

Extended Key Usages

ExtKeyUsageCodeSigning

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

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

bb:12:e6:bd:dd:58:ae:f8:41:44:a0:e4:39:1e:65:97:f3:c1:fc:8a
Signer

Actual PE Digest

bb:12:e6:bd:dd:58:ae:f8:41:44:a0:e4:39:1e:65:97:f3:c1:fc:8a

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 132KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 64KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 50KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 105KB - Virtual size: 105KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 50KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39Certificate

Key Usages

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

Extended Key Usages

Key Usages

0d:de:b5:3f:95:73:37:fb:ea:f9:8c:4a:61:5b:14:9dCertificate

Extended Key Usages

Key Usages

7e:89:b9:df:00:6b:d1:aa:4c:48:d8:65:03:96:34:caCertificate

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

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

Extended Key Usages

Key Usages

bb:12:e6:bd:dd:58:ae:f8:41:44:a0:e4:39:1e:65:97:f3:c1:fc:8aSigner

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 132KB

UPX1 Size: 64KB - Virtual size: 68KB

.rsrc Size: 50KB - Virtual size: 52KB

Headers

File Characteristics

Sections

.text Size: 105KB - Virtual size: 105KB

.rdata Size: 16KB - Virtual size: 15KB

.data Size: 2KB - Virtual size: 10KB

.rsrc Size: 50KB - Virtual size: 49KB

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

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

0d:de:b5:3f:95:73:37:fb:ea:f9:8c:4a:61:5b:14:9d
Certificate

7e:89:b9:df:00:6b:d1:aa:4c:48:d8:65:03:96:34:ca
Certificate

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

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

bb:12:e6:bd:dd:58:ae:f8:41:44:a0:e4:39:1e:65:97:f3:c1:fc:8a
Signer

UPX0
Size: - Virtual size: 132KB

UPX1
Size: 64KB - Virtual size: 68KB

.rsrc
Size: 50KB - Virtual size: 52KB

.text
Size: 105KB - Virtual size: 105KB

.rdata
Size: 16KB - Virtual size: 15KB

.data
Size: 2KB - Virtual size: 10KB

.rsrc
Size: 50KB - Virtual size: 49KB