firefox-52[.]9[.]0esr[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

firefox-52.9.0esr.exe
Size

43.4MB
MD5

5d64c10c24eb9926aac0a5096d23a59c
SHA1

1c3af7a2b0f2f9ae209a9f170e07b35906bd3a1f
SHA256

f621458f7be8ee247606ece062de77f1cd7b5113ebd341c5b09d6ad7f51118fb
SHA512

8fab6469f06e62236a2e3f2291fb7dfcf927ebbdbdac73bc90977e0579a4e69428899a388b7eed62b39385a0012502c8d7f5d422a219e7fc9ff711cf96148136
SSDEEP

786432:DeYOCaTS7eqNeE/wERE4XgNyjdCewXMJlj:DBOCae6/E/wcn5L

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

firefox-52.9.0esr.exe
.exe windows 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

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bd
Certificate

Issuer

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

Not Before

11/02/2011, 12:00

Not After

10/02/2026, 12:00

Subject

CN=DigiCert Assured ID Code Signing CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:2c:25:f8:db:b4:92:c8:50:c5:f1:35:9a:60:69:e7
Certificate

Issuer

CN=DigiCert Assured ID Code Signing CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/08/2016, 00:00

Not After

23/08/2019, 12:00

Subject

CN=Mozilla Corporation,O=Mozilla Corporation,L=Mountain View,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

94:f4:8c:a2:b7:22:fd:c8:b1:60:8b:cf:45:b0:2d:f9:be:8d:37:52
Signer

Actual PE Digest

94:f4:8c:a2:b7:22:fd:c8:b1:60:8b:cf:45:b0:2d:f9:be:8d:37:52

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: 59KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 34KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows 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: 124KB - Virtual size: 124KB

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: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 34KB - Virtual size: 34KB

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

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bdCertificate

Extended Key Usages

Key Usages

0d:2c:25:f8:db:b4:92:c8:50:c5:f1:35:9a:60:69:e7Certificate

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

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

Extended Key Usages

Key Usages

94:f4:8c:a2:b7:22:fd:c8:b1:60:8b:cf:45:b0:2d:f9:be:8d:37:52Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 132KB

UPX1 Size: 59KB - Virtual size: 60KB

.rsrc Size: 34KB - Virtual size: 36KB

Headers

File Characteristics

Sections

.text Size: 124KB - Virtual size: 124KB

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

.data Size: 2KB - Virtual size: 3KB

.rsrc Size: 34KB - Virtual size: 34KB

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

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bd
Certificate

0d:2c:25:f8:db:b4:92:c8:50:c5:f1:35:9a:60:69:e7
Certificate

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

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

94:f4:8c:a2:b7:22:fd:c8:b1:60:8b:cf:45:b0:2d:f9:be:8d:37:52
Signer

UPX0
Size: - Virtual size: 132KB

UPX1
Size: 59KB - Virtual size: 60KB

.rsrc
Size: 34KB - Virtual size: 36KB

.text
Size: 124KB - Virtual size: 124KB

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

.data
Size: 2KB - Virtual size: 3KB

.rsrc
Size: 34KB - Virtual size: 34KB