opera gx[.]exe

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General

Target

opera gx.exe
Size

3.4MB
MD5

d895d11c73a652fecd3a046d6eea2acb
SHA1

89e4ffd5920380aea4fcb9f88e3b83cafe6f56ef
SHA256

9724e5432aaa3b414382c5f98fca24b567734fb5abf78615e845adb09b8e7527
SHA512

e969d6810edad9d53ff7964062d182726dc5430a9a885cc670f20e25df73ad7373f4a7795f5f64457afc9517e719707155f23cd29a84346c01e5209470e9e9b8
SSDEEP

98304:vCQCHKWku5EgWanSVOiNa5isQaY4u5R7/tTixMgGBQOr3hbJoZm0oceqHFk8puAB:vCQCH9pC6p5isQp4Utzj3hbJo1o+HFkO

Score

8^/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

Files

opera gx.exe
.exe windows x86

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

0d:fc:1c:f4:92:37:cf:5b:71:44:36:1f:55:43:75:ec
Certificate

Issuer

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

Not Before

31/03/2022, 00:00

Not After

29/03/2023, 23:59

Subject

SERIALNUMBER=916 368 127,CN=Opera Norway AS,O=Opera Norway AS,L=Oslo,ST=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,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

23:ec:2b:9c:c9:7c:1c:26:1f:97:20:f9:ce:fb:e9:ae:1d:79:2c:f5:7d:0f:57:1b:64:c9:c5:8c:16:7e:3f:9b
Signer

Actual PE Digest

23:ec:2b:9c:c9:7c:1c:26:1f:97:20:f9:ce:fb:e9:ae:1d:79:2c:f5:7d:0f:57:1b:64:c9:c5:8c:16:7e:3f:9b

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=916 368 127,CN=Opera Norway AS,O=Opera Norway AS,L=Oslo,ST=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

20/01/2023, 13:57
Valid: true

Chain 1

SERIALNUMBER=916 368 127,CN=Opera Norway AS,O=Opera Norway AS,L=Oslo,ST=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

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

SERIALNUMBER=916 368 127,CN=Opera Norway AS,O=Opera Norway AS,L=Oslo,ST=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

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_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 2.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 3.4MB - Virtual size: 3.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 12KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 281KB - Virtual size: 281KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 126B

.rsrc
Size: 5.2MB - Virtual size: 5.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

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

Extended Key Usages

Key Usages

0d:fc:1c:f4:92:37:cf:5b:71:44:36:1f:55:43:75:ecCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

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

23:ec:2b:9c:c9:7c:1c:26:1f:97:20:f9:ce:fb:e9:ae:1d:79:2c:f5:7d:0f:57:1b:64:c9:c5:8c:16:7e:3f:9bSigner

Signature Validations

Verification

20/01/2023, 13:57 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.3MB

UPX1 Size: 3.4MB - Virtual size: 3.4MB

.rsrc Size: 12KB - Virtual size: 16KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 281KB - Virtual size: 281KB

.rdata Size: 55KB - Virtual size: 55KB

.data Size: 7KB - Virtual size: 12KB

.00cfg Size: 512B - Virtual size: 4B

.tls Size: 512B - Virtual size: 9B

.voltbl Size: 512B - Virtual size: 126B

.rsrc Size: 5.2MB - Virtual size: 5.2MB

.reloc Size: 15KB - Virtual size: 14KB

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

0d:fc:1c:f4:92:37:cf:5b:71:44:36:1f:55:43:75:ec
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
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

23:ec:2b:9c:c9:7c:1c:26:1f:97:20:f9:ce:fb:e9:ae:1d:79:2c:f5:7d:0f:57:1b:64:c9:c5:8c:16:7e:3f:9b
Signer

20/01/2023, 13:57
Valid: true

UPX0
Size: - Virtual size: 2.3MB

UPX1
Size: 3.4MB - Virtual size: 3.4MB

.rsrc
Size: 12KB - Virtual size: 16KB

.text
Size: 281KB - Virtual size: 281KB

.rdata
Size: 55KB - Virtual size: 55KB

.data
Size: 7KB - Virtual size: 12KB

.00cfg
Size: 512B - Virtual size: 4B

.tls
Size: 512B - Virtual size: 9B

.voltbl
Size: 512B - Virtual size: 126B

.rsrc
Size: 5.2MB - Virtual size: 5.2MB

.reloc
Size: 15KB - Virtual size: 14KB