bb525a1902f9893d5e671dcacab0f423f5334aa7410fbf7e5696ff7f8d673a61

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General

Target

bb525a1902f9893d5e671dcacab0f423f5334aa7410fbf7e5696ff7f8d673a61
Size

277KB
MD5

b28a5019fc8bef5ff3b84f3c15796c73
SHA1

21ccf7af695a1fb61a6602f4b1a5bf4497a0be09
SHA256

bb525a1902f9893d5e671dcacab0f423f5334aa7410fbf7e5696ff7f8d673a61
SHA512

16b20578a2596dd33140a423ddbf69cd714d1d9bfbcd1dffa1f9c0f66a28f64cd67d54a40ef6cff5f5cd85c8e62ad14c230c6741a8c5560ccf7c25d3aa3244c2
SSDEEP

6144:AXzKdNY49u8rVx7tfTpugmv+3gkCKU01netI:/a4AOtfTnI0g01b

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

bb525a1902f9893d5e671dcacab0f423f5334aa7410fbf7e5696ff7f8d673a61
.exe windows x86

Code Sign

01
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

01/01/2004, 00:00

Not After

31/12/2028, 23:59

Subject

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

f8:f0:31:28:52:d3:a7:0b:43:ed:aa:a5:df:39:c4:a5
Certificate

Issuer

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

Not Before

07/05/2020, 00:00

Not After

06/08/2023, 23:59

Subject

CN=Internet Testing Systems,O=Internet Testing Systems,POSTALCODE=21211,STREET=Suite 401+STREET=3000 Chestnut Ave,L=Baltimore,ST=Maryland,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

12/03/2019, 00:00

Not After

31/12/2028, 23:59

Subject

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

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

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/11/2018, 00:00

Not After

31/12/2030, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

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

31:5d:41:a0:39:99:f6:90:52:5a:57:c6:67:2f:16:75:2b:00:50:d4:60:3b:b9:51:5a:ae:0f:bc:fe:b7:fd:5e
Signer

Actual PE Digest

31:5d:41:a0:39:99:f6:90:52:5a:57:c6:67:2f:16:75:2b:00:50:d4:60:3b:b9:51:5a:ae:0f:bc:fe:b7:fd:5e

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Internet Testing Systems,O=Internet Testing Systems,POSTALCODE=21211,STREET=Suite 401+STREET=3000 Chestnut Ave,L=Baltimore,ST=Maryland,C=US

13/05/2023, 19:36
Valid: true

Chain 1

CN=Internet Testing Systems,O=Internet Testing Systems,POSTALCODE=21211,STREET=Suite 401+STREET=3000 Chestnut Ave,L=Baltimore,ST=Maryland,C=US

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

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Chain 2

CN=Internet Testing Systems,O=Internet Testing Systems,POSTALCODE=21211,STREET=Suite 401+STREET=3000 Chestnut Ave,L=Baltimore,ST=Maryland,C=US

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

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 368KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 163KB - Virtual size: 164KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 101KB - Virtual size: 104KB

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_32BIT_MACHINE

Sections

.text
Size: 114KB - Virtual size: 113KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 327KB - Virtual size: 326KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

01Certificate

Key Usages

f8:f0:31:28:52:d3:a7:0b:43:ed:aa:a5:df:39:c4:a5Certificate

Extended Key Usages

Key Usages

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95Certificate

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6aCertificate

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

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

Extended Key Usages

Key Usages

31:5d:41:a0:39:99:f6:90:52:5a:57:c6:67:2f:16:75:2b:00:50:d4:60:3b:b9:51:5a:ae:0f:bc:fe:b7:fd:5eSigner

Signature Validations

Verification

13/05/2023, 19:36 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 368KB

UPX1 Size: 163KB - Virtual size: 164KB

.rsrc Size: 101KB - Virtual size: 104KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 114KB - Virtual size: 113KB

.rdata Size: 35KB - Virtual size: 34KB

.data Size: 2KB - Virtual size: 29KB

.rsrc Size: 327KB - Virtual size: 326KB

.reloc Size: 5KB - Virtual size: 5KB

01
Certificate

f8:f0:31:28:52:d3:a7:0b:43:ed:aa:a5:df:39:c4:a5
Certificate

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

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

31:5d:41:a0:39:99:f6:90:52:5a:57:c6:67:2f:16:75:2b:00:50:d4:60:3b:b9:51:5a:ae:0f:bc:fe:b7:fd:5e
Signer

13/05/2023, 19:36
Valid: true

UPX0
Size: - Virtual size: 368KB

UPX1
Size: 163KB - Virtual size: 164KB

.rsrc
Size: 101KB - Virtual size: 104KB

.text
Size: 114KB - Virtual size: 113KB

.rdata
Size: 35KB - Virtual size: 34KB

.data
Size: 2KB - Virtual size: 29KB

.rsrc
Size: 327KB - Virtual size: 326KB

.reloc
Size: 5KB - Virtual size: 5KB