clean_master_1_1[.]exe

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General

Target

clean_master_1_1.exe
Size

28.8MB
MD5

2b2d641f2d42d127ec55cbb0b663e902
SHA1

ef263b5de67d5e49c1e8c732539ba5804c14e4e2
SHA256

aaa5ca58932f2eb2ea874ad7647edf3c1644574d942c1500fd696f9ac32edf94
SHA512

b0dcc0ff6ef3a99211c5379840f75fb2b76fb5c998a72d9a8d535c4f724bf221d892caaf08dc2b17fac427d1d5fb000c8e02a86ac2bf76fa97247fbb466c89a5
SSDEEP

786432:BNPliDsKF+O51g5rZ4bm05vXSOa+m6VBGlpjm4c67kz:fN4V+O/2z4aGBG7jmb6Y

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

Files

clean_master_1_1.exe
.exe windows x86

Code Sign

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

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

0f:07:a9:cf:a6:a7:15:67:67:f0:5e:17:b7:51:c5:c5
Certificate

Issuer

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

Not Before

07/02/2020, 00:00

Not After

20/03/2023, 12:00

Subject

CN=Beijing Kingsoft Security software Co.\,Ltd,OU=IT,O=Beijing Kingsoft Security software Co.\,Ltd,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

0f:ac:95:23:10:be:3c:4d:89:aa:99:1a:bb:2b:0e:45
Certificate

Issuer

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

Not Before

07/02/2020, 00:00

Not After

20/03/2023, 12:00

Subject

CN=Beijing Kingsoft Security software Co.\,Ltd,OU=IT,O=Beijing Kingsoft Security software Co.\,Ltd,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

77:0a:9d:b2:9e:e5:62:5c:ab:94:f6:60:ad:54:fe:a9:e8:e6:2d:cb:79:34:e8:55:41:cc:2c:74:06:41:25:74
Signer

Actual PE Digest

77:0a:9d:b2:9e:e5:62:5c:ab:94:f6:60:ad:54:fe:a9:e8:e6:2d:cb:79:34:e8:55:41:cc:2c:74:06:41:25:74

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Beijing Kingsoft Security software Co.\,Ltd,OU=IT,O=Beijing Kingsoft Security software Co.\,Ltd,ST=Beijing,C=CN

04/08/2020, 12:50
Valid: true

Chain 1

CN=Beijing Kingsoft Security software Co.\,Ltd,OU=IT,O=Beijing Kingsoft Security software Co.\,Ltd,ST=Beijing,C=CN

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

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

37:83:14:6b:b1:1e:c0:8f:df:50:ff:05:e0:1a:f1:a0:54:e6:e1:c8
Signer

Actual PE Digest

37:83:14:6b:b1:1e:c0:8f:df:50:ff:05:e0:1a:f1:a0:54:e6:e1:c8

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Beijing Kingsoft Security software Co.\,Ltd,OU=IT,O=Beijing Kingsoft Security software Co.\,Ltd,ST=Beijing,C=CN

04/08/2020, 12:50
Valid: false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 584KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 446KB - Virtual size: 448KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 85KB - Virtual size: 88KB

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_32BIT_MACHINE

Sections

.text
Size: 672KB - Virtual size: 671KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 124KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 180KB - Virtual size: 177KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

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

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

0f:07:a9:cf:a6:a7:15:67:67:f0:5e:17:b7:51:c5:c5Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

0f:ac:95:23:10:be:3c:4d:89:aa:99:1a:bb:2b:0e:45Certificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

77:0a:9d:b2:9e:e5:62:5c:ab:94:f6:60:ad:54:fe:a9:e8:e6:2d:cb:79:34:e8:55:41:cc:2c:74:06:41:25:74Signer

Signature Validations

Verification

04/08/2020, 12:50 Valid: true

Chain 1

37:83:14:6b:b1:1e:c0:8f:df:50:ff:05:e0:1a:f1:a0:54:e6:e1:c8Signer

Signature Validations

Verification

04/08/2020, 12:50 Valid: false

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 584KB

UPX1 Size: 446KB - Virtual size: 448KB

.rsrc Size: 85KB - Virtual size: 88KB

Headers

File Characteristics

Sections

.text Size: 672KB - Virtual size: 671KB

.rdata Size: 124KB - Virtual size: 120KB

.data Size: 24KB - Virtual size: 40KB

.rsrc Size: 180KB - Virtual size: 177KB

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

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

0f:07:a9:cf:a6:a7:15:67:67:f0:5e:17:b7:51:c5:c5
Certificate

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

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

0f:ac:95:23:10:be:3c:4d:89:aa:99:1a:bb:2b:0e:45
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

77:0a:9d:b2:9e:e5:62:5c:ab:94:f6:60:ad:54:fe:a9:e8:e6:2d:cb:79:34:e8:55:41:cc:2c:74:06:41:25:74
Signer

04/08/2020, 12:50
Valid: true

37:83:14:6b:b1:1e:c0:8f:df:50:ff:05:e0:1a:f1:a0:54:e6:e1:c8
Signer

04/08/2020, 12:50
Valid: false

UPX0
Size: - Virtual size: 584KB

UPX1
Size: 446KB - Virtual size: 448KB

.rsrc
Size: 85KB - Virtual size: 88KB

.text
Size: 672KB - Virtual size: 671KB

.rdata
Size: 124KB - Virtual size: 120KB

.data
Size: 24KB - Virtual size: 40KB

.rsrc
Size: 180KB - Virtual size: 177KB