ToDesk_Lite[.]exe

Sharing

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General

Target

ToDesk_Lite.exe
Size

7.5MB
MD5

b1e4d8ce8d863dbc9eedf9b62f90a230
SHA1

166a92dd67a089fb72469fa7ee91f20dd3bcd154
SHA256

f17cc95612529035d2056c82429b03314efb40f2fc26c38e5c0d04204fad1801
SHA512

b2e05a461506629ad431e65aaf32a87c013e11876374990851011a5288f8e0ba50c309804b20abfc5e49ea6d8feb10d54fe602fa66e08bf7c742b6c1506da45b
SSDEEP

196608:o8xhmIWJuVOmtVGGK/CxKM0g8H1AOGXNTUZc:rxhmIWJugyfdba19GdoZc

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

ToDesk_Lite.exe
.exe windows x86

Code Sign

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2013, 12:00

Not After

15/01/2038, 12:00

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

06:c8:af:c0:ac:40:df:1f:98:a4:2d:ee:25:29:55:92
Certificate

Issuer

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

Not Before

17/09/2021, 00:00

Not After

30/09/2023, 23:59

Subject

SERIALNUMBER=91460000MA5T92TJ7C,CN=Hainan YouQu Technology Co.\, Ltd,O=Hainan YouQu Technology Co.\, Ltd,L=海口市,ST=海南省,C=CN,1.3.6.1.4.1.311.60.2.1.2=#0c09e6b5b7e58d97e79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

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

Not Before

29/03/2022, 00:00

Not After

14/03/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,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

33:c1:68:71:dc:a4:a6:4e:90:75:04:07:0e:d0:c4:60:b0:f1:d0:44:41:bf:de:39:13:72:0d:f9:e5:59:46:aa
Signer

Actual PE Digest

33:c1:68:71:dc:a4:a6:4e:90:75:04:07:0e:d0:c4:60:b0:f1:d0:44:41:bf:de:39:13:72:0d:f9:e5:59:46:aa

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=91460000MA5T92TJ7C,CN=Hainan YouQu Technology Co.\, Ltd,O=Hainan YouQu Technology Co.\, Ltd,L=海口市,ST=海南省,C=CN,1.3.6.1.4.1.311.60.2.1.2=#0c09e6b5b7e58d97e79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

26/08/2022, 02:24
Valid: true

Chain 1

SERIALNUMBER=91460000MA5T92TJ7C,CN=Hainan YouQu Technology Co.\, Ltd,O=Hainan YouQu Technology Co.\, Ltd,L=海口市,ST=海南省,C=CN,1.3.6.1.4.1.311.60.2.1.2=#0c09e6b5b7e58d97e79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

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=91460000MA5T92TJ7C,CN=Hainan YouQu Technology Co.\, Ltd,O=Hainan YouQu Technology Co.\, Ltd,L=海口市,ST=海南省,C=CN,1.3.6.1.4.1.311.60.2.1.2=#0c09e6b5b7e58d97e79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

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_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 15.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 7.4MB - Virtual size: 7.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 122KB - Virtual size: 124KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Code Sign

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5cCertificate

Key Usages

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

Extended Key Usages

Key Usages

06:c8:af:c0:ac:40:df:1f:98:a4:2d:ee:25:29:55:92Certificate

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

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

33:c1:68:71:dc:a4:a6:4e:90:75:04:07:0e:d0:c4:60:b0:f1:d0:44:41:bf:de:39:13:72:0d:f9:e5:59:46:aaSigner

Signature Validations

Verification

26/08/2022, 02:24 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 15.3MB

UPX1 Size: 7.4MB - Virtual size: 7.4MB

.rsrc Size: 122KB - Virtual size: 124KB

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

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

06:c8:af:c0:ac:40:df:1f:98:a4:2d:ee:25:29:55:92
Certificate

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
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

33:c1:68:71:dc:a4:a6:4e:90:75:04:07:0e:d0:c4:60:b0:f1:d0:44:41:bf:de:39:13:72:0d:f9:e5:59:46:aa
Signer

26/08/2022, 02:24
Valid: true

UPX0
Size: - Virtual size: 15.3MB

UPX1
Size: 7.4MB - Virtual size: 7.4MB

.rsrc
Size: 122KB - Virtual size: 124KB