①ToDesk远程软件[.]exe

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General

Target

①ToDesk远程软件.exe
Size

8.7MB
MD5

016b89c4218e74966c75390f6dc7833d
SHA1

f404935ca5cec9cf9b1106956018b14cf2eeaad0
SHA256

d8412a05073dc948619ee2efd2766f0128f1e3f8b0187b1e229cdd1126d70198
SHA512

7cb8c51e6724473eef44f42bc52d3b60b006e32280298eaa76981c95805f9567ed5831e47be6aaabaa1da6ce77ce6df88a4914824adea08f1da50f134d1e64c5
SSDEEP

196608:tm0PBrtUgxm4e7UZT60Y8jtqag7cnYbqmbCLHPf:tJBrtLTBAaDnLUIf

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

①ToDesk远程软件.exe
.exe windows x64

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

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

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

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

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

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

54:e7:ad:6f:53:3e:40:b3:d4:b9:7d:08:f8:c5:67:dd:27:d0:83:5c:88:49:0a:f1:0f:bf:5f:03:11:8e:33:fa
Signer

Actual PE Digest

54:e7:ad:6f:53:3e:40:b3:d4:b9:7d:08:f8:c5:67:dd:27:d0:83:5c:88:49:0a:f1:0f:bf:5f:03:11:8e:33:fa

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

UPX0
Size: - Virtual size: 14.8MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 8.6MB - Virtual size: 8.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 66KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

.text
Size: 14.2MB - Virtual size: 14.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5.1MB - Virtual size: 5.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 411KB - Virtual size: 3.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 554KB - Virtual size: 554KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rodata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 300KB - Virtual size: 299KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 142KB - Virtual size: 141KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

54:e7:ad:6f:53:3e:40:b3:d4:b9:7d:08:f8:c5:67:dd:27:d0:83:5c:88:49:0a:f1:0f:bf:5f:03:11:8e:33:faSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 14.8MB

UPX1 Size: 8.6MB - Virtual size: 8.6MB

.rsrc Size: 66KB - Virtual size: 68KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 14.2MB - Virtual size: 14.2MB

.rdata Size: 5.1MB - Virtual size: 5.1MB

.data Size: 411KB - Virtual size: 3.1MB

.pdata Size: 554KB - Virtual size: 554KB

_RDATA Size: 2KB - Virtual size: 2KB

.rodata Size: 3KB - Virtual size: 3KB

.rsrc Size: 300KB - Virtual size: 299KB

.reloc Size: 142KB - Virtual size: 141KB

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

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

54:e7:ad:6f:53:3e:40:b3:d4:b9:7d:08:f8:c5:67:dd:27:d0:83:5c:88:49:0a:f1:0f:bf:5f:03:11:8e:33:fa
Signer

UPX0
Size: - Virtual size: 14.8MB

UPX1
Size: 8.6MB - Virtual size: 8.6MB

.rsrc
Size: 66KB - Virtual size: 68KB

.text
Size: 14.2MB - Virtual size: 14.2MB

.rdata
Size: 5.1MB - Virtual size: 5.1MB

.data
Size: 411KB - Virtual size: 3.1MB

.pdata
Size: 554KB - Virtual size: 554KB

_RDATA
Size: 2KB - Virtual size: 2KB

.rodata
Size: 3KB - Virtual size: 3KB

.rsrc
Size: 300KB - Virtual size: 299KB

.reloc
Size: 142KB - Virtual size: 141KB