UltraSurf[.]exe

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General

Target

UltraSurf.exe
Size

3.0MB
MD5

4ffe0c34306dcaf1d08f9208dc59439d
SHA1

20b8bc062fd6b9d3974f953ce48d5aff063c9c35
SHA256

91d3770ac0d4463cb356327db2c492f1cbce42715dbcae11d8768f4bf2fb2c98
SHA512

a864b414e5b7f3cb61ec0821a28fefa6a42c056748241af4787fc9c850d95daf122568faeec78d4abcc9424aeb6e5f38ac4d3c283e6bd1593a2f2c05b79185d0
SSDEEP

49152:QdMuktFMGWmRG5WHTk3rkKxbLjPlmZW/AICICqjXoFkDD4ecPL9KLESyz4wZSLK:QdMLtFLtQ3rkyPVoIC0qkQecPhKwSWY

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

UltraSurf.exe
.exe windows:5 windows x86 arch:x86

Code Sign

05:ab:ac:07:f8:d0:ce:56:7f:7d:75:ee:04:7e:fe:e2
Certificate

Issuer

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

Not Before

20/04/2018, 00:00

Not After

23/06/2021, 12:00

Subject

CN=Ultrareach Internet Corp.,O=Ultrareach Internet Corp.,L=Cheyenne,ST=Wyoming,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

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

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

d8:2f:b3:4b:53:49:c6:37:1b:e7:4e:cf:92:3b:81:24:fc:99:5a:f2
Signer

Actual PE Digest

d8:2f:b3:4b:53:49:c6:37:1b:e7:4e:cf:92:3b:81:24:fc:99:5a:f2

Digest Algorithm

sha1

PE Digest Matches

true

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
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 9.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 150KB - Virtual size: 152KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Code Sign

05:ab:ac:07:f8:d0:ce:56:7f:7d:75:ee:04:7e:fe:e2Certificate

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

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

Extended Key Usages

Key Usages

d8:2f:b3:4b:53:49:c6:37:1b:e7:4e:cf:92:3b:81:24:fc:99:5a:f2Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 9.3MB

UPX1 Size: 2.8MB - Virtual size: 2.8MB

.rsrc Size: 150KB - Virtual size: 152KB

05:ab:ac:07:f8:d0:ce:56:7f:7d:75:ee:04:7e:fe:e2
Certificate

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

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

d8:2f:b3:4b:53:49:c6:37:1b:e7:4e:cf:92:3b:81:24:fc:99:5a:f2
Signer

UPX0
Size: - Virtual size: 9.3MB

UPX1
Size: 2.8MB - Virtual size: 2.8MB

.rsrc
Size: 150KB - Virtual size: 152KB