psiphon3[.]exe

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General

Target

psiphon3.exe
Size

6.7MB
MD5

0cd2a900398c1e604f4b8fcbd131894c
SHA1

ea55876f0bf1fa21785319d3fc1a5931614b1430
SHA256

f196eca6ca60196d5d598a954465625813bc16c81ff8880a45123647dfab7370
SHA512

d7f84006b864ae0613d8082dc402fdbd969e8978d6caf2f242bcc913efbc4a85d18b1eefd8dbfc4eb9601c9c2ef71f80e54687811b8d06cbb265ea42b10b06f1
SSDEEP

196608:f7kXz86UojwaM/ukCS2srQnSTc7q4at8x2Ce5TkpO:jrSwaM/uk6s8q4aqx2Lk0

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

psiphon3.exe
.exe windows x86

Code Sign

0a:55:a3:07:16:93:fe:88:0f:0f:61:64:eb:93:66:5e
Certificate

Issuer

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

Not Before

06/07/2017, 00:00

Not After

03/10/2020, 12:00

Subject

CN=Psiphon Inc.,O=Psiphon Inc.,L=Toronto,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

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

Not Before

22/10/2014, 00:00

Not After

22/10/2024, 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

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

Not Before

10/11/2006, 00:00

Not After

10/11/2021, 00:00

Subject

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

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

1d:61:73:11:14:58:1e:f1:06:fb:13:9a:a5:12:75:9d:cd:b5:43:dd
Signer

Actual PE Digest

1d:61:73:11:14:58:1e:f1:06:fb:13:9a:a5:12:75:9d:cd:b5:43:dd

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

Sections

UPX0
Size: - Virtual size: 12.8MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 6.6MB - Virtual size: 6.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 87KB - Virtual size: 88KB

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: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 30KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16.5MB - Virtual size: 16.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 71KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

0a:55:a3:07:16:93:fe:88:0f:0f:61:64:eb:93:66:5eCertificate

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

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

1d:61:73:11:14:58:1e:f1:06:fb:13:9a:a5:12:75:9d:cd:b5:43:ddSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 12.8MB

UPX1 Size: 6.6MB - Virtual size: 6.6MB

.rsrc Size: 87KB - Virtual size: 88KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 1.2MB - Virtual size: 1.2MB

.rdata Size: 1.6MB - Virtual size: 1.6MB

.data Size: 30KB - Virtual size: 44KB

.gfids Size: 4KB - Virtual size: 3KB

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 16.5MB - Virtual size: 16.5MB

.reloc Size: 71KB - Virtual size: 70KB

0a:55:a3:07:16:93:fe:88:0f:0f:61:64:eb:93:66:5e
Certificate

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

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

1d:61:73:11:14:58:1e:f1:06:fb:13:9a:a5:12:75:9d:cd:b5:43:dd
Signer

UPX0
Size: - Virtual size: 12.8MB

UPX1
Size: 6.6MB - Virtual size: 6.6MB

.rsrc
Size: 87KB - Virtual size: 88KB

.text
Size: 1.2MB - Virtual size: 1.2MB

.rdata
Size: 1.6MB - Virtual size: 1.6MB

.data
Size: 30KB - Virtual size: 44KB

.gfids
Size: 4KB - Virtual size: 3KB

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 16.5MB - Virtual size: 16.5MB

.reloc
Size: 71KB - Virtual size: 70KB