psiphon3[.]exe

Resubmissions

24/08/2023, 20:49

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24/08/2023, 20:47

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24/08/2023, 20:44

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24/08/2023, 20:19

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General

Target

psiphon3.exe
Size

5.1MB
MD5

ec8ed5f26171ad71770b05f9cd8fea95
SHA1

f452d9ba00b40677c6d8dddba7f1219d83bb40d5
SHA256

64c700666420e7544f66d16528d69e60876f34db2ccdc112dee57ae0bb730e43
SHA512

caef76bedf8cb7cfea2ea81d781368075c33fd1dede7435360c7a70c896487319b18f36ad74462c771e4fa23ec841a030e312a6bb43cd6b3956139e1a3d3efb2
SSDEEP

98304:AwrEqV5LbaDMi1r6ju07Pr9Hw9FhbzX5FNbZBmQH02bLWh1CuF:AwrEost12q07Prib9mc0oc1hF

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

df:bd:63:93:fc:03:62:15:4f:1a:7c:41:1b:f3:10:a6:fc:44:22:ba
Signer

Actual PE Digest

df:bd:63:93:fc:03:62:15:4f:1a:7c:41:1b:f3:10:a6:fc:44:22:ba

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: 9.8MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 5.1MB - Virtual size: 5.1MB

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: 914KB - Virtual size: 914KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 23KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 12.4MB - Virtual size: 12.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 55KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

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

df:bd:63:93:fc:03:62:15:4f:1a:7c:41:1b:f3:10:a6:fc:44:22:baSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 9.8MB

UPX1 Size: 5.1MB - Virtual size: 5.1MB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 914KB - Virtual size: 914KB

.rdata Size: 1.4MB - Virtual size: 1.4MB

.data Size: 23KB - Virtual size: 35KB

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

.rsrc Size: 12.4MB - Virtual size: 12.4MB

.reloc Size: 55KB - Virtual size: 54KB

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

df:bd:63:93:fc:03:62:15:4f:1a:7c:41:1b:f3:10:a6:fc:44:22:ba
Signer

UPX0
Size: - Virtual size: 9.8MB

UPX1
Size: 5.1MB - Virtual size: 5.1MB

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

.text
Size: 914KB - Virtual size: 914KB

.rdata
Size: 1.4MB - Virtual size: 1.4MB

.data
Size: 23KB - Virtual size: 35KB

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

.rsrc
Size: 12.4MB - Virtual size: 12.4MB

.reloc
Size: 55KB - Virtual size: 54KB