psiphon3 | Triage

Sharing

Copy URL Twitter E-mail

General

Target

psiphon3
Size

7.9MB
MD5

939bf56f8eb314e1b4332779503116fe
SHA1

1aaa5f90a0b4d849a36805a3a5a1b1558cffc83f
SHA256

11f71c860d50fb5de666643225f6e1367bcca52ed2a61a7d95b9d49d089f7178
SHA512

7412fc77410eba025b4c348ccd859d415d3780dae131d036fce8867a365648ff0e52a83a8120982af41f6285ea17ac2189065c75ce302d1c0dc4a8c70ce4dec9
SSDEEP

196608:86EM2GyxsJXlKz7kmzebfiIX6O4djPjGt/FPz7q0PtMts73Rs:86L2GyMKz7Nzez/4/UNPz20P3Rs

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 windows:6 windows x86 arch:x86

Code Sign

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

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

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

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

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:5f:ca:85:f0:00:b8:6e:0c:0f:ab:ab:aa:85:a2:8f
Certificate

Issuer

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

Not Before

02/05/2023, 00:00

Not After

28/07/2026, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

c0:d6:2e:92:7f:87:53:0e:b5:14:1a:7b:e8:1c:ec:1e:39:71:84:c4
Signer

Actual PE Digest

c0:d6:2e:92:7f:87:53:0e:b5:14:1a:7b:e8:1c:ec:1e:39:71:84:c4

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: 15.7MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 7.8MB - Virtual size: 7.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:6 windows x86 arch: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: 643KB - Virtual size: 643KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 27KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 10KB - Virtual size: 9KB

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

.rsrc
Size: 21.5MB - Virtual size: 21.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 72KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

06:5f:ca:85:f0:00:b8:6e:0c:0f:ab:ab:aa:85:a2:8fCertificate

Extended Key Usages

Key Usages

c0:d6:2e:92:7f:87:53:0e:b5:14:1a:7b:e8:1c:ec:1e:39:71:84:c4Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 15.7MB

UPX1 Size: 7.8MB - Virtual size: 7.8MB

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

Headers

DLL Characteristics

File Characteristics

Sections

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

.rdata Size: 643KB - Virtual size: 643KB

.data Size: 27KB - Virtual size: 46KB

.tls Size: 10KB - Virtual size: 9KB

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

.rsrc Size: 21.5MB - Virtual size: 21.5MB

.reloc Size: 72KB - Virtual size: 72KB

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

06:5f:ca:85:f0:00:b8:6e:0c:0f:ab:ab:aa:85:a2:8f
Certificate

c0:d6:2e:92:7f:87:53:0e:b5:14:1a:7b:e8:1c:ec:1e:39:71:84:c4
Signer

UPX0
Size: - Virtual size: 15.7MB

UPX1
Size: 7.8MB - Virtual size: 7.8MB

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

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

.rdata
Size: 643KB - Virtual size: 643KB

.data
Size: 27KB - Virtual size: 46KB

.tls
Size: 10KB - Virtual size: 9KB

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

.rsrc
Size: 21.5MB - Virtual size: 21.5MB

.reloc
Size: 72KB - Virtual size: 72KB