Silver Rat.7z
- SHA256 3fce4b5d26887b84f5f9081fb4b26fc8d8a28bd4e44cc5b7d4f94f1407d4a1e6
Behavioral task
behavioral1
Sample
SilverRat.exe
Resource
win10v2004-20260130-en
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
| resource | yara_rule |
|---|---|
| static1/unpack001/Bunifu.Licensing.dll | agile_net |
| static1/unpack001/bunifu.ui.winforms.1.5.3.dll | agile_net |
File was Codesigned using an insecure algorithm.
| resource |
|---|
| unpack001/Bunifu.Licensing.dll |
| unpack001/bunifu.ui.winforms.1.5.3.dll |
Checks for missing Authenticode signature.
| resource |
|---|
| unpack001/RestSharp.dll |
| unpack001/SilverRat.exe |
| unpack001/bouncycastle.crypto.dll |
| unpack001/bunifu.ui.winforms.dll |
| unpack001/cgeoip.dll |
| unpack001/protobuf-net.core.dll |
| unpack001/protobuf-net.dll |
Codesigned binary was signed by an untrusted entity.
| resource |
|---|
| unpack001/guna.ui2.dll |
Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Insecure Codesign Algorithm
File was Codesigned using an insecure algorithm.
Mar 3, 2022
SERIALNUMBER=CPR/2014/141232,CN=Bunifu Technologies Limited,O=Bunifu Technologies Limited,L=Ngong,C=KE,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024b45
CN=COMODO RSA Extended Validation Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB
CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB
Apr 22, 2019
SERIALNUMBER=603 389 068,CN=Json.NET (.NET Foundation),O=Json.NET (.NET Foundation),L=Redmond,ST=wa,C=US
CN=.NET Foundation Projects Code Signing CA,O=.NET Foundation,C=US
CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US
Unsigned PE
Checks for missing Authenticode signature.
Unsigned PE
Checks for missing Authenticode signature.
Feb 19, 2020
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Apr 14, 2020
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
May 8, 2022
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
May 15, 2018
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
May 15, 2018
Unsigned PE
Checks for missing Authenticode signature.
Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Insecure Codesign Algorithm
File was Codesigned using an insecure algorithm.
Mar 3, 2022
SERIALNUMBER=CPR/2014/141232,CN=Bunifu Technologies Limited,O=Bunifu Technologies Limited,L=Ngong,C=KE,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024b45
CN=COMODO RSA Extended Validation Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB
CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB
Unsigned PE
Checks for missing Authenticode signature.
Unsigned PE
Checks for missing Authenticode signature.
Untrusted Codesign Signers
Codesigned binary was signed by an untrusted entity.
Apr 22, 2020
Unsigned PE
Checks for missing Authenticode signature.
Unsigned PE
Checks for missing Authenticode signature.