S0586 TAINTEDSCRIBE
TAINTEDSCRIBE is a fully-featured beaconing implant integrated with command modules used by Lazarus Group. It was first reported in May 2020.1
| Item | Value |
|---|---|
| ID | S0586 |
| Associated Names | |
| Type | MALWARE |
| Version | 1.0 |
| Created | 05 March 2021 |
| Last Modified | 26 April 2021 |
| Navigation Layer | View In ATT&CK® Navigator |
Techniques Used
| Domain | ID | Name | Use |
|---|---|---|---|
| enterprise | T1560 | Archive Collected Data | TAINTEDSCRIBE has used FileReadZipSend to compress a file and send to C2.1 |
| enterprise | T1547 | Boot or Logon Autostart Execution | - |
| enterprise | T1547.001 | Registry Run Keys / Startup Folder | TAINTEDSCRIBE can copy itself into the current user’s Startup folder as “Narrator.exe” for persistence.1 |
| enterprise | T1059 | Command and Scripting Interpreter | - |
| enterprise | T1059.003 | Windows Command Shell | TAINTEDSCRIBE can enable Windows CLI access and execute files.1 |
| enterprise | T1001 | Data Obfuscation | - |
| enterprise | T1001.003 | Protocol Impersonation | TAINTEDSCRIBE has used FakeTLS for session authentication.1 |
| enterprise | T1573 | Encrypted Channel | - |
| enterprise | T1573.001 | Symmetric Cryptography | TAINTEDSCRIBE uses a Linear Feedback Shift Register (LFSR) algorithm for network encryption.1 |
| enterprise | T1008 | Fallback Channels | TAINTEDSCRIBE can randomly pick one of five hard-coded IP addresses for C2 communication; if one of the IP fails, it will wait 60 seconds and then try another IP address.1 |
| enterprise | T1083 | File and Directory Discovery | TAINTEDSCRIBE can use DirectoryList to enumerate files in a specified directory.1 |
| enterprise | T1070 | Indicator Removal | - |
| enterprise | T1070.004 | File Deletion | TAINTEDSCRIBE can delete files from a compromised host.1 |
| enterprise | T1070.006 | Timestomp | TAINTEDSCRIBE can change the timestamp of specified filenames.1 |
| enterprise | T1105 | Ingress Tool Transfer | TAINTEDSCRIBE can download additional modules from its C2 server.1 |
| enterprise | T1036 | Masquerading | - |
| enterprise | T1036.005 | Match Legitimate Name or Location | The TAINTEDSCRIBE main executable has disguised itself as Microsoft’s Narrator.1 |
| enterprise | T1027 | Obfuscated Files or Information | - |
| enterprise | T1027.001 | Binary Padding | TAINTEDSCRIBE can execute FileRecvWriteRand to append random bytes to the end of a file received from C2.1 |
| enterprise | T1057 | Process Discovery | TAINTEDSCRIBE can execute ProcessList for process discovery.1 |
| enterprise | T1018 | Remote System Discovery | The TAINTEDSCRIBE command and execution module can perform target system enumeration.1 |
| enterprise | T1082 | System Information Discovery | TAINTEDSCRIBE can use DriveList to retrieve drive information.1 |
| enterprise | T1124 | System Time Discovery | TAINTEDSCRIBE can execute GetLocalTime for time discovery.1 |
Groups That Use This Software
| ID | Name | References |
|---|---|---|
| G0032 | Lazarus Group | 1 |