Bankshot

Bankshot is a remote access tool (RAT) that was first reported by the Department of Homeland Security in December of 2017. In 2018, Lazarus Group used the Bankshot implant in attacks against the Turkish financial sector. [1]

ID: S0239
Associated Software: Trojan Manuscript
Type: MALWARE
Platforms: Windows
Version: 1.1
Created: 17 October 2018
Last Modified: 30 March 2020

Associated Software Descriptions

Name Description
Trojan Manuscript [1]

Techniques Used

Domain ID Name Use
Enterprise T1134 .002 Access Token Manipulation: Create Process with Token

Bankshot grabs a user token using WTSQueryUserToken and then creates a process by impersonating a logged-on user.[1]

Enterprise T1087 .002 Account Discovery: Domain Account

Bankshot gathers domain and account names/information through process monitoring.[1]

.001 Account Discovery: Local Account

Bankshot gathers domain and account names/information through process monitoring.[1]

Enterprise T1071 .001 Application Layer Protocol: Web Protocols

Bankshot uses HTTP for command and control communication.[1]

Enterprise T1119 Automated Collection

Bankshot recursively generates a list of files within a directory and sends them back to the control server.[1]

Enterprise T1059 .003 Command and Scripting Interpreter: Windows Command Shell

Bankshot uses the command-line interface to execute arbitrary commands.[1][2]

Enterprise T1543 .003 Create or Modify System Process: Windows Service

Bankshot can terminate a specific process by its process id.[1][2]

Enterprise T1132 .002 Data Encoding: Non-Standard Encoding

Bankshot encodes commands from the control server using a range of characters and gzip.[1]

Enterprise T1005 Data from Local System

Bankshot collects files from the local system.[1]

Enterprise T1001 .003 Data Obfuscation: Protocol Impersonation

Bankshot generates a false TLS handshake using a public certificate to disguise C2 network communications.[2]

Enterprise T1140 Deobfuscate/Decode Files or Information

Bankshot decodes embedded XOR strings.[2]

Enterprise T1041 Exfiltration Over C2 Channel

Bankshot exfiltrates data over its C2 channel.[1]

Enterprise T1203 Exploitation for Client Execution

Bankshot leverages a known zero-day vulnerability in Adobe Flash to execute the implant into the victims’ machines.[1]

Enterprise T1083 File and Directory Discovery

Bankshot searches for files on the victim's machine.[2]

Enterprise T1070 Indicator Removal on Host

Bankshot deletes all artifacts associated with the malware from the infected machine.[2]

.006 Timestomp

Bankshot modifies the time of a file as specified by the control server.[1]

.004 File Deletion

Bankshot marks files to be deleted upon the next system reboot and uninstalls and removes itself from the system.[1]

Enterprise T1105 Ingress Tool Transfer

Bankshot uploads files and secondary payloads to the victim's machine.[2]

Enterprise T1112 Modify Registry

Bankshot writes data into the Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Pniumj.[2]

Enterprise T1106 Native API

Bankshot creates processes using the Windows API calls: CreateProcessA() and CreateProcessAsUserA().[1]

Enterprise T1571 Non-Standard Port

Bankshot binds and listens on port 1058 for HTTP traffic while also utilizing a FakeTLS method.[2]

Enterprise T1057 Process Discovery

Bankshot identifies processes and collects the process ids.[1]

Enterprise T1012 Query Registry

Bankshot searches for certain Registry keys to be configured before executing the payload.[2]

Enterprise T1082 System Information Discovery

Bankshot gathers system information, network addresses, disk type, disk free space, and the operation system version.[1][2]

Groups That Use This Software

ID Name References
G0032 Lazarus Group

[1]

References