Threat Actor

TA551

Also known as: TA551, GOLD CABIN, Shathak

TA551 is a financially-motivated threat group that has been active since at least 2018. The group has primarily targeted English, German, Italian, and Japanese speakers through email-based malware distribution campaigns.

14
Techniques
5
Software
0
indicators on this record

Properties

Last source
MITRE ATT&CK
STIX ID
intrusion-set--94873029-f950-4268-9cfd-5032e15cb182
In Signal since
initial import (Sep 2026)
Retrieved at
2026-11-01T16:36:58+00:00
Type
intrusion-set

MITRE ATT&CK Techniques (14)

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Command Obfuscation (T1027.010)

Adversaries may obfuscate content during command execution to impede detection. Command-line obfuscation is a method of making strings and patterns wi

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Domain Generation Algorithms (T1568.002)

Adversaries may make use of Domain Generation Algorithms (DGAs) to dynamically identify a destination domain for command and control traffic rather th

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Email Addresses (T1589.002)

Adversaries may gather email addresses that can be used during targeting. Even if internal instances exist, organizations may have public-facing email

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Ingress Tool Transfer (T1105)

Adversaries may transfer tools or other files from an external system into a compromised environment. Tools or files may be copied from an external ad

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Malicious File (T1204.002)

An adversary may rely upon a user opening a malicious file in order to gain execution. Users may be subjected to social engineering to get them to ope

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Masquerading (T1036)

Adversaries may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Masqueradin

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Mshta (T1218.005)

Adversaries may abuse mshta.exe to proxy execution of malicious.hta files and Javascript or VBScript through a trusted Windows utility. There are sev

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Regsvr32 (T1218.010)

Adversaries may abuse Regsvr32.exe to proxy execution of malicious code. Regsvr32.exe is a command-line program used to register and unregister object

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Rundll32 (T1218.011)

Adversaries may abuse rundll32.exe to proxy execution of malicious code. Using rundll32.exe, vice executing directly (i.e. [Shared Modules](https://at

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Spearphishing Attachment (T1566.001)

Adversaries may send spearphishing emails with a malicious attachment in an attempt to gain access to victim systems. Spearphishing attachment is a sp

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Standard Encoding (T1132.001)

Adversaries may encode data with a standard data encoding system to make the content of command and control traffic more difficult to detect. Command

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Steganography (T1027.003)

Adversaries may use steganography techniques in order to prevent the detection of hidden information. Steganographic techniques can be used to hide da

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Web Protocols (T1071.001)

Adversaries may communicate using application layer protocols associated with web traffic to avoid detection/network filtering by blending in with exi

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Windows Command Shell (T1059.003)

Adversaries may abuse the Windows command shell for execution. The Windows command shell (cmd) is the prima

Software & Tools (5)

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IcedID [malware]

IcedID is a modular banking malware designed to steal financial information that has been observed in the w

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QakBot [malware]

QakBot is a modular banking trojan that has been used primarily by financially-motivated actors since at le

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Sliver [malware]

Sliver is an open source, cross-platform, red team command and control (C2) framework written in Golang. [S

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Ursnif [malware]

Ursnif is a banking trojan and variant of the Gozi malware observed being spread through various automated

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Valak [malware]

Valak is a multi-stage modular malware that can function as a standalone information stealer or downloader,

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TA551 — Threat Actor Profile — Ninja Signal | Ninja Signal