Cyber Resilience

Threat actor · all actors

TA551G0127 unknown

aka TA551, GOLD CABIN, Shathak, Shakthak, ATK236, G0127, Monster Libra

Last updated: 2026-08-20

0attributed CVEs
23ATT&CK techniques
0.0IDF score (tooling uniqueness)
0exclusive CVEs
—years active

About this actor

[TA551](https://attack.mitre.org/groups/G0127) is a financially-motivated threat group that has been active since at least 2018. (Citation: Secureworks GOLD CABIN) The group has primarily targeted English, German, Italian, and Japanese speakers through email-based malware distribution campaigns. (Citation: Unit 42 TA551 Jan 2021)

Source: MITRE ATT&CK

Names & naming systems

Each vendor coins its own name for the same actor. Where a name follows a known scheme we attribute it; the rest are listed honestly as unclassified.

MITRE ATT&CKG-number catalogue id

G0127

Secureworkscolour-metal names

GOLD CABIN

Palo Alto Unit 42constellation names

Monster Libra

ProofpointTA threat-actor id

TA551

Unclassifiedno scheme matched

ShathakShakthakATK236

How we know this

Data origin
MITRE ATT&CK Imported from the MITRE ATT&CK STIX bundle as an intrusion-set object.
Techniques
MITRE ATT&CK STIX mappings — 23 ATT&CK techniques on file.
Named victims
None on file.

See how actor data is built for the full pipeline.

Activity timeline

No activity events recorded.

Profile

CVERiskCVSSEPSSPublishedProducts
No attributed CVEs.

Mitigating controls (NIST 800-53)

ControlTechniques coveredCoverage
SI-420 / 2387%
SI-318 / 2378%
CA-716 / 2370%
CM-616 / 2370%
CM-215 / 2365%
AC-412 / 2352%
SC-712 / 2352%
CM-710 / 2343%
SI-1010 / 2343%
SI-710 / 2343%
SC-206 / 2326%
AC-35 / 2322%
SI-25 / 2322%
AC-24 / 2317%
AC-64 / 2317%

Co-occurring actors

None.

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