ctrlINT What the industry said about every indicator, with the quote

GhostwriterThreat actor

  • dev-0257
  • pushcha
  • storm-0257
  • ta445
  • UAC-0057
  • UNC1151

Ghostwriter is referred as an 'activity set', with various incidents tied together by overlapping behavioral characteristics and personas, rather than as an actor or group in itself.From MISP Galaxy

Last reported 27 days ago, by CERT-EU5 reports

Suspected originBelarusMISP Galaxy
Targets sectorsGovernmentMISP Galaxy
Targets countriesGermany, Latvia, Lithuania, Poland, UkraineMISP Galaxy

ATT&CK techniques

6 of 19 · each with the sentence it comes from
  1. T1027Obfuscated Files or Information

    “T1027”

    ESET WeLiveSecurity (ES)Vendor
  2. T1027.009Embedded Payloads

    “T1027.009”

    ESET WeLiveSecurity (ES)Vendor
  3. T1036Masquerading

    “Masquerading: Match Legitimate Resource Name or Location”

    ESET WeLiveSecurity (ES)Vendor
  4. T1036.005Match Legitimate Resource Name or Location

    “T1036.005”

    ESET WeLiveSecurity (ES)Vendor
  5. T1041Exfiltration Over C2 Channel

    “T1041”

    ESET WeLiveSecurity (ES)Vendor
  6. T1053Scheduled Task/Job

    “Scheduled Task/Job: Scheduled Task”

    ESET WeLiveSecurity (ES)Vendor

Reports per month

last 12 months

October so far (hatched). Counted by report, not by story.

What the reports say

5 reports, newest first · the exact sentence from each
  1. “On the cyberespionage front, suspected Belarus-linked threat actor Ghostwriter reportedly engaged in a spearphishing campaign targeting Polish Gmail users, and the Belgian intelligence services were targeted by an unknown threat actor through Ivanti EPMM exploitation.”

    CERT-EUGovernment
    Cyber Brief 26-07 - June 2026
  2. “UNC1151/Ghostwriter phishing campaign targeting Gmail accounts”

    CERT PolskaGovernment
    UNC1151/Ghostwriter phishing campaign targeting Gmail accounts
  3. “Оновлений інструментарій UAC-0057: OYSTERFRESH, OYSTERSHUCK та OYSTERBLUES”

    CERT-UAGovernment
    Оновлений інструментарій UAC-0057: OYSTERFRESH, OYSTERSHUCK та OYSTERBLUES
  4. “FrostyNeighbor, también conocido como Ghostwriter, UNC1151, UAC-0057, TA445, PUSHCHA o Storm-0257, es un grupo que presuntamente opera desde Bielorrusia..”

    ESET WeLiveSecurity (ES)Vendor
    FrostyNeighbor intensifica ataques en Ucrania con validación selectiva de víctimas
  5. “FrostyNeighbor, also known as Ghostwriter, UNC1151, UAC‑0057, TA445, PUSHCHA, or Storm-0257, is a group allegedly operating from Belarus.”

    ESET WeLiveSecurityVendor
    FrostyNeighbor: Fresh mischief and digital shenanigans

Indicators in its reports

named in the reports above
Copy these 20 indicators · defanged

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