Breach Intelligence Report 16 Sep 2025

DaisyCloud Stealer Log: 11,996 Credentials — July 2024 Peak (2024)

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
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Records Exposed 11,996
Source Type Stealer log
Origin Telegram
Password Type plaintext

The DaisyCloud July Campaign's Peak Upload -- A Campaign Roaring Back to Life

The July 23, 2024 DaisyCloud stealer log -- 11,996 plaintext endpoint credentials distributed via Telegram -- was the highest-volume upload in the July cluster and the single strongest evidence that the DaisyCloud operation had not simply concluded after its June 26 tail-end upload. At nearly 12,000 records, this July 23 batch matches the mid-range volumes of the June cluster, suggesting the operator had access to a fresh pool of infected endpoints rather than simply dribbling out remaining archived logs from the June campaign.


DaisyCloud Stealer Log (July 2024): Breach Summary

  • Records Exposed: 11,996
  • Data Types: Email addresses, plaintext credentials, endpoint URLs, API hosts
  • Breach Type: Stealer log
  • Country Affected: United States
  • Date Leaked: July 23, 2024

Fresh Infections vs. Archived Log Release: Reading the July 23 Volume

When a stealer log campaign resumes weeks after an apparent conclusion, security analysts ask a key question: is the operator releasing previously collected but unreleased logs, or are they distributing fresh harvests from newly infected endpoints? The volume of the July 23 upload -- 11,996 records, substantially larger than the sub-5,000 batches that characterized the end of the June cluster -- strongly suggests fresh harvest activity rather than archived releases.

If the July 23 batch were simply residual logs from June infections, volume would logically continue the declining pattern established after June 20. Instead, the July 23 upload is nearly twice the volume of the June 26 tail-end release (5,072 records). This volume jump is more consistent with a new wave of malware deployment targeting a fresh pool of U.S. endpoints in mid-July 2024 -- a second phase of intentional campaign activity by the same operater.


What 11,996 Plaintext Credentials Actually Represents

In the context of a multi-month campaign, it's easy to think of individual batch uploads as just numbers. But 11,996 records means approximately 12,000 people whose email addresses, login credentials, endpoint URLs, and API host information were harvested from their devices by malware and distributed to Telegram subscribers. Each record represents a real individual who -- in most cases -- had no knowledge their credentials had been captured. Their exposure window began the moment the malware transmitted the log and extends until they change every affected password. For credentials that were also used at work accounts, the exposure extends to organizational infrastructure.


The DaisyCloud Campaign as a Case Study in Sustained Threat Actor Persistence

The DaisyCloud operation's continuation into July 2024 makes it a useful case study in how professionl information stealer campaigns operate differently from opportunistic one-off breaches. Rather than a single exploit that drains a database and disappears, the DaisyCloud operator maintained an active Telegram distribution presence across multiple weeks, demonstrating the kind of operational consistency associated with motivated criminal groups or automated credential distribution pipelines. Understanding this persistence model is critical for defenders designing breach monitoring and credential audit programs.


Check If Your Credentials Were Exposed

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Breach Breakdown

Domain N/A
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 16 Sep 2025
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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

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Critical: Change compromised passwords immediately and enable 2FA on all accounts

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