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CrashDump

D3v0o0Nu119/2/20262 min read
#soc/dfir#htb#easy

CrashDump

Platform: HackTheBox | Type: SOC/DFIR | Difficulty: Easy | Author: D3v0o0Nu11 | Date: 2026-02-10

Scenario

A suspicious executable was identified running on one of the compromised endpoints. Initial triage suggests that this process may have been leveraged by the threat actor to establish a foothold on the system. To support further malware analysis and behavioral reconstruction, a user‑mode process dump of the suspected executable has been provided.

Key Questions

  1. What indicators of compromise exist?
  2. What attack chain / MITRE techniques were used?
  3. What is the full timeline?

Investigation Timeline

TimeEventEvidence / Source

Evidence Analysed

  • Tools: per the investigation narrative.
  • Artifacts: per the investigation narrative.

Detailed Investigation

1ST QUESTION --> ANS: REDACTED

2ND QUESTION --> ANS: REDACTED

3RD QUESTION --> ANS: REDACTED

4TH QUESTION --> ANS: REDACTED

5TH QUESTION --> ANS: REDACTED

6TH QUESTION --> ANS: REDACTED

7TH QUESTION --> ANS: REDACTED

8TH QUESTION --> ANS: REDACTED

9TH QUESTION --> ANS: REDACTED

Findings

  1. Persistence mechanism — As documented in the investigation steps.
  2. Initial access — As documented in the investigation steps.
  3. Impact — As documented in the investigation steps.

MITRE ATT&CK Mapping

TacticTechniqueID
Command and ControlIngress Tool TransferT1105

Answers / Flags

  • 1ST QUESTION --> ANS: REDACTED
  • 2ND QUESTION --> ANS: REDACTED
  • 3RD QUESTION --> ANS: REDACTED
  • 4TH QUESTION --> ANS: REDACTED
  • 5TH QUESTION --> ANS: REDACTED
  • 6TH QUESTION --> ANS: REDACTED
  • 7TH QUESTION --> ANS: REDACTED
  • 8TH QUESTION --> ANS: REDACTED
  • 9TH QUESTION --> ANS: REDACTED

Lessons Learned

  1. User-mode debugging with WinDbg.
  2. Cobalt Strike.