Overview

overview

10

Static

static

1

instagram_dm.png

windows7-x64

10

instagram_dm.png

windows10-2004-x64

3

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General

  • Target

    instagram_dm.png

  • Size

    32KB

  • Sample

    250127-cjcswavpcx

  • MD5

    7f4f027e0e09752664b12d5561e7f768

  • SHA1

    41d801d8c17e7973f3acf67d516e28735797e1eb

  • SHA256

    ad63c13c9f488c90efaa2a271d210f84f39e723ce2a2879c3cb5c444ee1a40aa

  • SHA512

    bd3a83ef7de3facf55a17b63e8c0520242ee348dfaddd2703a62656acd7c39d13e444c185af4506e4a60b020b168f6dc1937099d2d6a81ce8815f7131146baec

  • SSDEEP

    768:EwQIrguKvrsEJI+RPLSR2CMpH663vIn1QBbMXrYkQZ:EwNgbrsEPe7IHfnBbyrYkQZ

Score
10/10
umbraldiscoveryexecutionstealer

Malware Config

Targets

    • Target

      instagram_dm.png

    • Size

      32KB

    • MD5

      7f4f027e0e09752664b12d5561e7f768

    • SHA1

      41d801d8c17e7973f3acf67d516e28735797e1eb

    • SHA256

      ad63c13c9f488c90efaa2a271d210f84f39e723ce2a2879c3cb5c444ee1a40aa

    • SHA512

      bd3a83ef7de3facf55a17b63e8c0520242ee348dfaddd2703a62656acd7c39d13e444c185af4506e4a60b020b168f6dc1937099d2d6a81ce8815f7131146baec

    • SSDEEP

      768:EwQIrguKvrsEJI+RPLSR2CMpH663vIn1QBbMXrYkQZ:EwNgbrsEPe7IHfnBbyrYkQZ

    Score
    10/10
    umbraldiscoveryexecutionstealer

    • Detect Umbral payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

      stealerumbral

    • Umbral family

      umbral

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks