Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 20:59

General

  • Target

    fun_dog.exe

  • Size

    234KB

  • MD5

    7482f1ce2a78a763ab636f7052e12d82

  • SHA1

    7577b69eb0d10a8d2271f323dffd7cb76f0ab393

  • SHA256

    b49e4e472506a6be8c7b61601a5dddadf2e21bd01c04160395a349ee06910031

  • SHA512

    02c7eb377ae7eb2b27703ce79ee3f2f55ad7f15989a1d59ba0dda2098a8cc7a8994e6907ee117f60d2c2576f0ae6e158cc4598305fac434103e24113993a950d

  • SSDEEP

    6144:zloZMLrIkd8g+EtXHkv/iD4qF7AclTwk73iTlwsJnfb8e1mZi:xoZ0L+EP887AclTwk73iTlwsJ7v

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Umbral family
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fun_dog.exe
    "C:\Users\Admin\AppData\Local\Temp\fun_dog.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3400

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4620-0-0x00007FFC04313000-0x00007FFC04315000-memory.dmp

    Filesize

    8KB

  • memory/4620-1-0x0000024E3AEF0000-0x0000024E3AF30000-memory.dmp

    Filesize

    256KB

  • memory/4620-2-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4620-4-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

    Filesize

    10.8MB