Overview

overview

10

Static

static

5

main.exe

windows7-x64

10

main.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2024, 09:49

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General

  • Target
    main.exe
  • Size 7.5MB
  • Sample241102-ltfrys1hre
  • SHA256 54dc9f8c8ee674011484b587f1b8bb9263627ce6e38269fab00f0e3d2843994b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
skuldpersistencestealerupx

Malware Config

Extracted

Family

  • skuld

C2

  • https://discord.com/api/webhooks/1302202147064119357/E-X5awV-gyAF3En53aWIADdVrCfZRUhTifv9oA7SuxuNOoWYtSX7EiDlFwWQPiNcLepI

Signatures

  • Skuld family
    skuld
  • Skuld stealer

    An info stealer written in Go lang.

    stealerskuld
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\main.exe
    "C:\Users\Admin\AppData\Local\Temp\main.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\main.exe
      2⤵
      • Views/modifies file attributes
      PID:1592

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/3932-0-0x0000000000760000-0x000000000169A000-memory.dmp
        Download

        memory/3932-2-0x0000000000760000-0x000000000169A000-memory.dmp
        Download