Overview

overview

10

Static

static

3

HawkEye.exe

windows7-x64

10

HawkEye.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    113s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2023, 18:17

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General

  • Target
    HawkEye.exe
  • Size 232KB
  • Sample230906-ww48faaf6v
  • SHA256 1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chimeraransomwarespywarestealer

Malware Config

Signatures

  • Chimera 64 IoCs

    Ransomware which infects local and network files, often distributed via Dropbox links.

    ransomwarechimera
  • Chimera Ransomware Loader DLL 1 IoCs

    Drops/unpacks executable file which resembles Chimera's Loader.dll.

    ransomware
  • Renames multiple (4287) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 27 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
    adwarespyware
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HawkEye.exe
    "C:\Users\Admin\AppData\Local\Temp\HawkEye.exe"
    1⤵
    • Chimera
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -k "C:\Users\Admin\AppData\Roaming\YOUR_FILES_ARE_ENCRYPTED.HTML"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2300 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3080

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        YOUR_FILES_ARE_ENCRYPTED.HTML
        • Path C:\Program Files\Java\jdk1.8.0_66\jre\YOUR_FILES_ARE_ENCRYPTED.HTML
        • Size 4KB
        • SHA256 7aaaa756dc8e66076a562cfbe145323b2bbbc080d8e9af177138748585777c25
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        YOUR_FILES_ARE_ENCRYPTED.HTML
        • Path C:\Users\Admin\AppData\Roaming\YOUR_FILES_ARE_ENCRYPTED.HTML
        • Size 4KB
        • SHA256 7aaaa756dc8e66076a562cfbe145323b2bbbc080d8e9af177138748585777c25
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        YOUR_FILES_ARE_ENCRYPTED.HTML
        • Path C:\Users\Admin\Favorites\Links\YOUR_FILES_ARE_ENCRYPTED.HTML
        • Size 4KB
        • SHA256 7aaaa756dc8e66076a562cfbe145323b2bbbc080d8e9af177138748585777c25
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        YOUR_FILES_ARE_ENCRYPTED.HTML
        • Path C:\Users\Admin\Favorites\YOUR_FILES_ARE_ENCRYPTED.HTML
        • Size 4KB
        • SHA256 7aaaa756dc8e66076a562cfbe145323b2bbbc080d8e9af177138748585777c25
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/3944-10-0x00000000054F0000-0x000000000550A000-memory.dmp
        Download

        memory/3944-9-0x00000000054F0000-0x000000000550A000-memory.dmp
        Download

        memory/3944-0-0x0000000075200000-0x00000000757B1000-memory.dmp
        Download

        memory/3944-8-0x0000000001080000-0x0000000001180000-memory.dmp
        Download

        memory/3944-411-0x0000000075200000-0x00000000757B1000-memory.dmp
        Download

        memory/3944-662-0x0000000001080000-0x0000000001180000-memory.dmp
        Download

        memory/3944-3-0x0000000010000000-0x0000000010010000-memory.dmp
        Download

        memory/3944-2-0x00000000016C0000-0x00000000016D0000-memory.dmp
        Download

        memory/3944-1-0x0000000075200000-0x00000000757B1000-memory.dmp
        Download