Overview

overview

10

Static

static

3

HawkEye.exe

windows7-x64

10

HawkEye.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 17:40

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General

  • Target
    HawkEye.exe
  • Size 232KB
  • Sample240825-v855tswbra
  • SHA256 1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chimeradiscoveryransomwarespywarestealer

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 (3270) 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 46 IoCs
    adwarespyware
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 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
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -k "C:\Users\Admin\Downloads\YOUR_FILES_ARE_ENCRYPTED.HTML"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1424 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        YOUR_FILES_ARE_ENCRYPTED.HTML
        • Path C:\Program Files\Java\jdk-1.8\jre\lib\YOUR_FILES_ARE_ENCRYPTED.HTML
        • Size 4KB
        • SHA256 73bf4fd34b572efb231baa2d54f8a772607a73fa14db3310f061ac87d8fe1131
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        imagestore.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\zcn1cz4\imagestore.dat
        • Size 6KB
        • SHA256 bc4617a0ace19dc57f532b788fb32f487edae633c9d5d5562f8897a5509bf0b3
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6809OHQ0\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        favicon[1].ico
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NUB8HZ4Z\favicon[1].ico
        • Size 6KB
        • SHA256 37127c1a29c164cdaa75ec72ae685094c2468fe0577f743cb1f307d23dd35ec1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/5096-0-0x0000000074BC2000-0x0000000074BC3000-memory.dmp
        Download

        memory/5096-1-0x0000000074BC0000-0x0000000075171000-memory.dmp
        Download

        memory/5096-2-0x0000000074BC0000-0x0000000075171000-memory.dmp
        Download

        memory/5096-4-0x0000000010000000-0x0000000010010000-memory.dmp
        Download

        memory/5096-8-0x0000000074BC0000-0x0000000075171000-memory.dmp
        Download

        memory/5096-9-0x00000000017D0000-0x00000000017EA000-memory.dmp
        Download

        memory/5096-629-0x0000000074BC2000-0x0000000074BC3000-memory.dmp
        Download

        memory/5096-630-0x0000000074BC0000-0x0000000075171000-memory.dmp
        Download