Overview

overview

10

Static

static

3

HawkEye.exe

windows7-x64

10

HawkEye.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2024, 03:48

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General

  • Target
    HawkEye.exe
  • Size 232KB
  • Sample240320-ecth6age9z
  • 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
  • Detects Reflective DLL injection artifacts 2 IoCs
  • Renames multiple (3255) 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 42 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:3836
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -k "C:\Users\Admin\Music\YOUR_FILES_ARE_ENCRYPTED.HTML"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3104
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3104 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:672

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 f48e74424bfc7bf3f058daf02ed50edb4ef896126f43bb3e230368a1026a0a4a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        ver2381.tmp
        • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2381.tmp
        • Size 15KB
        • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0ZA3FRO8\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/3836-10-0x0000000004B10000-0x0000000004B2A000-memory.dmp
        Download

        memory/3836-8-0x00000000007F0000-0x00000000008F0000-memory.dmp
        Download

        memory/3836-9-0x0000000004B10000-0x0000000004B2A000-memory.dmp
        Download

        memory/3836-0-0x00000000752E0000-0x0000000075891000-memory.dmp
        Download

        memory/3836-3-0x0000000010000000-0x0000000010010000-memory.dmp
        Download

        memory/3836-4294-0x00000000752E0000-0x0000000075891000-memory.dmp
        Download

        memory/3836-4304-0x0000000000CB0000-0x0000000000CC0000-memory.dmp
        Download

        memory/3836-5769-0x00000000007F0000-0x00000000008F0000-memory.dmp
        Download

        memory/3836-2-0x00000000752E0000-0x0000000075891000-memory.dmp
        Download

        memory/3836-1-0x0000000000CB0000-0x0000000000CC0000-memory.dmp
        Download