Analysis

  • max time kernel
    180s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 10:03

General

  • Target

    4077f6ce091413639393c56922dbb2f3fb4098d29b366b48bcda4dd18c3c4ff5.exe

  • Size

    754KB

  • MD5

    08c6506aac90bfc8a2a5f9edeb3121ad

  • SHA1

    e5523af704a3c13272a3d8f8aee9975b4c233a73

  • SHA256

    4077f6ce091413639393c56922dbb2f3fb4098d29b366b48bcda4dd18c3c4ff5

  • SHA512

    50afd48a66c2fad0aa2ed95fc84a927fd1a7f42baa788dbecfb12044718d1138bfa8894d313057f8b272c39374a5d19a3e86205882edd4f405946e7c42b5cef7

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.0.0.0

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    whyworry9090?
Mutex

1be83f24-b108-4c0f-8923-3b9851551e1b

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:true _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:whyworry9090? _EmailPort:587 _EmailSSL:true _EmailServer:mail.privateemail.com _EmailUsername:[email protected] _ExecutionDelay:10 _FTPPort:0 _FTPSFTP:false _FakeMessageIcon:0 _FakeMessageShow:false _FileBinder:false _HideFile:false _HistoryCleaner:false _Install:false _InstallLocation:0 _InstallStartup:false _InstallStartupPersistance:false _KeyStrokeLogger:true _LogInterval:10 _MeltFile:false _Mutex:1be83f24-b108-4c0f-8923-3b9851551e1b _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:true _SystemInfo:false _Version:10.0.0.0 _WebCamLogger:false _WebsiteBlocker:false _WebsiteVisitor:false _WebsiteVisitorVisible:false _ZoneID:false]

  • name

    HawkEye RebornX, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null

Signatures

  • HawkEye Reborn

    HawkEye Reborn is an enhanced version of the HawkEye malware kit.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4077f6ce091413639393c56922dbb2f3fb4098d29b366b48bcda4dd18c3c4ff5.exe
    "C:\Users\Admin\AppData\Local\Temp\4077f6ce091413639393c56922dbb2f3fb4098d29b366b48bcda4dd18c3c4ff5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yhHgSpttr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3236
    • C:\Users\Admin\AppData\Local\Temp\4077f6ce091413639393c56922dbb2f3fb4098d29b366b48bcda4dd18c3c4ff5.exe
      "C:\Users\Admin\AppData\Local\Temp\4077f6ce091413639393c56922dbb2f3fb4098d29b366b48bcda4dd18c3c4ff5.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp5290.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4396
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp6DAA.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:4344

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5290.tmp

    Filesize

    4KB

    MD5

    8376e754a86cd9a9461b4a4ae2486b11

    SHA1

    d0e566622882fde386f482f1dcee15b2c7fa5d3a

    SHA256

    c02f630d99769ab6a71fec1ee712a8c6a97742e5469b4e4157d5ca716e09e62c

    SHA512

    a1caf85a93499f37d7451bf9b3ef01cbf833e9371585257c009a5de183d072d46a0b8124a8816e0bd94025a5129ad6fb15738f12a865485a3aff07343a14ec6a

  • C:\Users\Admin\AppData\Local\Temp\tmpE5.tmp

    Filesize

    1KB

    MD5

    eeac905ce5ea40a54a78c573c1506628

    SHA1

    1a14638e8825c450e738733fb87d36926769b683

    SHA256

    8bb986e102d425762dda07cec5ca0f60b63b617cf74925bfd4536dd52b4e38c8

    SHA512

    f8dfd283ed544f1b46f1e5b8b476a44c8a8f0035b8cb8dbf3a11c7c667ee5ecfc27b492366203a556ff0bd10ad2c76db8f8af20ec7256e65f47890c15e7da922

  • memory/528-136-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/528-131-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/528-130-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/948-138-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/948-137-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/948-135-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/4344-150-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4344-149-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4344-147-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4396-144-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4396-143-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4396-142-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4396-140-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB