Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 05:10

General

  • Target

    c3e26900e127c3a77acd2ca2e081835e3fc72bb7aa06f8ead05f8688664e6829.exe

  • Size

    803KB

  • MD5

    7ee76fb6f3aef651152cc35ec63cce55

  • SHA1

    037f3926469b076d133ffb80a04627b1ce61756a

  • SHA256

    c3e26900e127c3a77acd2ca2e081835e3fc72bb7aa06f8ead05f8688664e6829

  • SHA512

    f38a790b14e462887f0fbb362c84b8c38710505ea39ce817bc6e953431a39cc67a2bc010465420bb2bd2ed24c4218e532190682300a988dec69b5407d8eef17b

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.0.0.0

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.emailsrvr.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Comfort123@
Mutex

b2bd680a-11d5-436c-8d57-9b6d23c79b01

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:false _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:Comfort123@ _EmailPort:587 _EmailSSL:true _EmailServer:smtp.emailsrvr.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:false _LogInterval:10 _MeltFile:false _Mutex:b2bd680a-11d5-436c-8d57-9b6d23c79b01 _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:false _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

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • HawkEye Reborn

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

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 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 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3e26900e127c3a77acd2ca2e081835e3fc72bb7aa06f8ead05f8688664e6829.exe
    "C:\Users\Admin\AppData\Local\Temp\c3e26900e127c3a77acd2ca2e081835e3fc72bb7aa06f8ead05f8688664e6829.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:272
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LcTjPlRIY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF8E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1240
    • C:\Users\Admin\AppData\Local\Temp\c3e26900e127c3a77acd2ca2e081835e3fc72bb7aa06f8ead05f8688664e6829.exe
      "C:\Users\Admin\AppData\Local\Temp\c3e26900e127c3a77acd2ca2e081835e3fc72bb7aa06f8ead05f8688664e6829.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1952
      • 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\tmp6CC8.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6CC8.tmp
    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\tmpEF8E.tmp
    Filesize

    1KB

    MD5

    84e84976e8d66730a2965cf9e0a3b7e3

    SHA1

    cdfa6196afc13e10a93e7d74d4123760b71413aa

    SHA256

    e0514e0ad4976c08c77061a6f8c710f06249c56f8f61ff9d6ded538b5dfb5738

    SHA512

    9f4474181cbc73dd5e25fe5f15b35b862d38c34523eda0d17fda3ce8f1382d9d78490625242c096a08632549305620d964d6206ed8c70382ef2887b8a4e293f8

  • memory/272-54-0x0000000000950000-0x0000000000A20000-memory.dmp
    Filesize

    832KB

  • memory/272-55-0x0000000075DC1000-0x0000000075DC3000-memory.dmp
    Filesize

    8KB

  • memory/272-56-0x00000000003A0000-0x00000000003A8000-memory.dmp
    Filesize

    32KB

  • memory/272-57-0x00000000021A0000-0x000000000223A000-memory.dmp
    Filesize

    616KB

  • memory/272-60-0x0000000002030000-0x000000000203A000-memory.dmp
    Filesize

    40KB

  • memory/1168-77-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-79-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-89-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-88-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-87-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-84-0x0000000000444D30-mapping.dmp
  • memory/1168-83-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-81-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-75-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1168-74-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1240-58-0x0000000000000000-mapping.dmp
  • memory/1952-72-0x0000000000710000-0x0000000000786000-memory.dmp
    Filesize

    472KB

  • memory/1952-61-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/1952-71-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/1952-62-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/1952-69-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/1952-67-0x000000000048B2BE-mapping.dmp
  • memory/1952-66-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/1952-65-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/1952-64-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB