Analysis

  • max time kernel
    163s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2022 01:43

General

  • Target

    5aeae408b1a13eb9424396fb414ef29d6bf93437a56ccb1f8319a88203671e12.exe

  • Size

    814KB

  • MD5

    113a6eb01b6fa94787c8d88e43a804a0

  • SHA1

    f94b99f6b99fb60e52c05491520a65fe88d359c9

  • SHA256

    5aeae408b1a13eb9424396fb414ef29d6bf93437a56ccb1f8319a88203671e12

  • SHA512

    7e7f471b3016603ae21528463d6b2a0ab8e490a863f22411c5cf6c052ff4fe165cd640cad367258a9a0541ff6b3bf8cc0537eaeef89e47c20900665e72aa712c

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.0.0.0

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    *kfGyhg7LVu4J
Mutex

477c21b6-8336-4cea-bb4e-d99584ae81ef

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:true _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:*kfGyhg7LVu4J _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:477c21b6-8336-4cea-bb4e-d99584ae81ef _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\5aeae408b1a13eb9424396fb414ef29d6bf93437a56ccb1f8319a88203671e12.exe
    "C:\Users\Admin\AppData\Local\Temp\5aeae408b1a13eb9424396fb414ef29d6bf93437a56ccb1f8319a88203671e12.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:516
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tETUAwd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC02E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3752
    • C:\Users\Admin\AppData\Local\Temp\5aeae408b1a13eb9424396fb414ef29d6bf93437a56ccb1f8319a88203671e12.exe
      "C:\Users\Admin\AppData\Local\Temp\5aeae408b1a13eb9424396fb414ef29d6bf93437a56ccb1f8319a88203671e12.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2240
      • 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\tmp331C.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1028
      • 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\tmp400E.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:2860

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp331C.tmp

    Filesize

    4KB

    MD5

    508d12363b937319e4dbfc174a10ecba

    SHA1

    edb7ae72b83074621bc83e12d79e6ec91b28952e

    SHA256

    2e4b211b03ba5a4b727a3bdeb55afc31be43ca8605fe7189fb755befa4f4e061

    SHA512

    384f33d45223f2428c80e465ecae7e15a0dc348d2421d4ede7e01e77358e8e6eadcb8002227b9577c2ee1071199267c21a5e35554fc773d4d9f583bff0265e15

  • C:\Users\Admin\AppData\Local\Temp\tmpC02E.tmp

    Filesize

    1KB

    MD5

    368d9b6c17eeee6c4839c72a008cd599

    SHA1

    bab2faacaa436ced59e93ad3108feff04c1c3c6f

    SHA256

    766d481e66322c4c9738ee4e45f41bd987e85ab9677f91fc24e6bb61e34b230f

    SHA512

    89d29bc400ce1fb54de31a5216ffb7a7caa875851569eca6bf2efc38206b929485603bd05fc59e74a4b6dda3543358b18154fe45c75cb0205de0bff464ed15d7

  • memory/516-133-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/516-132-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/516-138-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-142-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1028-146-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1028-145-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1028-144-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2240-140-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/2240-139-0x0000000074780000-0x0000000074D31000-memory.dmp

    Filesize

    5.7MB

  • memory/2240-137-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2860-149-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2860-151-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2860-152-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB