Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 13:30

General

  • Target

    aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe

  • Size

    765KB

  • MD5

    5205be9a501dae770c6e557b5fdaeebc

  • SHA1

    a8a34796e05ac4ff1a0b92bdbbaedc01e8cedfa5

  • SHA256

    aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331

  • SHA512

    e7177c8f6562363751dedf374195ed0c59ba478530ba58e2428a62ba40fbae73c9dc9f55cdf8890779a9a848c53d6fedd7bdb9658e995df7331d8eea6a05170d

  • SSDEEP

    12288:LXNrylgwbJqMBSlxaZmvB008Jz1vakTLAJnElBaSP6XQ2lfix4phRDiaZEAmD:MgwkMYxcmUzgkTL2FSPd2ExQhJ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.britishcrowncourt.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @Hustle007ky1

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Hawkeye family
  • Detected Nirsoft tools 7 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe
    "C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe
      "C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5000
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3668
          • 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\holdermail.txt"
            5⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:2540
          • 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\holderwb.txt"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt

    Filesize

    102B

    MD5

    2715bcbe51c308593298c65e5494b1f9

    SHA1

    14f0592ae00704ff4cbbf27634a6c1036de7b6a1

    SHA256

    cdf881969a8102ce1ac5e237487d99c977de044aa756ab493dbe6d98090c74e9

    SHA512

    b03d2fe5c5bf1004e1aac95f543ef2f02cebde8e93232326a1a34f47fdfd4512168d4e9b3963a7d833cf68895a839acdac01bff2020252400218f8f05972369d

  • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    765KB

    MD5

    5205be9a501dae770c6e557b5fdaeebc

    SHA1

    a8a34796e05ac4ff1a0b92bdbbaedc01e8cedfa5

    SHA256

    aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331

    SHA512

    e7177c8f6562363751dedf374195ed0c59ba478530ba58e2428a62ba40fbae73c9dc9f55cdf8890779a9a848c53d6fedd7bdb9658e995df7331d8eea6a05170d

  • memory/452-12-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/452-8-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/452-15-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/452-7-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/452-10-0x0000000005730000-0x000000000573A000-memory.dmp

    Filesize

    40KB

  • memory/452-30-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/452-9-0x0000000005750000-0x00000000057EC000-memory.dmp

    Filesize

    624KB

  • memory/452-11-0x0000000005A20000-0x0000000005A76000-memory.dmp

    Filesize

    344KB

  • memory/1344-2-0x0000000005160000-0x0000000005704000-memory.dmp

    Filesize

    5.6MB

  • memory/1344-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp

    Filesize

    584KB

  • memory/1344-13-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

    Filesize

    4KB

  • memory/1344-14-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1344-5-0x0000000004B90000-0x0000000004B98000-memory.dmp

    Filesize

    32KB

  • memory/1344-4-0x0000000004B70000-0x0000000004B84000-memory.dmp

    Filesize

    80KB

  • memory/1344-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

    Filesize

    4KB

  • memory/1344-1-0x0000000000150000-0x0000000000218000-memory.dmp

    Filesize

    800KB

  • memory/1344-6-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-57-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2424-50-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2424-49-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2540-45-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2540-48-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2540-46-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3668-37-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/3668-41-0x0000000008E60000-0x0000000008EC6000-memory.dmp

    Filesize

    408KB

  • memory/3668-44-0x000000000B300000-0x000000000B308000-memory.dmp

    Filesize

    32KB

  • memory/3668-34-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/5000-36-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/5000-35-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/5000-29-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/5000-31-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB