Analysis

  • max time kernel
    123s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2022 19:04

General

  • Target

    33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c.exe

  • Size

    505KB

  • MD5

    e17cee656c450820e2139ca9ad5576af

  • SHA1

    8d130ae39b9c4ad6d549532a1bfa0161785de137

  • SHA256

    33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c

  • SHA512

    ede11b20e0be5106cd6cd0bdcc095927f4072dd38d19e83247288803ca9eb3a70bef04bb1677cb2842337b49bad49758a12829150ad73bb419da88ff5b277cfb

  • SSDEEP

    6144:teOFbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9OaI:IOFQtqB5urTIoYWBQk1E+VF9mOx9Q

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    express1234

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c.exe
    "C:\Users\Admin\AppData\Local\Temp\33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:632
    • 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"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:4296
    • 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"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4192

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/632-132-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/632-138-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/4192-139-0x0000000000000000-mapping.dmp

  • memory/4192-140-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4192-142-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4192-144-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4296-133-0x0000000000000000-mapping.dmp

  • memory/4296-134-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4296-136-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4296-137-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB