Analysis

  • max time kernel
    174s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 09:37

General

  • Target

    6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe

  • Size

    502KB

  • MD5

    9a3b13aa4ea56d8de8e9faa388dbe2ce

  • SHA1

    f087b000b588711bb124b80f8b341629b4dcb298

  • SHA256

    6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a

  • SHA512

    98b1c096a6a2b043e3273fb57419a849a3dc477e13090c374beeffb9d0338f019c26d7ee7e5429815d04b1e274d08aeacbce9e0a11b6fceb0ff673e915dba3b5

  • SSDEEP

    6144:3bS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9m8HT:3QtqB5urTIoYWBQk1E+VF9mOx9m6

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    law_rence0

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 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe
    "C:\Users\Admin\AppData\Local\Temp\6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4952
    • 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:3140
    • 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:3280

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/3140-134-0x0000000000000000-mapping.dmp
  • memory/3140-135-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3140-137-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3140-138-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3280-139-0x0000000000000000-mapping.dmp
  • memory/3280-140-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3280-142-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3280-143-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3280-145-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4952-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp
    Filesize

    5.7MB

  • memory/4952-133-0x0000000074A30000-0x0000000074FE1000-memory.dmp
    Filesize

    5.7MB