Analysis

  • max time kernel
    83s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 16:12

General

  • Target

    582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe

  • Size

    773KB

  • MD5

    847ebb85ec30a8d241155a181e772406

  • SHA1

    ccf35f05ee42e72c8e61aa19de10000c312ce47a

  • SHA256

    582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94

  • SHA512

    afbf0e6b596ce937b4da95f5c0d3ca4470701f0bb860143a57e690e31c8c3c676e454f58922e87d12bcab279808f1c806320766ad135c0e2145e1fe158f5448b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    andrea.santox@yandex.com
  • Password:
    Thiago!!!

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe
    "C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe
      C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4608
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:4840
      • 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"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:212

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/212-160-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/212-165-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/212-163-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/212-162-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/212-159-0x0000000000000000-mapping.dmp
  • memory/2892-134-0x00000000770C0000-0x0000000077263000-memory.dmp
    Filesize

    1.6MB

  • memory/2892-132-0x0000000002280000-0x0000000002288000-memory.dmp
    Filesize

    32KB

  • memory/4608-149-0x00000000770C0000-0x0000000077263000-memory.dmp
    Filesize

    1.6MB

  • memory/4608-157-0x00000000770C0000-0x0000000077263000-memory.dmp
    Filesize

    1.6MB

  • memory/4608-158-0x0000000074730000-0x0000000074CE1000-memory.dmp
    Filesize

    5.7MB

  • memory/4608-151-0x0000000074730000-0x0000000074CE1000-memory.dmp
    Filesize

    5.7MB

  • memory/4608-150-0x00000000770C0000-0x0000000077263000-memory.dmp
    Filesize

    1.6MB

  • memory/4608-140-0x00000000029F0000-0x0000000002A82000-memory.dmp
    Filesize

    584KB

  • memory/4608-137-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

  • memory/4608-133-0x0000000000000000-mapping.dmp
  • memory/4840-153-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4840-155-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4840-156-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4840-152-0x0000000000000000-mapping.dmp