Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2023 13:16

General

  • Target

    746d8f96f8153a4e45bb998ec.exe

  • Size

    520KB

  • MD5

    42975e59f70448efb621c1f9c4bca01b

  • SHA1

    acd00215d93e8e81d32e10d0a88127da4133c1da

  • SHA256

    746d8f96f8153a4e45bb998ec885c82ffa1b4aaa18eb1381db2a2ed851e876cc

  • SHA512

    312ef962115a65a13459702995c6b71363238658a4fe2bbf1075bc5333aff03eafdae83999a6789cff9ee1c3a0bcdcea1c37ad18629a60eef2ce21587440afcc

  • SSDEEP

    6144:uuaqLk33bS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9v:y33QtqB5urTIoYWBQk1E+VF9mOx9Vi

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.lucd.ru
  • Port:
    21
  • Username:
    emma2221@lucd.ru
  • Password:
    doll@@2020

Signatures

  • HawkEye

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

  • 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
  • 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 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\746d8f96f8153a4e45bb998ec.exe
    "C:\Users\Admin\AppData\Local\Temp\746d8f96f8153a4e45bb998ec.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2552
    • 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:4656
    • 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:5016

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

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/2552-144-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

  • memory/2552-136-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

  • memory/2552-133-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

  • memory/2552-145-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

  • memory/4656-141-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4656-143-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4656-142-0x0000000000420000-0x00000000004E9000-memory.dmp
    Filesize

    804KB

  • memory/4656-139-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/5016-146-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/5016-148-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/5016-152-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/5016-156-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB