Analysis

  • max time kernel
    134s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 18:53

General

  • Target

    c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe

  • Size

    546KB

  • MD5

    10c7a3129013b5cf9b6568239efb68a6

  • SHA1

    966797bab8af96e91601225a76cdd9ef86af6524

  • SHA256

    c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269

  • SHA512

    080d9a26b6e6eb95fa52cde6bac8e52cb865956ee5068b253a2d6dea2d982048e432d38598f0e6093d617271f775c8f2a694df685c9f2b6ef7031d086d159e9c

  • SSDEEP

    12288:uR4JIfBsDKnR83RP9E1W0TsNJC0+VcdmzkjRQetj+WgaJ8:uR4JHDxE1WesNJC0+VcdmzkjRNl+W

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    kevinstewartmail@gmail.com
  • Password:
    idrisbaba1

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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe
    "C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe
      "C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1620
      • 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:2888
      • 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:720

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/720-144-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/720-149-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/720-147-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/720-146-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/720-143-0x0000000000000000-mapping.dmp
  • memory/1620-133-0x0000000000000000-mapping.dmp
  • memory/1620-135-0x0000000075320000-0x00000000758D1000-memory.dmp
    Filesize

    5.7MB

  • memory/1620-142-0x0000000075320000-0x00000000758D1000-memory.dmp
    Filesize

    5.7MB

  • memory/2604-136-0x0000000075320000-0x00000000758D1000-memory.dmp
    Filesize

    5.7MB

  • memory/2604-132-0x0000000075320000-0x00000000758D1000-memory.dmp
    Filesize

    5.7MB

  • memory/2888-141-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2888-140-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2888-138-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2888-137-0x0000000000000000-mapping.dmp