Analysis

  • max time kernel
    159s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 08:52

General

  • Target

    8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe

  • Size

    774KB

  • MD5

    68a41808ee9c962f1b2ddd6c66bd86f5

  • SHA1

    1f18c2a5bc5f1be2b2857f6b3943a8d3cfb1a28d

  • SHA256

    8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8

  • SHA512

    c04719c25a8f4882ea951ea96af4715e041ebda783a5a833717614a3f3865c51202dda786cb87f7b84d4f834ae6c1ef4619ced72d4c16c5e60d8c51d5c747acd

Malware Config

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\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe
    "C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe
      "C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.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:2264
      • 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:2940
      • 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:3160

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/2016-132-0x0000000074780000-0x0000000074D31000-memory.dmp
    Filesize

    5.7MB

  • memory/2016-133-0x0000000074780000-0x0000000074D31000-memory.dmp
    Filesize

    5.7MB

  • memory/2016-138-0x0000000074780000-0x0000000074D31000-memory.dmp
    Filesize

    5.7MB

  • memory/2264-134-0x0000000000000000-mapping.dmp
  • memory/2264-136-0x0000000074780000-0x0000000074D31000-memory.dmp
    Filesize

    5.7MB

  • memory/2264-137-0x0000000074780000-0x0000000074D31000-memory.dmp
    Filesize

    5.7MB

  • memory/2264-139-0x0000000074780000-0x0000000074D31000-memory.dmp
    Filesize

    5.7MB

  • memory/2940-140-0x0000000000000000-mapping.dmp
  • memory/2940-143-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2940-144-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2940-141-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3160-145-0x0000000000000000-mapping.dmp
  • memory/3160-146-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3160-148-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3160-149-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3160-151-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB