Analysis

  • max time kernel
    140s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:40

General

  • Target

    13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe

  • Size

    449KB

  • MD5

    494cc39f9eeaa66ab2169599de41049c

  • SHA1

    160ff6440e939ae1a7e51a21a19a5fff7e26a26d

  • SHA256

    13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512

  • SHA512

    22e3a2ea2b9b5aa8c8102201ee1e8248cba523fb1cb4a3b3659d2a26f5af9fcf477797af4d50143270b98d43557961c2ba3c285664a974d973e6b170b102f1da

  • SSDEEP

    6144:kYz7/nTM52rAYJILXnbXt5zTDFGPMR3E0CgcbDeP06VGmwvSgFEyBLiUK:/vTMMrqL37t5/oMdKE0xBLiUK

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1234567oko

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
  • 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 5 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\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe
    "C:\Users\Admin\AppData\Local\Temp\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Users\Admin\AppData\Local\Temp\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe
      "C:\Users\Admin\AppData\Local\Temp\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe"
      2⤵
      • 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:1644
      • 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:4376
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4672

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\holdermail.txt
    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/1644-133-0x0000000000000000-mapping.dmp
  • memory/1644-134-0x0000000000400000-0x000000000048A000-memory.dmp
    Filesize

    552KB

  • memory/1644-135-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/1644-142-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/3108-132-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/3108-136-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/4376-141-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4376-140-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4376-138-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4376-137-0x0000000000000000-mapping.dmp
  • memory/4672-143-0x0000000000000000-mapping.dmp
  • memory/4672-144-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4672-146-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4672-147-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4672-149-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB