Analysis

  • max time kernel
    142s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 15:27

General

  • Target

    2a9f5b79b166343955c18b39cfbe30f1_JaffaCakes118.exe

  • Size

    1.9MB

  • MD5

    2a9f5b79b166343955c18b39cfbe30f1

  • SHA1

    11040908c5770a7f2f554394343f66a1c6f10d53

  • SHA256

    a9bc02e6bd44e459dc818e10551c0948d49989768daa1c33913247f328f47742

  • SHA512

    57b30683234527d4b5c8aae69b3dbe648f18ea9e32520b54a1005b0eaf925d6cc5bab93980332b6a14b8af42f5e460266445616d03e7b8615931238181dfe3c6

  • SSDEEP

    24576:Lu6J33O0c+JY5UZ+XC0kGso6Fak0KuP5/3sj7Ogd+TBR2EjDUOPNWY:lu0c++OCvkGs9FaHDUOgY

Malware Config

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 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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a9f5b79b166343955c18b39cfbe30f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2a9f5b79b166343955c18b39cfbe30f1_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:372
      • 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:4868
      • 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:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/372-1-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/372-6-0x0000000073A82000-0x0000000073A83000-memory.dmp

    Filesize

    4KB

  • memory/372-8-0x0000000073A80000-0x0000000074031000-memory.dmp

    Filesize

    5.7MB

  • memory/372-7-0x0000000073A80000-0x0000000074031000-memory.dmp

    Filesize

    5.7MB

  • memory/372-9-0x0000000073A80000-0x0000000074031000-memory.dmp

    Filesize

    5.7MB

  • memory/372-34-0x0000000073A80000-0x0000000074031000-memory.dmp

    Filesize

    5.7MB

  • memory/372-33-0x0000000073A82000-0x0000000073A83000-memory.dmp

    Filesize

    4KB

  • memory/1844-0-0x0000000004610000-0x0000000004611000-memory.dmp

    Filesize

    4KB

  • memory/2008-24-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2008-21-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2008-23-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2008-32-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4868-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4868-16-0x0000000000420000-0x00000000004E9000-memory.dmp

    Filesize

    804KB

  • memory/4868-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4868-14-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4868-12-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB