Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 08:35

General

  • Target

    97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    97a3d8e5095f6a3498a52acd81e3d97c

  • SHA1

    71b3a0453e43eda875d0b1d82ad70657d6e98a47

  • SHA256

    7ef3e8ca1abdcae5850f5b4e821a677ff9f49fcc2719745dc16ed26454442870

  • SHA512

    980fcbf80ad28cbc179cb754dff9e3e3884a7e3b0846471b91f1beebea8c3db7d5ae51c27ad2c00cc3a8f8eeb790342e12efdee6a1c91b13faea1d23bb88dcda

  • SSDEEP

    12288:eKbl0PnKARVcLuENhwh1QsAjy11WZUfy07rTpGRO2uUWMky:eCUNcSEohusoyWZUz7rTpcO2z

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    myrecords1248

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 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:388
      • 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:2296
      • 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:4268

Network

MITRE ATT&CK Enterprise v15

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/388-22-0x00000000091A0000-0x00000000091A8000-memory.dmp

    Filesize

    32KB

  • memory/388-11-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/388-14-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/388-40-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/388-15-0x0000000005A80000-0x0000000005AD6000-memory.dmp

    Filesize

    344KB

  • memory/388-16-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/388-19-0x0000000008CA0000-0x0000000008D06000-memory.dmp

    Filesize

    408KB

  • memory/388-41-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-1-0x0000000000C00000-0x0000000000D78000-memory.dmp

    Filesize

    1.5MB

  • memory/1872-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/1872-9-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/1872-13-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-8-0x000000000ACC0000-0x000000000ACCA000-memory.dmp

    Filesize

    40KB

  • memory/1872-2-0x0000000005EE0000-0x0000000006484000-memory.dmp

    Filesize

    5.6MB

  • memory/1872-3-0x00000000057E0000-0x0000000005872000-memory.dmp

    Filesize

    584KB

  • memory/1872-7-0x000000000ACF0000-0x000000000AD8C000-memory.dmp

    Filesize

    624KB

  • memory/1872-4-0x0000000005740000-0x000000000575A000-memory.dmp

    Filesize

    104KB

  • memory/1872-10-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-6-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-5-0x0000000003020000-0x0000000003026000-memory.dmp

    Filesize

    24KB

  • memory/2296-26-0x0000000000420000-0x00000000004E9000-memory.dmp

    Filesize

    804KB

  • memory/2296-25-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2296-23-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2296-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4268-29-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4268-32-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4268-31-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4268-39-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB