Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 00:28

General

  • Target

    6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    6220dbc17e6c4579e23a93c103344d04

  • SHA1

    78e9640d470745acfb2648d56e35febc30f6e684

  • SHA256

    154c3a1d1e1a4213c0dbd5d4d21f983219626f5ed2eb824f3670394e6555c162

  • SHA512

    5c4fd1ea005b890debb0d5635073a45a5ec2a640a133b53b1dac8c554765b3f96c69fbbae619a6e8c12ee46079895e42b4bf79ec8c4b0f09ee12d377441bc583

  • SSDEEP

    12288:0P+xop6MOkLy2L+J1cvFoTlGlWVp7dBhR82vkLnfOOim:jopEkO2m6vFoTEUi2vk1i

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 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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\6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2376
    • 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:3008
      • 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:244
      • 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:4620

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/244-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/244-33-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/244-30-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/244-29-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2376-8-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

    Filesize

    624KB

  • memory/2376-2-0x0000000004C50000-0x0000000004C78000-memory.dmp

    Filesize

    160KB

  • memory/2376-7-0x0000000074B60000-0x0000000075310000-memory.dmp

    Filesize

    7.7MB

  • memory/2376-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

    Filesize

    4KB

  • memory/2376-1-0x0000000000210000-0x0000000000316000-memory.dmp

    Filesize

    1.0MB

  • memory/2376-15-0x0000000075D40000-0x0000000075D65000-memory.dmp

    Filesize

    148KB

  • memory/2376-14-0x0000000074A90000-0x0000000074B3B000-memory.dmp

    Filesize

    684KB

  • memory/2376-13-0x0000000074B40000-0x0000000074B54000-memory.dmp

    Filesize

    80KB

  • memory/2376-6-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

    Filesize

    4KB

  • memory/2376-12-0x00000000764D0000-0x00000000765F0000-memory.dmp

    Filesize

    1.1MB

  • memory/2376-11-0x0000000074B60000-0x0000000075310000-memory.dmp

    Filesize

    7.7MB

  • memory/2376-3-0x0000000005510000-0x0000000005AB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2376-4-0x0000000004DD0000-0x0000000004E62000-memory.dmp

    Filesize

    584KB

  • memory/2376-5-0x0000000074B60000-0x0000000075310000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-9-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3008-23-0x0000000008350000-0x00000000083B6000-memory.dmp

    Filesize

    408KB

  • memory/3008-20-0x0000000004FD0000-0x0000000005026000-memory.dmp

    Filesize

    344KB

  • memory/3008-19-0x0000000004F60000-0x0000000004F6A000-memory.dmp

    Filesize

    40KB

  • memory/3008-18-0x0000000074B60000-0x0000000075310000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-17-0x0000000074B60000-0x0000000075310000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-26-0x0000000008850000-0x0000000008858000-memory.dmp

    Filesize

    32KB

  • memory/3008-47-0x0000000074B60000-0x0000000075310000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-46-0x0000000074B60000-0x0000000075310000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-34-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4620-37-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4620-42-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/4620-45-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4620-36-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB