Resubmissions

21-05-2024 12:47

240521-p1bncsed5y 10

21-05-2024 05:07

240521-fr5qeaaa87 10

Analysis

  • max time kernel
    136s
  • 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
    21-05-2024 05:07

General

  • Target

    6220dbc17e6c4579e23a93c103344d04_JaffaCakes118.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 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 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\6220dbc17e6c4579e23a93c103344d04_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6220dbc17e6c4579e23a93c103344d04_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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:4316
      • 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:1036
      • 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:4048

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/1036-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1036-26-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1036-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2280-6-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2280-11-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2280-0-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2280-7-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2280-8-0x0000000006940000-0x00000000069DC000-memory.dmp

    Filesize

    624KB

  • memory/2280-4-0x0000000005A20000-0x0000000005AB2000-memory.dmp

    Filesize

    584KB

  • memory/2280-5-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2280-3-0x00000000060F0000-0x0000000006694000-memory.dmp

    Filesize

    5.6MB

  • memory/2280-1-0x0000000000EA0000-0x0000000000FA6000-memory.dmp

    Filesize

    1.0MB

  • memory/2280-2-0x00000000058B0000-0x00000000058D8000-memory.dmp

    Filesize

    160KB

  • memory/4048-30-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4048-28-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4048-31-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4048-39-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4316-12-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-21-0x0000000008530000-0x0000000008538000-memory.dmp

    Filesize

    32KB

  • memory/4316-18-0x0000000008030000-0x0000000008096000-memory.dmp

    Filesize

    408KB

  • memory/4316-15-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-14-0x0000000004CD0000-0x0000000004D26000-memory.dmp

    Filesize

    344KB

  • memory/4316-13-0x0000000004A60000-0x0000000004A6A000-memory.dmp

    Filesize

    40KB

  • memory/4316-9-0x0000000000420000-0x00000000004A4000-memory.dmp

    Filesize

    528KB

  • memory/4316-40-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-41-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB