Analysis

  • max time kernel
    145s
  • max time network
    149s
  • 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 02:51

General

  • Target

    6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe

  • Size

    507KB

  • MD5

    6980980015bf2879806ecb4f6b0283a6

  • SHA1

    3ef57b0a363ef8510fb33f8d5361e227434e2cdc

  • SHA256

    cda2bc8793f428548fdccdc6ddcbb1316cb4c38cedce86269c670b9d8d94c689

  • SHA512

    afec4463cb0ebf77f9b60b222e8f7fa565cc80c0bed75e6184b56ebbde813ac4b9e573aa50235cd33949b3e20684f685cef763a04d1eb1a39bd81abac76c5c41

  • SSDEEP

    12288:g1oaO2uU5JkCtKnPI696f7hGGxp3Lik3Ox3FYGGT:g1oa1JJ4PT6ThGGxpb7OxV

Malware Config

Signatures

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3168
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4892

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3168-0-0x00000000748C2000-0x00000000748C3000-memory.dmp
    Filesize

    4KB

  • memory/3168-1-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB

  • memory/3168-2-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB

  • memory/3168-3-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB

  • memory/3168-4-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB

  • memory/3168-12-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB

  • memory/4892-7-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/4892-6-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/4892-5-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/4892-9-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB

  • memory/4892-10-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB

  • memory/4892-14-0x00000000748C0000-0x0000000074E71000-memory.dmp
    Filesize

    5.7MB