Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-01-2025 02:28

General

  • Target

    JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe

  • Size

    547KB

  • MD5

    09302865445ef9634914a8bda1f57d4e

  • SHA1

    c05200f1af1d7fb18ffd1ce4f04a189050727391

  • SHA256

    2fe23c9a768d9787b9c4020e847350c31938ca5ce7c207f6200a8ea875703e20

  • SHA512

    3e0d8f1be4ab1420a846f9d637f3fbe58543deb7a22f1268216267383252aaa26ab6b6cd702f90496017b36b2d73aea739c4678c780866e057693b13db40154a

  • SSDEEP

    6144:pGxhLFwIjcvKH8mft8KJp7DjwwyTWr8PecTHBkwrc2lg0GuUL0SWKIxbZODNldm:YdXYKLFjJWecTqwIGGuUWKEbZOp

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qC>W#3um

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2264-10-0x0000000007950000-0x00000000079B0000-memory.dmp

    Filesize

    384KB

  • memory/2264-3-0x0000000004B30000-0x0000000004BC2000-memory.dmp

    Filesize

    584KB

  • memory/2264-14-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2264-4-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2264-5-0x0000000004AA0000-0x0000000004AAA000-memory.dmp

    Filesize

    40KB

  • memory/2264-6-0x0000000005030000-0x000000000503E000-memory.dmp

    Filesize

    56KB

  • memory/2264-7-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/2264-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2264-1-0x0000000000070000-0x0000000000100000-memory.dmp

    Filesize

    576KB

  • memory/2264-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/2264-9-0x00000000077F0000-0x000000000788C000-memory.dmp

    Filesize

    624KB

  • memory/2264-2-0x00000000050E0000-0x0000000005684000-memory.dmp

    Filesize

    5.6MB

  • memory/4860-25-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4860-18-0x00000000064F0000-0x0000000006556000-memory.dmp

    Filesize

    408KB

  • memory/4860-17-0x00000000056F0000-0x0000000005708000-memory.dmp

    Filesize

    96KB

  • memory/4860-19-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-20-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-23-0x0000000006B40000-0x0000000006B90000-memory.dmp

    Filesize

    320KB

  • memory/4860-24-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-16-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB