Analysis

  • max time kernel
    133s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 10:31

General

  • Target

    JaffaCakes118_c5f8ce52c807ce7cc7dd58448cef29e5.exe

  • Size

    613KB

  • MD5

    c5f8ce52c807ce7cc7dd58448cef29e5

  • SHA1

    d8e532e8e0b9f3c74a8797a766bc0ad561cf8b34

  • SHA256

    995187d39870e334e735b10b112e044f8e82227b6cb901e5f1e95a8d1d135f3e

  • SHA512

    e307374ebfedee3fa82f2e33add316b97d6825161cd31c2f6ae3a217d09f1b07136fda95672b30d659ccefdaf24a820eeb9a0d67e7031aadcb10abec3ded721d

  • SSDEEP

    12288:3KpT0+zVTbd/MADksy09D1SBtQpFvkNgNCc:3Kh0+tNby0xYBt0k6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp-mail.outlook.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chinest123

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c5f8ce52c807ce7cc7dd58448cef29e5.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c5f8ce52c807ce7cc7dd58448cef29e5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vIpRlPRUzyJd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22B6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3628
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c5f8ce52c807ce7cc7dd58448cef29e5.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c5f8ce52c807ce7cc7dd58448cef29e5.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_c5f8ce52c807ce7cc7dd58448cef29e5.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1936-29-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-28-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-27-0x0000000006180000-0x00000000061D0000-memory.dmp

    Filesize

    320KB

  • memory/1936-25-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-24-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-23-0x0000000005FA0000-0x0000000006006000-memory.dmp

    Filesize

    408KB

  • memory/1936-22-0x0000000005330000-0x0000000005348000-memory.dmp

    Filesize

    96KB

  • memory/1936-21-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1936-19-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-5-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-20-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-10-0x0000000006C00000-0x0000000006C60000-memory.dmp

    Filesize

    384KB

  • memory/4660-9-0x0000000006AB0000-0x0000000006B4C000-memory.dmp

    Filesize

    624KB

  • memory/4660-8-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-7-0x000000007483E000-0x000000007483F000-memory.dmp

    Filesize

    4KB

  • memory/4660-6-0x0000000005720000-0x000000000572A000-memory.dmp

    Filesize

    40KB

  • memory/4660-0-0x000000007483E000-0x000000007483F000-memory.dmp

    Filesize

    4KB

  • memory/4660-4-0x00000000050E0000-0x00000000050EA000-memory.dmp

    Filesize

    40KB

  • memory/4660-3-0x0000000005180000-0x0000000005212000-memory.dmp

    Filesize

    584KB

  • memory/4660-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

    Filesize

    5.6MB

  • memory/4660-1-0x00000000007C0000-0x000000000085E000-memory.dmp

    Filesize

    632KB