Analysis

  • max time kernel
    131s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 06:22

General

  • Target

    JaffaCakes118_087496eb09efe744abce40d0cd6ddeb6.exe

  • Size

    476KB

  • MD5

    087496eb09efe744abce40d0cd6ddeb6

  • SHA1

    23e516d31e2379fde8fef36db25cc9267343f30a

  • SHA256

    d8c845678c36f965bdb5a99b36e8eb9f92a71b24e5b4d3a73611f0087449313c

  • SHA512

    ee0017f8e503f652779c902a636de2e7ab41dfd83afd37b4663dd2d093ed6e833eb2d3fd1b39c59caa7c8343073d44129ea49f28503552c74c17b4fb4e9f090b

  • SSDEEP

    12288:fGgS6Dg4R80vRL7Q7JpgvQIG1rqiQ4qIZDJMxUB5/xU3pnaOUg7A72A:eIYFrhQR8Mx2pxgpaOZvA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.davaobay.com.ph
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    p@ssw0rd

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • Drops file in Drivers directory 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_087496eb09efe744abce40d0cd6ddeb6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_087496eb09efe744abce40d0cd6ddeb6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_087496eb09efe744abce40d0cd6ddeb6.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_087496eb09efe744abce40d0cd6ddeb6.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1976-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/1976-1-0x0000000000980000-0x0000000000A00000-memory.dmp

    Filesize

    512KB

  • memory/1976-2-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-3-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/1976-4-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/1976-5-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-6-0x0000000004290000-0x00000000042F0000-memory.dmp

    Filesize

    384KB

  • memory/1976-18-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-19-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2504-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-7-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-20-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-21-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-22-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-25-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-26-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB